Abdelazeem, B., Awad, A.K., Elbadawy, M.A., Manasrah, N., Malik, B., Yousaf, A., Alqasem, S., Banour, S. and Abdelmohsen, S.M., 2022. The effects of curcumin as dietary supplement for patients with COVID-19: A systematic review of randomized clinical trials. Drug Discoveries & Therapeutics, 16(1), pp.14-22.

Abioye, A.I., Bromage, S. and Fawzi, W., 2021. Effect of micronutrient supplements on influenza and other respiratory tract infections among adults: a systematic review and meta-analysis. BMJ global health, 6(1), p.e003176.

Ahmed, Ishtiaq et al. “Effect of pulmonary rehabilitation approaches on dyspnea, exercise capacity, fatigue, lung functions and quality of life in patients with COVID-19: A Systematic Review and Meta-Analysis.” Archives of physical medicine and rehabilitation, S0003-9993(22)00512-3. 28 Jul. 2022, doi:10.1016/j.apmr.2022.06.007

Aldhafiri, F.K., 2022. Dietary Supplements and Nutraceuticals in the recovery of COVID-19; A systematic review and Meta analysis. Nutrition Clinique et Métabolisme.

Ali, A.M. and Kunugi, H., 2021. Propolis, bee honey, and their components protect against coronavirus disease 2019 (Covid-19): A review of in silico, in vitro, and clinical studies. Molecules, 26(5), p.1232.

Alvares, M.A., Ribas, B.H.B., Miranda, G.B.D., Miranda, R.B.D., Natário, E.M.C.G., D’Angelo, I.S. and Rullo, V.E.V., 2022. Clinical prognosis of coronavirus disease 2019 in children and vitamin D levels: a systematic review. Revista da Associação Médica Brasileira, 68, pp.712-715.

Amaral-Machado, L., Oliveira, W.N., Rodrigues, V.M., Albuquerque, N.A., Alencar, É.N. and Egito, E.S., 2021. Could natural products modulate early inflammatory responses, preventing acute respiratory distress syndrome in COVID-19-confirmed patients?. Biomedicine & Pharmacotherapy, 134, p.111143.

Ang, L., Song, E., Hu, X.Y., Lee, H.W., Chen, Y. and Lee, M.S., 2022. Herbal Medicine Intervention for the Treatment of COVID-19: A Living Systematic Review and Cumulative Meta-Analysis. Frontiers in pharmacology, 13.

Ang, L., Song, E., Lee, H.W. and Lee, M.S., 2020. Herbal medicine for the treatment of coronavirus disease 2019 (COVID-19): a systematic review and meta-analysis of randomized controlled trials. Journal of Clinical Medicine, 9(5), p.1583.

Ao, G., Li, J., Yuan, Y., Wang, Y., Nasr, B., Bao, M., Gao, M. and Qi, X., 2022. Intravenous vitamin C use and risk of severity and mortality in COVID‐19: A systematic review and meta‐analysis. Nutrition in Clinical Practice.

Arentz, S., Hunter, J., Khamba, B., Mravunac, M., Lee, Z., Alexander, K., Lauche, R., Goldenberg, J. and Myers, S.P., 2021. Honeybee products for the treatment and recovery from viral respiratory infections including SARS-COV-2: A rapid systematic review. Integrative medicine research, 10, p.100779.

Argano, Christiano, Raffaella Mallaci Bocchio, Marika Lo Monaco, Salvatore Scibetta, Giuseppe Natoli, Attilio Cavezzi, Emidio Troiani, and Salvatore Corrao. “An Overview of Systematic Reviews of the Role of Vitamin D on Inflammation in Patients with Diabetes and the Potentiality of Its Application on Diabetic Patients with COVID-19.” International Journal of Molecular Sciences 23, no. 5 (2022): 2873.

Aucoin, M., Cardozo, V., McLaren, M.D., Garber, A., Remy, D., Baker, J., Gratton, A., Kala, M.A., Monteiro, S., Warder, C. and Perciballi, A., 2021. A systematic review on the effects of Echinacea supplementation on cytokine levels: Is there a role in COVID-19?. Metabolism open, 11, p.100115.

Avan, R., Mazidimoradi, A. and Salehiniya, H., 2022. Effect of magnesium on severity and mortality of COVID–19 patients: A systematic review. Journal of Acute Disease, 11(4), p.120.

Ayosanmi, O.S., Alli, B.Y., Akingbule, O.A., Alaga, A.H., Perepelkin, J., Marjorie, D., Sansgiry, S.S. and Taylor, J., 2022. Prevalence and Correlates of Self-Medication Practices for Prevention and Treatment of COVID-19: A Systematic Review. Antibiotics, 11(6), p.808.

Badakhsh, M., Dastras, M., Sarchahi, Z., Doostkami, M., Mir, A. and Bouya, S., 2021. Complementary and alternative medicine therapies and COVID-19: a systematic review. Reviews on environmental health.

Baladia, E., Pizarro, A.B., Ortiz-Muñoz, L., Rada, G. and COVID-19 L· OVE Working Group, 2020. Vitamin C for COVID-19: A living systematic review. Medwave, 20(6).

Balboni, E., Zagnoli, F., Filippini, T., Fairweather-Tait, S.J. and Vinceti, M., 2022. Zinc and selenium supplementation in COVID-19 prevention and treatment: a systematic review of the experimental studies. Journal of Trace Elements in Medicine and Biology, p.126956.

