Vitamin D for Athletes: The Immune & Performance Protocol I Actually Use
Stop guessing with vitamin D. I'm sharing the exact dosing, timing, and forms I use with competitive athletes to boost i...
Knowledge Base
Expert insights and guides on health, nutrition, and supplements
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The Real Anti-Aging Supplements After 50: What Works, What's Hype
Dr. Sarah Chen, PhD, RD, busts myths and shares targeted supplement strategies for vitality, cognition, and health after...
Why Vitamin D3 Alone Isn't Enough for Your Bones (The K2 Connection)
A 52-year-old marathon runner's labs shocked me—high vitamin D but low bone density. Here's why D3 needs K2 to direct ca...
I Used to Think Vitamin D Was Just for Bones—Here's Why I Was Wrong
RDN Marissa Thompson explains the surprising link between low vitamin D, insulin resistance, and stubborn belly fat—with...
Postpartum Weight Loss Supplements: What Actually Works (And What's Dangerous)
RD with 15 years experience busts myths about postpartum supplements. Learn what's safe while breastfeeding, what helps...
Why Your Vitamin D Dose Might Be Wrong: The Genetics of VDR Polymorphisms
I used to prescribe the same vitamin D dose to everyone—until genetics showed me why some need 2,000 IU while others nee...
The Vitamin D Weight Loss Connection: Why Your Levels Matter
Could low vitamin D be sabotaging your weight loss? An RDN explains the research, optimal levels, and what actually work...
Vitamin D's Immune Secret: How It Powers Your Natural Killer Cells
I used to think vitamin D was just for bones—until I saw how it activates natural killer cells. Here's what the latest r...
Testosterone Boosters: What Actually Works (And What's Just Hype)
Cut through the marketing noise. An RDN reviews evidence-based ingredients, separates hype from science, and gives pract...
Vitamin D's Hidden Role in Athletic Performance: More Than Just Bones
That claim about vitamin D only mattering for bones? It's based on outdated thinking. Here's how it actually powers musc...
Sunlight vs. Supplements: A Realistic Guide to Vitamin D
Debunking myths about vitamin D from sun exposure vs. pills. Learn optimal timing, safe supplementation, and what resear...
Your Calcium Pills Are Probably Useless—Here's What Actually Works
Most people take calcium supplements wrong. Learn why absorption with vitamin D and magnesium matters more than high dos...