Supplement-Drug Interactions: The Pairings That Send People to the Hospital
St. John's wort, grapefruit-like effects, and vitamin K flip-flops: documented interactions between common supplements and common prescriptions.
Supplements
Витамины и бады: what evidence supports, what marketing claims, ingredient literacy
USP, NSF and Informed Sport: What Supplement Certification Seals Actually Verify
Third-party seals do not certify that a supplement works — they certify what is in the bottle, how much, and what is not.
Probiotics: Why the Strain on the Label Matters More Than the CFU Count
Evidence for probiotics is strain-specific and condition-specific — a billion CFUs of the right strain beat a hundred billion of the wrong one.
Omega-3 Supplements and Your Heart: What Large Trials Now Show
Fish oil capsules outsell nearly every other supplement, but trial evidence for prevention in healthy people has mostly collapsed into null results.
How the FDA Regulates Supplements Under DSHEA — and Why Approval Is Not Part of It
The 1994 law that governs dietary supplements puts the burden of proof on the FDA after products reach shelves, not on companies before they sell.
Magnesium Supplements: Which Form Does What, and What the Evidence Supports
Magnesium glycinate, citrate, oxide and malate are marketed for different purposes — the chemistry behind those claims is real, but most promised benefits go beyond the data.