Related Articles
Brand Investigation
Brand Investigation D grade
Dr. Mercola (Mercola Market / Mercola.com Health Resources)
A sustainability-forward supplement line from a polarizing figure: quality claims vs. a long controversy trail
Dr. Mercola (Mercola Market / Mercola.com Health Resources)
Supplement Guide
Supplement Guide Robust evidence
Iron
In 19th-century clinics, pale teenagers were diagnosed with "green sickness," a languor so common it earned its own pills—iron salts that often turned the...
Iron
Supplement Guide
Supplement Guide Promising evidence
Collagen
You scoop a pale powder into your coffee and imagine it weaving itself into smoother skin and springier joints. But the real story of collagen begins not in a...
collagen
Best For
Best For Robust evidence
Best for Joint Pain
UC-II (undenatured type II collagen) — 40 mg daily
Undenatured type II collagen
Comparison
Comparison Robust evidence
Whey protein (concentrate/isolate/hydrolysate) vs Plant protein (pea/soy/rice blends)
Pick whey if you want the most leucine and lean-mass support per scoop and you tolerate dairy; pick plant protein if you're vegan/dairy-sensitive—just use a...
protein