Vitamins and Supplements
Ingredient-first reviews that separate marketing claims from the available evidence.
Calcium Supplements: Benefits and Tradeoffs
A research-led look at calcium supplements, including practical choices, product questions, safety limits, and links to authoritative guidance.
Children’s Vitamins: Storage and Safety
A research-led look at children’s vitamins, including practical choices, product questions, safety limits, and links to authoritative guidance.
Collagen Supplements: Claims and Research
A research-led look at collagen supplements, including practical choices, product questions, safety limits, and links to authoritative guidance.
Gummies vs Tablets vs Powders
A research-led look at gummies vs tablets vs powders, including practical choices, product questions, safety limits, and links to authoritative guidance.
Herbal Blends: Why Doses Matter
A research-led look at herbal blends, including practical choices, product questions, safety limits, and links to authoritative guidance.
How to Read a Supplement Facts Label
A research-led look at how to read a supplement facts label, including practical choices, product questions, safety limits, and links to authoritative guidance.
How to Read a Supplement Facts Label Without Getting Lost
A step-by-step guide to serving size, ingredient amount, percent Daily Value, proprietary blends, and other ingredients.
How to Report a Supplement Side Effect
A research-led look at how to report a supplement side effect, including practical choices, product questions, safety limits, and links to authoritative guidance.
Iron Supplements: When Testing Matters
A research-led look at iron supplements, including practical choices, product questions, safety limits, and links to authoritative guidance.
Magnesium Supplements: Forms and Claims
A research-led look at magnesium supplements, including practical choices, product questions, safety limits, and links to authoritative guidance.
Multivitamins: Who May Benefit?
A research-led look at multivitamins, including practical choices, product questions, safety limits, and links to authoritative guidance.
Omega-3 Supplements: Label and Quality Questions
A research-led look at omega-3 supplements, including practical choices, product questions, safety limits, and links to authoritative guidance.
Probiotics: Strains, Uses, and Evidence
A research-led look at probiotics, including practical choices, product questions, safety limits, and links to authoritative guidance.
Sports Supplements and Contamination Risk
A research-led look at sports supplements and contamination risk, including practical choices, product questions, safety limits, and links to authoritative guidance.
Supplement Interactions Before Surgery
A research-led look at supplement interactions before surgery, including practical choices, product questions, safety limits, and links to authoritative guidance.
Supplement Quality: What Third-Party Testing Can—and Cannot—Tell You
How to interpret verification seals, manufacturer transparency, recalls, and the limits of quality testing.
Supplement–Medication Interactions: A Safety Checklist
Why “natural” products can still change bleeding, blood pressure, blood sugar, sedation, or medicine levels.
Third-Party Supplement Testing Explained
A research-led look at third-party supplement testing explained, including practical choices, product questions, safety limits, and links to authoritative guidance.
Vitamin B12: Food, Absorption, and Supplements
A research-led look at vitamin b12, including practical choices, product questions, safety limits, and links to authoritative guidance.
Vitamin D Supplements: Dose and Testing
A research-led look at vitamin d supplements, including practical choices, product questions, safety limits, and links to authoritative guidance.
