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Collagen Sources and Physiological Actions

Different sources of collagen (marine, bovine, porcine) and their distinct physiological actions.

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Jan 19, 2026
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What standardized doses and formulations of collagen were used in human RCTs that reported body fat reduction, and what were their limitations?

Randomized controlled trials that reported reductions in body fat most commonly used daily doses clustered around 15 g of collagen peptides (often hydrolyzed or “low‑molecular” forms) delivered as pow...

Feb 6, 2026

How do marine collagen peptides differ from bovine collagen in absorption and clinical outcomes for hair health?

The two common supplement forms—hydrolyzed (from fish) and bovine collagen peptides (from cows)—differ mainly in peptide size and collagen-type composition, with marine preparations marketed as smalle...

Feb 6, 2026

Are collagen peptide supplements effective for female hair growth

(CP) supplements show plausible biological mechanisms and consistent preclinical evidence—in cell culture, ex vivo human follicles and mice—that CPs (especially marine-derived) can prolong the hair gr...