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National Institutes of Health Office of Dietary Supplements: “Vitamin D,” “Probiotics,” “Multivitamin/mineral Supplements,” “Omega-3 Fatty Acids,” “Vitamin C,” “Magnesium,” “Vitamin B12.”
BMC Public Health: "Vitamin D levels and deficiency with different occupations: a systematic review."
The New England Journal of Medicine: "Vitamin D Deficiency -- Is There Really a Pandemic?" "Vitamin D Supplements and Prevention of Cancer and Cardiovascular Disease," "Vitamin D Supplementation and Prevention of Type 2 Diabetes."
Harvard Health Publishing: “Vitamin D: What’s the “right” level?” “Should you take probiotics?” “Fish oil: friend or foe?” “What you need to know about calcium,” “The latest on glucosamine/chondroitin supplements,” “By the way, doctor: What's the right amount of vitamin C for me?” “Vitamin B12 deficiency can be sneaky, harmful.”
JAMA Cardiology: "Vitamin D Supplementation and Cardiovascular Disease Risks in More Than 83 000 Individuals in 21 Randomized Clinical Trials."
The American Journal of Clinical Nutrition: "Randomized controlled trial of vitamin D supplementation in older people to optimize bone health."
The Lancet: "Effects of vitamin D supplementation on musculoskeletal health: a systematic review, meta-analysis, and trial sequential analysis."
Journal of the American Medical Association: "Effect of Vitamin D and Calcium Supplementation on Cancer Incidence in Older Women: A Randomized Clinical Trial."
The University of Texas MD Anderson Cancer Center: “Should you take a daily probiotic supplement?”
Annals of Internal Medicine: "Enough Is Enough: Stop Wasting Money on Vitamin and Mineral Supplements," "Association Among Dietary Supplement Use, Nutrient Intake, and Mortality Among U.S. Adults: A Cohort Study," "Meta-analysis: high-dosage vitamin E supplementation may increase all-cause mortality."
Mayo Clinic: “Nutrition and healthy eating,” “Coenzyme Q10,” “Mayo Clinic Minute: Are there health benefits to taking turmeric?” “Are vitamin B-12 injections helpful for weight loss?”
Journal of the American Association of Nurse Practitioners: "Fiber supplements and clinically proven health benefits: How to recognize and recommend an effective fiber therapy."
MedlinePlus: “Dietary Fiber.”
American Heart Association: “Fish and Omega-3 Fatty Acids.”
National Institutes of Health National Center for Complementary and Integrative Health: “Omega-3 Supplements: In Depth,” “Melatonin: In Depth,” “Coenzyme Q10,” “Turmeric.”
Johns Hopkins Medicine: “Calcium Supplements: Should You Take Them?” “Melatonin for Sleep: Does It Work?”
National Institutes of Health Osteoporosis and Related Bone Diseases National Research Center: “Exercise for Your Bone Health.”
American Academy of Family Physicians: “Glucosamine.”
Arthritis Foundation: “Chondroitin Sulfate and Glucosamine Supplements in Osteoarthritis.”
Journal of the American Medical Directors Association: "Clinical Use of Curcumin in Depression: A Meta-Analysis."
Acta Medica Indonesiana: "The effect of curcumin on lipid level in patients with acute coronary syndrome."
National Center for Complementary and Integrative Health: “Melatonin: In Depth,” “5 Tips: What Consumers Need to Know About Dietary Supplements.”
Reviewed by Christine Mikstas, RD, LD on September 23, 2019
This tool does not provide medical advice. See additional information.
THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.
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