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An evidence-based guide to iron absorption and the vitamin C synergy — covering iron deficiency prevalence, heme vs non-heme iron, supplement forms compare

An evidence-based guide to Europe's vitamin D crisis covering latitude science, D3 vs D2, the D3+K2 synergy, optimal blood levels, testing options, and pra

A comprehensive, evidence-based guide to supplement-drug interactions covering CYP450 enzymes, blood thinners, antidepressants, blood pressure and diabetes

"Supplements are unregulated." "More is better." "Natural always means safe." You've heard these claims a thousand times. Here's what the evidence actually

You could take the world's most expensive supplement — but if your body can't absorb it, you're just making expensive urine. Here's how bioavailability wor

Most supplement users cannot decode the label on their own bottle. Here is exactly what to look for — ingredient forms, dosages, red flags, green flags, an

Taking the right supplement at the wrong time can slash its effectiveness. Learn when to take vitamins, minerals, adaptogens, and other supplements — with

We reviewed the evidence on 30+ supplements and sorted them into three tiers: works, promising, and skip. Here is what the research actually says — no hype

Magnesium is involved in over 300 reactions that affect running performance — from ATP energy production to muscle relaxation and sleep quality. Here's wha