Bania, A., Pitsikakis, K., Mavrovounis, G., Mermiri, M., Beltsios, E.T., Adamou, A., Konstantaki, V., Makris, D., Tsolaki, V., Gourgoulianis, K. and Pantazopoulos, I., 2022. Therapeutic Vitamin D Supplementation Following COVID-19 Diagnosis: Where Do We Stand?—A Systematic Review. Journal of personalized medicine, 12(3), p.419.

Batista, K.S., de Albuquerque, J.G., de Vasconcelos, M.H.A., Bezerra, M.L.R., da Silva Barbalho, M.B., Pinheiro, R.O. and de Souza Aquino, J., 2021. Probiotics and prebiotics: potential prevention and therapeutic target for nutritional management of COVID-19?. Nutrition research reviews, pp.1-18.

Beran, A., Mhanna, M., Srour, O., Ayesh, H., Stewart, J.M., Hjouj, M., Khokher, W., Mhanna, A.S., Ghazaleh, D., Khader, Y. and Sayeh, W., 2022. Clinical significance of micronutrient supplements in patients with coronavirus disease 2019: A comprehensive systematic review and meta-analysis. Clinical Nutrition ESPEN.

Beressa, T.B., Deyno, S., Mtewa, A.G., Aidah, N., Tuyiringire, N., Lukubye, B., Weisheit, A., Tolo, C.U. and Ogwang, P.E., 2021. Potential Benefits of Antiviral African Medicinal Plants in the Management of Viral Infections: Systematic Review. Frontiers in pharmacology, p.3812.

Boet, S., Etherington, C., Ghanmi, N., Ioudovski, P., Tricco, A.C., Sikora, L. and Katznelson, R., 2022. Efficacy and safety of hyperbaric oxygen treatment to treat COVID-19 pneumonia: a living systematic review update. Diving and Hyperbaric Medicine, 52(2), pp.126-135.

Budi, D.S., Rofananda, I.F., Pratama, N.R., Sutanto, H., Hariftyani, A.S., Desita, S.R., Rahmasari, A.Z., Asmarawati, T.P., Waskito, L.A. and Wungu, C.D.K., 2022. Ozone as an adjuvant therapy for COVID-19: A systematic review and meta-analysis. International Immunopharmacology, p.109014.

Cara, K.C., Beauchesne, A.R., Li, R. and Chung, M., 2022. Cochrane Review Summary on “Vitamin D Supplementation for the Treatment of COVID‐19: A Living Systematic Review”. Journal of Dietary Supplements, 19(1), pp.143-145.

Chien, T., Liu, C., Chang, Y., Fang, C., Pai, J., Wu, Y. and Chen, S., 2022. Therapeutic effects of herbal-medicine combined therapy for COVID-19: A systematic review and meta-analysis of randomized controlled trials. Frontiers in pharmacology, 13.

Chun, H.S., Choi, S.H. and Song, H.S., 2021. A Meta-Analysis of Treatment Effects on Viral Pneumonia Using TCM Injections Specified in the Clinical Guideline for COVID-19 in China. Journal of Pharmacopuncture, 24(3), p.107.

Corrao, Salvatore, Raffaella Mallaci Bocchio, Marika Lo Monaco, Giuseppe Natoli, Attilio Cavezzi, Emidio Troiani, and Christiano Argano. “Does evidence exist to blunt inflammatory response by nutraceutical supplementation during COVID-19 pandemic? An overview of systematic reviews of Vitamin D, Vitamin C, Melatonin, and Zinc.” Nutrients 13, no. 4 (2021): 1261.

D’Ecclesiis, O., Gavioli, C., Martinoli, C., Raimondi, S., Chiocca, S., Miccolo, C., Bossi, P., Cortinovis, D., Chiaradonna, F., Palorini, R. and Faciotti, F., 2022. Vitamin D and SARS-CoV2 infection, severity and mortality: A systematic review and meta-analysis. PloS one, 17(7), p.e0268396.

da Rocha AP, Atallah AN, Aldrighi JM, Pires ALR, Dos Santos Puga ME, Pinto ACPN. Insufficient evidence for vitamin D use in COVID-19: A rapid systematic review. Int J Clin Pract. 2021 Nov;75(11):e14649. doi: 10.1111/ijcp.14649. Epub 2021 Aug 18. PMID: 34310814; PMCID: PMC8420259.

Dash, M.K., Joshi, N. and Tripathi, Y.B., 2020. Identification of therapeutic targets for controlling COVID-19 pandemic by traditional system of Ayurvedic medicines: A systematic review.

Dilokthornsakul, W., Kosiyaporn, R., Wuttipongwaragon, R. and Dilokthornsakul, P., 2022. Potential effects of propolis and honey in COVID-19 prevention and treatment: A systematic review of in silico and clinical studies. Journal of integrative medicine.

Du, X.Q., Shi, L.P., Cao, W.F., Chen, Z.W., Zuo, B. and Hu, J.Y., 2021. Add-On Effect of Honeysuckle in the Treatment of Coronavirus Disease 2019: A Systematic Review and Meta-Analysis. Frontiers in pharmacology, 12.

Ebenezer, O., Bodede, O., Awolade, P., Jordaan, M.A., Ogunsakin, R.E. and Shapi, M., 2022. Medicinal plants with anti-SARS-CoV activity repurposing for treatment of COVID-19 infection: A systematic review and meta-analysis. Acta Pharmaceutica, 72(2), pp.199-224.

El Zakhem, A., Chalhoub, M.A. and Bassil, M., 2021. The Role of Herbal and Nutritional Treatments in the Fight against COVID-19 and Other Respiratory Tract Infections. International Journal of Environmental Research and Public Health, 18(22), p.12001.

