References & Endnotes
Key sources behind this guide — linked directly to the source where available
Holick MF. "Vitamin D Deficiency." New England Journal of Medicine, 2007;357(3):266-281. ↩ back to text
Geleijnse JM, Vermeer C, Grobbee DE, et al. "Dietary Intake of Menaquinone Is Associated with a Reduced Risk of Coronary Heart Disease: The Rotterdam Study." Journal of Nutrition, 2004;134(11):3100-3105. View study ↗ ↩ back to text
Mozaffarian D, Wu JHY. "Omega-3 Fatty Acids and Cardiovascular Disease: Effects on Risk Factors, Molecular Pathways, and Clinical Events." Journal of the American College of Cardiology, 2011;58(20):2047-2067. View study ↗ ↩ back to text
Kreider RB, Kalman DS, Antonio J, et al. "International Society of Sports Nutrition Position Stand: Safety and Efficacy of Creatine Supplementation in Exercise, Sport, and Medicine." Journal of the International Society of Sports Nutrition, 2017;14:18. View study ↗ ↩ back to text
Avgerinos KI, Spyrou N, Bougioukas KI, Kapogiannis D. "Effects of Creatine Supplementation on Cognitive Function of Healthy Individuals: A Systematic Review of Randomized Controlled Trials." Experimental Gerontology, 2018;108:166-173. View study ↗ ↩ back to text
Chandrasekhar K, Kapoor J, Anishetty S. "A Prospective, Randomized Double-Blind, Placebo-Controlled Study of Safety and Efficacy of a High-Concentration Full-Spectrum Extract of Ashwagandha Root in Reducing Stress and Anxiety in Adults." Indian Journal of Psychological Medicine, 2012;34(3):255-262. View study ↗ ↩ back to text
Zeisel SH, da Costa KA. "Choline: An Essential Nutrient for Public Health." Nutrition Reviews, 2009;67(11):615-623. View study ↗ ↩ back to text