Supplement Basics
How to read labels, understand ingredients, and think clearly about supplements.
How much is too much? Upper limits and fat-soluble vitamins
More is not always better with supplements. A clear look at tolerable upper intake levels, why fat-soluble vitamins behave differently, and how doses can stack without you noticing.
Supplement safety: interactions, dosing, and the "natural" myth
Supplements aren't automatically safe. A plain-English guide to drug interactions, dosing limits, surgery precautions, and why "natural" doesn't mean risk-free.
Probiotics: what the label actually means
Probiotic labels list strains, CFUs, and storage rules that most shoppers skip. A plain-English guide to reading one without the hype.
Third-party testing explained: USP, NSF, and what the seals mean
Supplements aren't pre-approved like drugs, so third-party testing marks matter. A guide to USP, NSF, and Informed Sport — and their limits.
Reading a supplement label: what to look for
Serving size, ingredient form, % Daily Value, and the small print most people skip — a calm, practical guide to label literacy.
When supplements help (and when they don't)
Supplements are useful in some situations and pointless in others. A practical framework for telling the difference.
Magnesium: forms, absorption, and timing
Magnesium forms vary widely in absorption and tolerability. A general overview of common forms, how they're used, and timing.