Fan, A.Y., Gu, S. and Alemi, S.F., 2020. Chinese herbal medicine for COVID-19: current evidence with systematic review and meta-analysis. Journal of integrative medicine, 18(5), pp.385-394.

Fan, Z., Guo, G., Che, X., Yang, Y., Liu, Y., Li, L., Chang, X., Han, L., Cai, X. and Tang, H., 2021. Efficacy and safety of Lianhuaqingwen for mild or moderate coronavirus disease 2019: A meta-analysis of randomized controlled trials. Medicine, 100(21).

Faridzadeh, A., Tabashiri, A., Miri, H.H. and Mahmoudi, M., 2022. The role of melatonin as an adjuvant in the treatment of COVID-19: A systematic review. Heliyon, p.e10906.

Farsi, Y., Tahvildari, A., Arbabi, M., Vazife, F., Sechi, L.A., Shahidi Bonjar, A.H., Jamshidi, P., Nasiri, M.J. and Mirsaeidi, M., 2022. Diagnostic, Prognostic, and Therapeutic Roles of Gut Microbiota in COVID-19: A Comprehensive Systematic Review. Frontiers in Cellular and Infection Microbiology, p.182.

Feng, Z., Yang, J., Xu, M., Lin, R., Yang, H., Lai, L., Wang, Y., Wahner-Roedler, D.L., Zhou, X., Shin, K.M. and Salinas, M., 2021. Dietary supplements and herbal medicine for COVID-19: A systematic review of randomized control trials. Clinical Nutrition ESPEN, 44, pp.50-60.

Foshati, S., Mirjalili, F., Rezazadegan, M., Fakoorziba, F. and Amani, R., 2022. Antioxidants and clinical outcomes of patients with coronavirus disease 2019: A systematic review of observational and interventional studies. Food Science & Nutrition.

Gandhi, G., Thimmappa, L., Upadhya, N. and Carnelio, S., 2022. Could mouth rinses be an adjuvant in the treatment of SARS‐CoV‐2 patients? An appraisal with a systematic review. International journal of dental hygiene, 20(1), pp.136-144.

Gavrielatou, E., Xourgia, E., Xixi, N.A., Mantelou, A.G., Ischaki, E., Kanavou, A., Zervakis, D., Routsi, C., Kotanidou, A. and Siempos, I.I., 2022. Effect of Vitamin C on Clinical Outcomes of Critically Ill Patients With COVID-19: An Observational Study and Subsequent Meta-Analysis. Frontiers in Medicine, 9.

Gosik, M.S., Mendes, M.F.X., da Silva Barbas, D., do Cabo, D.J.V., Strastis, H., Takeuti, I.S.D., dos Santos Mourão, L.C., Delavechia, M.L., da Cunha, M.X., Kalile, R.B. and Lino, R.R.G., 2021. Medicines for the new coronavirus in the view of Classical Systemic Homeopathy. Complementary therapies in clinical practice, 45, p.101482.

Guo, J., Qin, Z., Lau, N.C., Fong, T.L., Meng, W., Zhang, Z.J., Luo, Y., Wong, V.C.W.T., Feng, Y. and Chen, H., 2021. Chinese Medicine for Coronavirus Disease 2019 (COVID-19): A GRADE-Assessed Systematic Review and Meta-Analysis. The American journal of Chinese medicine, pp.1-31.

Halabchi, F., Selk-Ghaffari, M., Tazesh, B. and Mahdaviani, B., 2022. The effect of exercise rehabilitation on COVID-19 outcomes: a systematic review of observational and intervention studies. Sport Sciences for Health, pp.1-19.

Hariyanto, T.I., Intan, D., Hananto, J.E., Harapan, H. and Kurniawan, A., 2022. Vitamin D supplementation and Covid‐19 outcomes: a systematic review, meta‐analysis and meta‐regression. Reviews in Medical Virology, 32(2), p.e2269.

Her, L., Kanjanasilp, J., Chaiyakunapruk, N. and Sawangjit, R., 2022. Efficacy and Safety of Eucalyptus for Relieving Cough: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Journal of Integrative and Complementary Medicine, 28(3), pp.218-226.

Her, L., Kanjanasilp, J., Chaiyakunapruk, N. and Sawangjit, R., 2022. Efficacy and Safety of Eucalyptus for Relieving Cough: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Journal of Integrative and Complementary Medicine.

Hosseini, B., El Abd, A. and Ducharme, F.M., 2022. Effects of Vitamin D Supplementation on COVID-19 Related Outcomes: A Systematic Review and Meta-Analysis. Nutrients, 14(10), p.2134.

Huang, L., Wang, L., Tan, J., Liu, H. and Ni, Y., 2021. High-dose vitamin C intravenous infusion in the treatment of patients with COVID-19: a protocol for systematic review and meta-analysis. Medicine, 100(19).

Isidoro, C., Chang, A.C.F. and Sheen, L.Y., 2022. Natural products as a source of novel drugs for treating SARS-CoV2 infection. Journal of traditional and complementary medicine.

Javed, D., Dixit, A.K., Mukherjee, S., Anwar, S. and Giri, N., 2022. Ayurveda, Unani, Siddha, and Homoeopathy Medicines as an Adjuvant in the Treatment of COVID‑19: A Systematic Review and Meta‑analysis of Randomized Controlled Trials. Journal of Primary Care Specialties¦ Volume XX¦ Issue XX¦ Month, p.2.

