
Why Vitamin D Status Matters for Whole-Body Health: Key Points from Dr. Michael Holick
Vitamin D needs are highly individual, and achieving optimal levels can result in whole-body health benefits Key Points Vitamin D status must be measured, not
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Vitamin D needs are highly individual, and achieving optimal levels can result in whole-body health benefits Key Points Vitamin D status must be measured, not

… And the Importance of Measuring Blood Levels Key Points Adequate vitamin D supports muscle strength and growth by regulating muscle protein synthesis, fast-twitch muscle

Measuring Vitamin D Levels is One of Several Key, Evidence-Based Tests for Improving Cardiovascular Health Key Points Vitamin D plays a direct role in cardiovascular

Maternal Health Awareness Day is January 23rd – Share the following resources and studies to show it’s easy and effective to improve maternal health outcomes
Insights from Dr. William B. Grant, Vitamin D Study Hour (October 2025) Key Points Vitamin D research works best when health outcomes are linked to

Join us as Dr. Michael Holick reviews the latest research to show just how much vitamin D serum levels can affect the risk of many

High calcium combined with low magnesium may interfere with some health benefits of vitamin D, potentially leading to harm Key Points The balance between calcium

Our metabolic health is in crisis, as are our vitamin D levels – could fixing one fix the other? Key Points • Vitamin D influences

Join Us Tomorrow for Our First Vitamin D Study Hour – Vitamin D Treatment for Psoriasis and Other Diseases Key Points Discover Vitamin D’s Therapeutic

Key Points Vitamin D and stress hormones — Vitamin D helps regulate the hypothalamic-pituitary-adrenal (HPA) axis and cortisol, the body’s primary stress hormone. Deficiency and

Videos, pictures, special thanks, and more. Key Points GrassrootsHealth and our “Team Vitamin D” visited Capitol Hill last week to meet with members of congress

Insights from Dr. KECIA Gaither: An Award Winning OBGYN Specializing in High-Risk Pregnancies Dr. Kecia Gaither is a double board-certified physician specializing in Obstetrics &