Vitamins & Minerals

Vitamin K2 for Teeth: The Cavity Prevention Nutrient You're Missing

Discover how vitamin K2 directs calcium to teeth instead of arteries. Learn dosing, forms, and why T...

Health & Wellness

Vitamin C for Skin: What Actually Works (And What's Just Hype)

RDN explains vitamin C's real role in collagen production, separates topical vs oral benefits, and g...