Index/Topics/Collagen and Gelatin as Protein Substitutes

Collagen and Gelatin as Protein Substitutes

The use of collagen and gelatin as substitutes for complete proteins in the diet and their potential effects on health.

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6 results
Jan 13, 2026
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What clinical trials have tested oral gelatin or collagen supplements for long‑term weight loss?

Clinical trials have tested oral collagen (including hydrolysed collagen peptides) and gelatin in short to medium‑term interventions—most commonly 8–12 weeks—with some randomized controlled trials rep...

Jan 12, 2026
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What are the nutritional risks of replacing dietary complete proteins with gelatin or collagen over months?

Replacing dietary complete proteins with gelatin or collagen for months carries measurable nutritional risks because these collagen-derived proteins are unusually low or missing in essential amino aci...

Feb 1, 2026

What are evidence-based uses of gelatin or collagen for appetite control or gut health?

Randomized human trials and systematic reviews show mixed, modest evidence that gelatin or specific collagen preparations can reduce short-term hunger or meal intake in some settings, but high‑quality...

Jan 29, 2026

what health benefits come from bell peppers

are a low-calorie, nutrient-dense fruit packed with , (including lutein and zeaxanthin), fiber and other antioxidants, and regular consumption is associated in the literature with benefits for eye hea...

Jan 20, 2026

What scientific evidence exists for gelatin or collagen supplements affecting appetite or weight loss?

Randomized trials and mechanistic studies offer mixed, limited evidence that gelatin or collagen supplements can modestly influence satiety and, in some cases, promote small weight changes, but result...

Jan 12, 2026

What peer‑reviewed clinical trials exist on gelatin supplements and weight loss outcomes?

The peer‑reviewed clinical-trial evidence for gelatin supplements producing sustained weight loss is sparse and unimpressive: a controlled 2010 trial found short‑term appetite suppression with gelatin...