8 min
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...
Vitamins & Minerals
348 articlesEssential nutrients including multivitamins, vitamin D, C, B-complex, iron, zinc, and more
8 min
8 min
Niacin for Cholesterol: The Flush You Can't Ignore
Niacin can lower LDL by 15-25% but causes flushing in 80% of users. Learn how to manage side effects...
8 min
Pantothenic Acid for Stress: Why I Stopped Calling It 'Vitamin B5'
I used to dismiss pantothenic acid as just another B vitamin—until I saw how it powers adrenal hormo...
8 min
Magnesium for Cramps: Why Your Supplement Probably Isn't Working
Most magnesium supplements won't stop muscle cramps quickly. Here's which form works fastest, backed...
9 min
Sunlight vs. Supplements: A Realistic Guide to Vitamin D
Debunking myths about vitamin D from sun exposure vs. pills. Learn optimal timing, safe supplementat...
8 min
Vitamin A's Gut Barrier Role: What My IBD Patients Taught Me
Beyond vision and immunity: How vitamin A repairs intestinal lining, supports gut barrier function,...
8 min
Biotin for Hair: What the Science Actually Says About Those Supplements
I used to recommend biotin to everyone with thinning hair—until I saw the research. Here's what the...
8 min
Selenium & Iodine: The Thyroid Duo You're Probably Getting Wrong
Frustrated with thyroid supplement confusion? Dr. Amanda Foster explains the delicate selenium-iodin...
8 min
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 matter...
8 min
Calcium Hydroxyapatite vs Citrate: Which Actually Builds Bone?
A physician compares calcium forms for osteoporosis prevention. See which one research shows works b...
8 min
Zinc Lozenges Are Mostly Useless—Here's What Actually Works
Most zinc supplements won't stop your cold. I'm an RD with 15 years in clinics—here's the research-b...
9 min
Iodine & Breast Health: What I've Learned From 15 Years in Clinic
A clinical dietitian explains iodine's surprising role in breast tissue health, dosing mistakes I se...