Evidence-based articles on vitamins, minerals, supplements and nutrition — sourced, not opinionated.
CDC data shows just 35.7% of US youth take a supplement, well below the adult rate. Here's what actually predicts …
Direct-to-consumer panels advertise comprehensive vitamin screening. Here is what those panels can genuinely measure, what they cannot, and how to …
New CDC data shows supplement use climbs steadily with age, peaking at 76% among adults 60 and older, with a …
Fatigue is the symptom most associated with deficiency and the least specific. Here is what named authorities actually list for …
There is no single blood test that measures every vitamin. Here is what is actually orderable, what each test measures, …