Jayawardena, R., Sooriyaarachchi, P., Chourdakis, M., Jeewandara, C. and Ranasinghe, P., 2020. Enhancing immunity in viral infections, with special emphasis on COVID-19: A review. Diabetes & Metabolic Syndrome: Clinical Research & Reviews, 14(4), pp.367-382.

Jeon, S.R., Kang, J.W., Ang, L., Lee, H.W., Lee, M.S. and Kim, T.H., 2022. Complementary and alternative medicine (CAM) interventions for COVID-19: An overview of systematic reviews. Integrative Medicine Research, p.100842.

Jiang, Fei, Nana Xu, Yanxi Zhou, Jinxing Song, Jinjuan Liu, Hong Zhu, Jihong Jiang, Yonghong Xu, and Rongpeng Li. “Contribution of traditional Chinese medicine combined with conventional western medicine treatment for the novel coronavirus disease (COVID‐19), current evidence with systematic review and meta‐analysis.” Phytotherapy Research 35, no. 11 (2021): 5992-6009.

Jovic, T.H., Ali, S.R., Ibrahim, N., Jessop, Z.M., Tarassoli, S.P., Dobbs, T.D., Holford, P., Thornton, C.A. and Whitaker, I.S., 2020. Could vitamins help in the fight against COVID-19?. Nutrients, 12(9), p.2550.

Kang, X., Jin, D., Jiang, L., Zhang, Y., Zhang, Y., An, X., Duan, L., Yang, C., Zhou, R., Duan, Y. and Sun, Y., 2022. Efficacy and mechanisms of traditional Chinese medicine for COVID-19: a systematic review. Chinese medicine, 17(1), pp.1-13.

Kaul, R., Paul, P., Kumar, S., Büsselberg, D., Dwivedi, V.D. and Chaari, A., 2021. Promising antiviral activities of natural flavonoids against SARS-CoV-2 targets: systematic review. International journal of molecular sciences, 22(20), p.11069.

Kaur, M., Soni, K.D. and Trikha, A., 2022. Does Vitamin D Improve All-cause Mortality in Critically Ill Adults? An Updated Systematic Review and Meta-analysis of Randomized Controlled Trials. Indian Journal of Critical Care Medicine, 26(7), pp.853-862.

Kesheh, M.M., Shavandi, S., Haeri Moghaddam, N., Ramezani, M. and Ramezani, F., 2022. Effect of herbal compounds on coronavirus; a systematic review and meta-analysis. Virology Journal, 19(1), pp.1-17.

Keya, T.A., Leela, A., Fernandez, K., Habib, N. and Rashid, M., 2022. Effect of Vitamin C Supplements on Respiratory Tract Infections: A Systematic Review and Meta-Analysis. Current Reviews in Clinical and Experimental Pharmacology Formerly Current Clinical Pharmacology, 17(3), pp.205-215.

Khan, S., Zaidi, S.A., Arsh, A. and Haleem, M.H., 2022. Pulmonary physical therapy techniques for the management of COVID-19 patients: a systematic review. Journal of the Pakistan Medical Association.

Khuntia, B.K., Sharma, V., Wadhawan, M., Chhabra, V., Kidambi, B., Rathore, S., Agrawal, A., Ram, A., Qazi, S., Ahmad, S. and Raza, K., 2022. Antiviral Potential of Indian Medicinal Plants Against Influenza and SARS-CoV: A Systematic Review. Natural Product Communications, 17(3), p.1934578X221086988.

Kim, T.H., Kang, J.W., Jeon, S.R., Ang, L., Lee, H.W. and Lee, M.S., 2022. Use of Traditional, Complementary and Integrative Medicine During the COVID-19 Pandemic: A Systematic Review and Meta-Analysis. Frontiers in medicine, 9.

Kow, C.S., Ramachandram, D.S. and Hasan, S.S., 2022. The effect of curcumin on the risk of mortality in patients with COVID‐19: A systematic review and meta‐analysis of randomized trials. Phytotherapy Research.

Kow, C.S., Ramachandram, D.S. and Hasan, S.S., 2022. The effect of curcumin on the risk of mortality in patients with COVID-19: A systematic review and meta-analysis of randomized trials. Phytotherapy Research: PTR.

Kumar, A., Rai, A., Khan, M.S., Kumar, A., Haque, Z., Fazil, M. and Rabbani, G., 2022. Role of herbal medicines in the management of patients with COVID-19: A systematic review and meta-analysis of randomized controlled trials. Journal of traditional and complementary medicine.

Kwak, S.G., Choo, Y.J. and Chang, M.C., 2021. The effectiveness of high-dose intravenous vitamin C for patients with coronavirus disease 2019: A systematic review and meta-analysis. Complementary therapies in medicine, p.102797.

Lan, S.H., Lee, H.Z., Chao, C.M., Chang, S.P., Lu, L.C. and Lai, C.C., 2022. Efficacy of Melatonin in the Treatment of Patients With COVID-19: A Systematic Review and Meta‐Analysis of Randomized Controlled Trials. Journal of medical virology.

Lem, F.F., Opook, F., Lee, D.J.H., Chee, F.T., Lawson, F.P. and Chin, S.N., 2021. Molecular mechanism of action of repurposed drugs and traditional Chinese medicine used for the treatment of patients infected with COVID-19: a systematic scoping review. Frontiers in pharmacology, 11, p.2413.

Li, F., Jiang, Y., Yue, B. and Luan, L., 2021. Use of traditional Chinese medicine as an adjunctive treatment for COVID-19: A systematic review and meta-analysis. Medicine, 100(30).

