Supplements

Supplements

Vitamin D3 and K2: Benefits, Dosage, Evidence and Safety

Vitamin D3 and K2 together: why they are paired, D3 vs D2, MK-4 vs MK-7, daily needs and limits, what trials show and why warfarin users must check first.

Supplements

Magnesium Glycinate vs Citrate: Differences, Dosage and Safety

Supplements

Iron Supplements for RLS: Ferritin Targets and Dosing

Supplements

Iron Supplements for Pregnancy: Doses, Prenatals, Safety

Supplements

Iron Supplements for Low Ferritin: How to Raise Ferritin

Supplements

Iron Supplements: Types, Dosage, Side Effects and Safety

Supplements

Iron Supplement for Low Hemoglobin: Dose, Timeline, Tests

Supplements

Berberine Patch: Does It Work, Side Effects and Evidence

A berberine patch lists about 8 to 11 mg; studies used 1,000 mg by mouth. See what research shows, moringa and NAD versions, side effects and patch vs. pills.