Vitamin D Dosage for Postmenopausal Osteoporosis Prevention
Evidence-based vitamin D dosing guidelines for postmenopausal women to prevent osteoporosis — optimal blood levels, the right form, and why calcium alone isn't enough.
·Supplement Science
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Evidence-based articles on supplements, nutrition, and health.
Safest Iron Supplements for Elderly Adults With Sensitive Stomachs
Iron bisglycinate is the safest and most GI-friendly iron supplement for elderly adults with sensitive stomachs. Here's how to choose, dose, and minimize side effects.
·Supplement Science
Best Supplements for Sleep in 2026: What Actually Works
An evidence-based ranking of the most effective sleep supplements — magnesium, melatonin, L-theanine, and more — with dosing guidance and safety considerations.
·Supplement Science
Best Magnesium for Sleep: A Guide for Women Over 50
Magnesium glycinate is the most effective form for improving sleep quality in women over 50. Here's what the research shows and how to choose the right supplement.
·Supplement Science