Li, L., Xie, H., Wang, L., Zhang, A., Mou, X., Lin, Y., Ma, H., Wang, Y., Li, J., Gao, J. and Wang, C.C., 2022. The efficacy and safety of combined chinese herbal medicine and western medicine therapy for COVID-19: a systematic review and meta-analysis. Chinese medicine, 17(1), pp.1-37

Li, M., Zhu, H., Liu, Y., Lu, Y., Sun, M., Zhang, Y., Shi, J., Shi, N., Li, L., Yang, K. and Sun, X., 2022. Role of Traditional Chinese Medicine in Treating Severe or Critical COVID-19: A Systematic Review of Randomized Controlled Trials and Observational Studies. Frontiers in pharmacology, 13.

Li, Ruoxi et al. “Vitamin A in children’s pneumonia for a COVID-19 perspective: A systematic review and meta-analysis of 15 trials.” Medicine vol. 101,42 (2022): e31289. doi:10.1097/MD.0000000000031289

Li, Y.X., Li, J., Zhang, Y., Tian, Y.P., Zhang, Y.G., Jin, R.J., Guo, Y. and Clarke, M., 2020. Clinical practice guidelines and experts’ consensuses for treatment of coronavirus disease 2019 (COVID-19) patients with Chinese herbal medicine: a systematic review. Chinese journal of integrative medicine, 26(10), pp.786-793.

Liang, S.B., Fang, M., Liang, C.H., Lan, H.D., Shen, C., Yan, L.J., Hu, X.Y., Han, M., Robinson, N. and Liu, J.P., 2021. Therapeutic effects and safety of oral Chinese patent medicine for COVID-19: A rapid systematic review and meta-analysis of randomized controlled trials. Complementary therapies in medicine, 60, p.102744.

Liu, M., Gao, Y., Yuan, Y., Yang, K., Shi, S., Tian, J. and Zhang, J., 2021. Efficacy and safety of herbal medicine (Lianhuaqingwen) for treating COVID-19: a systematic review and meta-analysis. Integrative medicine research, 10(1), p.100644.

Luo, X., Ni, X., Lin, J., Zhang, Y., Wu, L., Huang, D., Liu, Y., Guo, J., Wen, W., Cai, Y. and Chen, Y., 2021. The add-on effect of Chinese herbal medicine on COVID-19: a systematic review and meta-analysis. Phytomedicine, 85, p.153282.

Luo, X., Zhang, Y., Li, H., Ren, M., Liu, Y., Kuang, Z., Cai, Y., Chen, Y. and Ni, X., 2022. Clinical Evidence on the Use of Chinese Herbal Medicine for Acute Infectious Diseases: An Overview of Systematic Reviews. Frontiers in pharmacology, 13, pp.752978-752978.

Maideen, N.M.P., 2020. Prophetic medicine-Nigella Sativa (Black cumin seeds)–potential herb for COVID-19?. Journal of pharmacopuncture, 23(2), p.62.

Mani, J.S., Johnson, J.B., Steel, J.C., Broszczak, D.A., Neilsen, P.M., Walsh, K.B. and Naiker, M., 2020. Natural product-derived phytochemicals as potential agents against coronaviruses: A review. Virus research, 284, p.197989.

Marmitt, D.J., Goettert, M.I. and Rempel, C., 2021. Compounds of plants with activity against SARS-CoV-2 targets. Expert review of clinical pharmacology, 14(5), pp.623-633.

Mehraeen, E., Najafi, Z., Hayati, B., Javaherian, M., Rahimi, S., Dadras, O., SeyedAlinaghi, S., Ghadimi, M. and Sabatier, J.M., 2022. Current treatments and therapeutic options for COVID-19 patients: a systematic review. Infectious Disorders-Drug Targets (Formerly Current Drug Targets-Infectious Disorders), 22(1), pp.62-73.

Migliorini F, Vaishya R, Eschweiler J, Oliva F, Hildebrand F, Maffulli N. Vitamins C and D and COVID-19 Susceptibility, Severity and Progression: An Evidence Based Systematic Review. Medicina. 2022 Jul 15;58(7):941.

Nahak, M.P.M., Putri, S.I., Rofiq, Z., Purwanti, W.P., Yunita, A., Duarsa, A.B.S., Fajriah, A.S., Widiyanto, A.A. and Atmojo, J.T., 2022. PENGGUNAAN HERBAL DALAM MENGHADAPI PANDEMI COVID-19: A SYSTEMATIC REVIEW. Avicenna: Journal of Health Research, 5(1).

Namiranian, P., Sadatpour, O., Jamalkandi, S.A., Ayati, M.H. and Karimi, M., 2022. Antiviral Activity of Medicinal Plants against Human Coronavirus: a systematic scoping review of in vitro and in vivo experimentations. Journal of Traditional Chinese Medicine, 42(3), p.332.

Neris Almeida Viana, S., do Reis Santos Pereira, T., de Carvalho Alves, J., Tianeze de Castro, C., Santana C. da Silva, L., Henrique Sousa Pinheiro, L. and Nougalli Roselino, M., 2022. Benefits of probiotic use on COVID-19: A systematic review and meta-analysis. Critical Reviews in Food Science and Nutrition, pp.1-13.

Olczak-Pruc, M., Swieczkowski, D., Ladny, J.R., Pruc, M., Juarez-Vela, R., Rafique, Z., Peacock, F.W. and Szarpak, L., 2022. Vitamin C Supplementation for the Treatment of COVID-19: A Systematic Review and Meta-Analysis. Nutrients, 14(19), p.4217.

