Expert insights and guides on health, nutrition, and supplements
Dr. Amanda Foster, MD, breaks down the retinol vs beta-carotene debate with research, dosing specifi...
Is vitamin A just for night vision? I've seen patients miss the immune benefits. Here's what 14 year...
Clinical dietitian explains when retinol supplements work for skin—and when plant-based alternatives...
Is vitamin A just for night vision? I've seen patients transform their skin and immune function with...
I used to recommend retinol supplements—until I saw the toxicity data. Here's why I now prefer beta-...
I'm tired of seeing patients take vitamin A wrong. Here's what the research actually shows about pre...
Clinical dietitian explains why beta-carotene supplements don't fix night blindness for many people....