What You Should Know About 10 Popular Dietary Supplements

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SOURCES:

Carol Haggans, registered dietitian, National Institutes of Health Office of Dietary Supplements. 

National Institutes of Health: “Calcium,” “Calcium and Vitamin D: Important at Every Age,” “Folate,” “Frequently Asked Questions (FAQ),” “Magnesium,” “Omega-3 Fatty Acids,” “Probiotics,” “Vitamin B12,” “Vitamin D.”

FDA: “FDA 101: Dietary Supplements,” “Information for Consumers on Using Dietary Supplements.” 

Monique Richard, registered dietitian nutritionist and spokesperson, Academy of Nutrition and Dietetics.

Harvard Medical School: “Are You Getting Enough B12?” “The Benefits of Probiotics Bacteria,” “Why Are You Taking a Multivitamin?”

Kaiser Permanente: “Do You Need a Multivitamin?”

UT Southwestern Medical Center: “5 Signs You’ve Chosen the Right Multivitamin.”

Cleveland Clinic: “Collagen,” “Vitamin D Deficiency.”

University of Texas MD Anderson Cancer Center: “Should I Take a Collagen Supplement?”

Journal of Drugs in Dermatology: “Oral Collagen Supplementation: A Systematic Review of Dermatological Applications.”

Journal of Cosmetic Dermatology: “Collagen Supplementation for Skin Health: A Mechanistic Systematic Review.”

Dermatology Practical and Conceptual: “Collagen Supplements for Aging and Wrinkles: A Paradigm Shift in the Fields of Dermatology and Cosmetics.”

Amino Acids: “The Effects of Collagen Peptide Supplementation on Body Composition, Collagen Synthesis, and Recovery From Joint Injury and Exercise: A Systematic Review.”

Nutrients: “Significant Amounts of Functional Collagen Peptides Can Be Incorporated in the Diet While Maintaining Indispensable Amino Acid Balance.”

Mayo Clinic: “Dietary Fiber: Essential for a Healthy Diet,” “Fish Oil,” “Folate,” “I’ve Heard That Magnesium Supplements Have Health Benefits. Should I Take One?” “Vitamin D.” 

Harvard T.H. Chan School of Public Health: “Fiber,” “Magnesium.”

U.S. Department of Agriculture: “Dietary Guidelines for Americans: 2020-2025.”

Plantz, M., et al. Dietary Calcium, StatPearls Publishing, 2022.

UpToDate: “Overview of Vitamin D.”

Mount Sinai: “Fiber.”

Sharon Palmer, registered dietitian nutritionist.

Journal of the Academy of Nutrition and Dietetics: “Quality Certification Programs for Dietary Supplements.”