Onyiba, C.I., 2022. A Systematic Review of Garlic and Ginger as Medicinal Spices against Viral Infections. Extensive Reviews, 2(1), pp.32-44.

Pang, W., Liu, Z., Li, N., Li, Y., Yang, F., Pang, B., Jin, X., Zheng, W. and Zhang, J., 2020. Chinese medical drugs for coronavirus disease 2019: a systematic review and meta-analysis. Integrative medicine research, 9(3), p.100477.

Pechlivanidou, E., Vlachakis, D., Tsarouhas, K., Panidis, D., Tsitsimpikou, C., Darviri, C., Kouretas, D. and Bacopoulou, F., 2022. The prognostic role of micronutrient status and supplements in COVID-19 outcomes: A systematic review. Food and Chemical Toxicology, p.112901.

Pertiwi, K.R. and Atun, S., 2022. Potential Indonesian Herbs to Develop a Mix Herbal Immunomodulator Supplement: A Hermeneutic Systematic Review. Journal of Drug and Alcohol Research, 11(1).

Rai, A.K., Ahmed, A., Mundada, P., Jameela, S., Yadav, B., Khanduri, S., Rao, B.C.S. and Srikanth, N., Efficacy and Safety of AYUSH-64 in COVID-19: A Systematic Review and Meta-Analysis.

Rawat, D., Roy, A., Maitra, S., Gulati, A., Khanna, P. and Baidya, D.K., 2021. Vitamin C and COVID-19 treatment: A systematic review and meta-analysis of randomized controlled trials. Diabetes & Metabolic Syndrome: Clinical Research & Reviews, 15(6), p.102324.

Rocco, F., Manuele, B., Michele, M., Michele, B. and Patrizio, B., 2021. The Role Of Probiotics in the Symptomatic Treatment Of Covid-19. Int J Dentistry Oral Sci, 8(5), pp.2423-2426.

Saleh, G., Ahmed, A., Hassanain, O., Emad, A., Essameldin, S., Ragai, M. and Saad, Y., 2022. Nutrition in cancer patients positive for COVID-19; case series and a systematic review of literature. Nutrition and Cancer, 74(2), pp.450-462.

Schrire, Z.M., Phillips, C.L., Chapman, J.L., Duffy, S.L., Wong, G., D’Rozario, A.L., Comas, M., Raisin, I., Saini, B., Gordon, C.J. and McKinnon, A.C., 2021. Safety of higher doses of melatonin in adults: A systematic review and meta‐analysis. Journal of Pineal Research, p.e12782.

SeyedAlinaghi, S., Afzalian, A., Pashaei, Z., Varshochi, S., Karimi, A., Mojdeganlou, H., Mojdeganlou, P., Razi, A., Ghanadinezhad, F., Shojaei, A. and Amiri, A., 2022. Gut microbiota and COVID-19: A systematic review.

Shah, K., Adhikari, C., Sharma, S., Saha, S. and Saxena, D., 2022. Yoga, Meditation, Breathing Exercises, and Inflammatory Biomarkers with Possible Implications in COVID-19: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Evidence-Based Complementary and Alternative Medicine, 2022.

Shi, S., Wang, F., Yao, H., Kou, S., Li, W., Chen, B., Wu, Y., Wang, X., Pei, C., Huang, D. and Wang, Y., 2021. Oral Chinese Herbal Medicine on Immune Responses During Coronavirus Disease 2019: A Systematic Review and Meta-Analysis. Frontiers in medicine, 8.

Shokri-Mashhadi, N., Kazemi, M., Saadat, S. and Moradi, S., 2021. Effects of select dietary supplements on the prevention and treatment of viral respiratory tract infections: a systematic review of randomized controlled trials. Expert review of respiratory medicine, 15(6), pp.805-821.

Singh, R.S., Singh, A., Kaur, H., Batra, G., Sarma, P., Kaur, H., Bhattacharyya, A., Sharma, A.R., Kumar, S., Upadhyay, S. and Tiwari, V., 2021. Promising traditional Indian medicinal plants for the management of novel Coronavirus disease: A systematic review. Phytotherapy Research, 35(8), pp.4456-4484.

Sobrinho, R.C.S., de Meneses, I.R., Alves, B.C., Oliveira, C.F., Carvalho, P., Taranto, A.G., Mano-Sousa, B.J. and Duarte-Almeida, J.M., 2022. Can propolis and their compounds be efficacy in the treatment of coronavirus disease 2019 (COVID-19)? A systematic review. Research, Society and Development, 11(8), pp.e3411830302-e3411830302.

Sokary, S., Ouagueni, A. and Ganji, V., 2022. Intravenous ascorbic acid and lung function in severely ill COVID-19 patients. Metabolites, 12(9), p.865.

Steel, A., Wardle, J., & Lloyd, I. (2020). The potential contribution of traditional, complementary and integrative treatments in acute viral respiratory tract infections: rapid reviews in response to the COVID-19 pandemic. Advances in Integrative Medicine, 7(4), 181.

Stroehlein, J.K., Wallqvist, J., Iannizzi, C., Mikolajewska, A., Metzendorf, M.I., Benstoem, C., Meybohm, P., Becker, M., Skoetz, N., Stegemann, M. and Piechotta, V., 2021. Vitamin D supplementation for the treatment of COVID‐19: a living systematic review. Cochrane Database of Systematic Reviews, (5).

