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Comparison of gelatin with other protein sources such as casein.
Clinical trials show that oral gelatin can temporarily blunt appetite and alter appetite-related hormones (notably raising GLP‑1 and insulin after a gelatin meal), but those short-term effects have no...
Short-term human trials show gelatin taken before or as the protein in a meal can suppress appetite and lower calories at the next meal—often by roughly 15–25% in single-meal studies—yet this short-te...
Randomized, placebo-controlled trials exist testing both gelatin (as a component of high‑protein diets) and various collagen peptide supplements for effects on body fat, but the picture is mixed: seve...
The gelatin diet — consuming gelatin or gelatin-based preparations before meals to curb appetite — produces measurable short-term satiety in small studies but has not demonstrated reliable, sustained ...
Sugar-free Jell‑O by itself is not a high‑protein food—one serving of sugar‑free powdered mix typically provides about 1 gram of protein and very few calories, so it cannot be relied on alone to produ...
Controlled feeding and lab studies consistently find that gelatin or some protein pre‑meal snacks can suppress short‑term hunger and reduce caloric intake at the next meal compared with some other pro...