Vitamin D3 vs. D2: Why the Form You Take Matters
Compares cholecalciferol (D3) and ergocalciferol (D2) on absorption, efficacy, and duration, and explains why D3 is typically the better choice.
Why You Should Always Take Vitamin D With K2
Explains the biochemical partnership between vitamin D3 and K2, why K2 directs calcium to bones and away from arteries, and how to take them together.
How Much Vitamin D Do You Need During Pregnancy?
Explains how much vitamin D pregnant women need, the risks of deficiency for mother and baby, and current supplementation recommendations.
What the Research Really Says About Vitamin D and Cancer Prevention
Reviews what the clinical and epidemiological research actually shows about vitamin D and cancer risk, separating the strong signals from the overhyped claims.
Could Low Vitamin D Be Behind Your Depression or Low Mood?
Examines the evidence linking vitamin D deficiency to depression and seasonal affective disorder, and whether supplementation can improve mood.
Why People With Autoimmune Conditions Are Often Told to Optimize Vitamin D
Covers why vitamin D plays a key role in immune regulation and why many people with autoimmune conditions are encouraged to maintain optimal levels.
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