Sun, C.Y., Sun, Y.L. and Li, X.M., 2020. The role of Chinese medicine in COVID-19 pneumonia: a systematic review and meta-analysis. The American Journal of Emergency Medicine, 38(10), pp.2153-2159.

Tasleem A, Wang Y, Li K, Jiang X, Krishnan A, He C, Sun Y, Wu Y, Fan S, Boruff JT, Markham S. Effects of mental health interventions among people hospitalized with COVID-19 infection: A systematic review of randomized controlled trials. General Hospital Psychiatry. 2022 Apr 9.

Tegen, D., Dessie, K. and Damtie, D., 2021. Candidate anti-COVID-19 medicinal plants from Ethiopia: a review of plants traditionally used to treat viral diseases. Evidence-Based Complementary and Alternative Medicine, 2021.

Thakar, A., Panara, K., Goyal, M., Kumari, R. and Sungchol, K., 2022. AYUSH interventions for COVID-19-a living systematic review and meta-analysis [First report].

Umeoguaju, F.U., Ephraim-Emmanuel, B.C., Patrick-Iwuanyanwu, K.C., Zelikoff, J.T. and Orisakwe, O.E., 2021. Plant-derived food grade substances (PDFGS) active against respiratory viruses: A systematic review of non-clinical studies. Frontiers in Nutrition, p.25.

Umeoguaju, F.U., Ephraim-Emmanuel, B.C., Uba, J.O., Bekibele, G.E., Chigozie, N. and Orisakwe, O.E., 2021. Immunomodulatory and Mechanistic Considerations of Hibiscus sabdariffa (HS) in Dysfunctional Immune Responses: A Systematic Review. Frontiers in Immunology, 12.

Vahedian-Azimi, A., Abbasifard, M., Rahimi-Bashar, F., Guest, P.C., Majeed, M., Mohammadi, A., Banach, M., Jamialahmadi, T. and Sahebkar, A., 2022. Effectiveness of Curcumin on Outcomes of Hospitalized COVID-19 Patients: A Systematic Review of Clinical Trials. Nutrients, 14(2), p.256.

Varikasuvu, S.R., Thangappazham, B., Vykunta, A., Duggina, P., Manne, M., Raj, H. and Aloori, S., 2022. COVID-19 and Vitamin D (Co-VIVID Study): a systematic review and meta-analysis of randomized controlled trials. Expert Review of Anti-infective Therapy, (just-accepted).

Varikasuvu, S.R., Thangappazham, B., Vykunta, A., Duggina, P., Manne, M., Raj, H. and Aloori, S., 2022. COVID-19 and vitamin D (Co-VIVID study): a systematic review and meta-analysis of randomized controlled trials. Expert review of anti-infective therapy, pp.1-7.

Vollbracht, C. and Kraft, K., 2021. Feasibility of vitamin C in the treatment of post viral fatigue with focus on long COVID, based on a systematic review of IV vitamin C on fatigue. Nutrients, 13(4), p.1154.

Wang, H., Xu, B., Zhang, Y., Duan, Y., Gao, R., He, H., Li, X. and Li, J., 2021. Efficacy and safety of traditional Chinese medicine in Coronavirus Disease 2019 (COVID-19): A systematic review and meta-analysis. Frontiers in pharmacology, 12.

Wang, Q., Zhu, H., Li, M., Liu, Y., Lai, H., Yang, Q., Cao, X. and Ge, L., 2021. Efficacy and Safety of Qingfei Paidu Decoction for Treating COVID-19: A Systematic Review and Meta-Analysis. Frontiers in pharmacology, 12.

Wang, S.H., Qin, P.J., Zhang, F.X., Zhu, T.Y., Liu, J.F., Gao, B. and Cui, X., 2022. Lianhua Qingwen combined with conventional western medicine in treatment of COVID-19: An overview of systematic reviews. Chinese Traditional and Herbal Drugs, pp.2460-2469.

Wang, X.C., Wu, G.L., Cai, Y.F. and Zhang, S.J., 2022. The safety and efficacy of melatonin in the treatment of COVID-19: A systematic review and meta-analysis. Medicine, 101(39), p.e30874.

Wang, Y., Greenhalgh, T., Wardle, J. and Oxford TCM Rapid Review Team, 2022. Chinese herbal medicine (“3 medicines and 3 formulations”) for COVID‐19: rapid systematic review and meta‐analysis. Journal of evaluation in clinical practice, 28(1), pp.13-32.

Wang, Z. and Yang, L., 2021. Chinese herbal medicine: Fighting SARS-CoV-2 infection on all fronts. Journal of Ethnopharmacology, 270, p.113869.

Wen, G.Y., Lyu, S., Yang, X.H., Han, Q. and Cheng, M.Y., 2021. Systematic review of integrated traditional Chinese and western medicine in treatment of COVID-19. Chinese Traditional and Herbal Drugs, pp.6953-6961.

Wu, H., Dai, R., Wu, X., Li, Q., Lu, H., Yang, J., Mao, W., Hei, P., Liang, J. and Ji, C., 2022. Efficacy and Safety of Chinese Medicine for COVID-19: A Systematic Review and Meta-Analysis. The American Journal of Chinese Medicine, pp.1-17.

Wu, H.T., Ji, C.H., Dai, R.C., Hei, P.J., Liang, J., Wu, X.Q., Li, Q.S., Yang, J.C., Mao, W. and Guo, Q., 2022. Traditional chinese medicine treatment for COVID-19: An overview of systematic reviews and meta-analyses. Journal of Integrative Medicine

Wu, X.V., Dong, Y., Chi, Y., Yu, M. and Wang, W., 2021. Traditional Chinese Medicine as a complementary therapy in combat with COVID‐19—A review of evidence‐based research and clinical practice. Journal of Advanced Nursing, 77(4), pp.1635-1644.

