Collagen Tea vs Bone Broth

Bone broth is marketed as a collagen source, but research finds its collagen-precursor content is low and unreliable compared with standardized collagen peptides. Here’s the comparison.

By PGP Iyer · May 28, 2026 · 1 min read

Bone broth has a wholesome, traditional reputation as a collagen source. The catch: its actual collagen-precursor content is low and highly variable — so as a way to hit a known collagen dose, it’s unreliable compared with standardized peptides.

What the research found

An analysis comparing homemade bone broths concluded that bone broth is unlikely to provide reliable concentrations of collagen precursor amino acids compared with supplemental collagen used in research. Broths varied widely depending on bones, simmer time, and recipe.

Why the gap

Collagen peptides are standardized and hydrolyzed to a known amount and a more absorbable form. A pot of broth is an uncontrolled extraction — you can’t know how many grams of collagen you’re getting cup to cup.

Where broth still shines

Bone broth is warming, savory, and a real food with electrolytes and flavor. Enjoy it for what it is — just don’t rely on it to hit a specific collagen target.