23. Salah Mesalhy Aly, Ph.D., Role of Intermittent Fasting on Improving Health and Reducing Diseases, Int J Health Sci (Qassim). 2014 Jul; 8(3): V–VI., https://wwwncbi.nlm.nih.gov/pmc/articles/PMC4257368/#b4-ijhs-8-3-v
24. Ambiye, A., et. al., Clinical Evaluation of the Spermatogenic Activity of the Root Extract of Ashwaganda (Withania somnifera) in Oligospermic Males: A Pilot Study, Evid Based Complement Alternat Med. 2013; 2013: 571420. doi: 10.1155/2013/571420, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3863556/
25. Chandrasekhar, K., et. al., A Prospective, Randomized Double-Blind, Placebo-Controlled Study of Safety and Efficacy of a High-Concentration Full-Spectrum Extract of Ashwaganda Root in Reducing Stress and Anxiety in Adults, Indian J Psychol Med. 2012 Jul-Sep; 34(3): 255–262. doi: 10.4103/0253-7176.106022, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3573577/
26. Anghelescu IG, et. al., Stress management and the role of Rhodiola rosea: a review, Int J Psychiatry Clin Pract. 2018 Jan 11:1-11. doi: 10.1080/13651501.2017.1417442, https://www.ncbi.nlm.nih.gov/pubmed/29325481;
27. Olsson, EM., et. al., A randomised, double-blind, placebo-controlled, parallel-group study of the standardised extract shr-5 of the roots of Rhodiola rosea in the treatment of subjects with stress-related fatigue, Planta Med. 2009 Feb;75(2):105-12. doi: 10.1055/s-0028-1088346. https://www.ncbi.nlm.nih.gov/pubmed/19016404
28. Hellhammer J, et. at., A soy-based phosphatidylserine/phosphatidic acid complex (PAS) normalizes the stress reactivity of hypothalamus-pituitary-adrenal-axis in chronically stressed male subjects: a randomized, placebo-controlled study. Lipids Health Dis 13:121, 2014, https://www.ncbi.nlm.nih.gov/pmc/articles/ PMC4237891/
29. Chen C, et. al., Berberine inhibits PTP1B activity and mimics insulin action, Biochem Biophys Res Commun Jul 2 2010;397(3):543-7, https://www.ncbi.nlm.nih.gov/ pubmed/20515652
30. Hummel, M., et. al., Chromium in metabolic and cardiovascular disease, Hom Metab Res. 2007 Oct;39(10):743-51., https://www.ncbi.nlm.nih.gov/pubmed/17952838
31. Revilla-Monsalve C, et. al., Biotin supplementation reduces plasma triacylglycerol and VLDL in type 2 diabetic patients and in nondiabetic subjects with hypertriglyceridemia., Biomed Pharmacother. 2006 May;60(4):182-5. https://www.ncbi.nlm.nih.gov/ pubmed/16677798;