Xavier-Santos, D., Padilha, M., Fabiano, G.A., Vinderola, G., da Cruz, A.G., Sivieri, K. and Antunes, A.E.C., 2022. Evidences and perspectives of the use of probiotics, prebiotics, synbiotics, and postbiotics as adjuvants for prevention and treatment of COVID-19: A bibliometric analysis and systematic review. Trends in Food Science & Technology.

Xavier-Santos, D., Padilha, M., Fabiano, G.A., Vinderola, G., da Cruz, A.G., Sivieri, K. and Antunes, A.E.C., 2022. Evidences and perspectives of the use of probiotics, prebiotics, synbiotics, and postbiotics as adjuvants for prevention and treatment of COVID-19: A bibliometric analysis and systematic review. Trends in Food Science & Technology.

Xiong, X., Wang, P., Su, K., Cho, W.C. and Xing, Y., 2020. Chinese herbal medicine for coronavirus disease 2019: A systematic review and meta-analysis. Pharmacological research, 160, p.105056.

Xu, J., Liu, H., Fan, Y. and Ji, B., 2022. Traditional Chinese Medicine is effective for COVID-19: a systematic review and meta-analysis. Medicine in novel technology and devices, p.100139.

Yan, L.Z., Mao, F.W., Cao, Y.H. and Xie, M., 2021. Clinical effects of the combination of Traditional Chinese and Western Medicines on coronavirus disease 2019: a systematic review and Meta-analysi. Journal of Traditional Chinese Medicine= Chung i tsa Chih Ying wen pan, 41(4), pp.499-506.

Yang, Z., Zhang, S., Tang, Y.P., Zhang, S., Yue, S.J. and Liu, Q.L., 2022. Efficacy and Safety of Qingfei Paidu Decoction for Patients with COVID-19: A Systematic Review and Meta-Analysis. Asian Journal of Complementary and Alternative Medicine, p.6

Yao, J., Zhang, Y., Wang, X.Z., Zhao, J., Yang, Z.J., Lin, Y.P., Sun, L., Lu, Q.Y. and Fan, G.J., 2022. Flavonoids for treating viral acute respiratory tract infections: a systematic review and meta-analysis of 30 randomized controlled trials. Frontiers in public health, 10.

Yin, B., Bi, Y.M., Sun, L., Huang, J.Z., Zhao, J., Yao, J., Li, A.X., Wang, X.Z. and Fan, G.J., 2021. Efficacy of integrated traditional chinese and western medicine for treating COVID-19: A Systematic Review and Meta-Analysis of RCTs. Frontiers in public health, 9, p.892.

Yisak, H., Ewunetei, A., Kefale, B., Mamuye, M., Teshome, F., Ambaw, B. and Yitbarek, G.Y., 2021. Effects of vitamin D on COVID-19 infection and prognosis: a systematic review. Risk management and healthcare policy, 14, p.31.

Yu, R., Zhang, S., Zhao, D. and Yuan, Z., 2022. A Systematic Review of Outcomes in COVID-19 Patients Treated with Western Medicine in Combination with Traditional Chinese Medicine versus Western Medicine Alone. Expert Reviews in Molecular Medicine, pp.1-21.

Zeng, M., Li, L. and Wu, Z., 2020. Traditional Chinese medicine Lianhua Qingwen treating corona virus disease 2019 (COVID-19): Meta-analysis of randomized controlled trials. PLoS One, 15(9), p.e0238828.

Zhang, L. and Liu, Y., 2020. Potential interventions for novel coronavirus in China: A systematic review. Journal of medical virology, 92(5), pp.479-490.

Zhang, L., Ma, Y., Shi, N., Tong, L., Liu, S.H., Ji, X., Chen, R., Fan, Y., Liang, N., Ge, Y. and Gao, H., 2022. Effect of Qingfei Paidu decoction combined with Western medicine treatments for COVID-19: A systematic review and meta-analysis. Phytomedicine, p.154166.

Zhang, S., Yang, Z., Chen, Z.L., Li, Z.N., Yue, S.J., Li, J.J. and Tang, Y.P., 2022. Efficacy and Safety of “Three Chinese Patent Medicines and Three TCM Prescriptions” for COVID-19: A Systematic Review and Network Meta-Analysis. Evidence-Based Complementary and Alternative Medicine, 2022.

Zhang, S., Yang, Z., Chen, Z.L., Li, Z.N., Yue, S.J., Li, J.J. and Tang, Y.P., 2022. Efficacy and Safety of “Three Chinese Patent Medicines and Three TCM Prescriptions” for COVID-19: A Systematic Review and Network Meta-Analysis. Evidence-Based Complementary and Alternative Medicine, 2022.

Zhou, L.P., Wang, J., Xie, R.H., Pakhale, S., Krewski, D., Cameron, D.W. and Wen, S.W., 2021. The effects of traditional Chinese medicine as an auxiliary treatment for COVID-19: a systematic review and meta-analysis. The Journal of Alternative and Complementary Medicine, 27(3), pp.225-237.

Zhuang, J., Dai, X., Wu, Q., Cai, H., Fu, X., Zhang, W. and Chen, B., 2021. A meta-analysis for Lianhua Qingwen on the treatment of Coronavirus disease 2019 (COVID-19). Complementary therapies in medicine, 60, p.102754.