# Dipeptides and Tripeptides: The Emerging Frontier of Collagen Science Page: https://stenobird.com/podcast/dr-joseph-mercola-take-control-of-your-health-402388/dipeptides-and-tripeptides-the-emerging-frontier-of-collagen-science Text version: https://stenobird.com/podcast/dr-joseph-mercola-take-control-of-your-health-402388/dipeptides-and-tripeptides-the-emerging-frontier-of-collagen-science.md Podcast: [Dr. Joseph Mercola - Take Control of Your Health](https://stenobird.com/podcast/dr-joseph-mercola-take-control-of-your-health-402388) Published: 2026-05-13T04:00:00+00:00 Episode link: https://mercola.libsyn.com/dipeptides-and-tripeptides-the-emerging-frontier-of-collagen-science Audio file: https://traffic.libsyn.com/secure/mercola/5.13_Lead_Dipeptides_and_Tripeptides_The_Emerging_Frontier.mp3?dest-id=574508 Processing state: not_requested JSON: https://stenobird.com/v1/public/podcasts/dr-joseph-mercola-take-control-of-your-health-402388/episodes/dipeptides-and-tripeptides-the-emerging-frontier-of-collagen-science Duration seconds: 357 ## Resource Standard collagen supplements get broken down to individual amino acids during digestion, but specific di- and tripeptides resist digestive enzymes, enter your bloodstream intact, and may act as signaling molecules that stimulate collagen production, fibroblast activity, and hyaluronic acid synthesis German company Gelita produces target-specific bioactive collagen peptide formulations for joints, skin, and bone, each backed by randomized, placebo-controlled clinical trials The Japanese company Nitta Gelatin first identified these key bioactive dipeptides from within the collagen peptide molecule over a decade ago, and their Replenwell line contains up to 30 times more bioactive dipeptides than standard collagen A 2024 five-arm multicenter randomized controlled trial showed that 2.5 grams of concentrated bioactive collagen peptides matched the efficacy of 10 grams of conventional collagen — a four-fold potency advantage Gelita's consumer-available hydrolysate powder — roughly $40 for a pound — is currently a practical option, though a commonly studied intake is about 10 grams per day ## Actions - request_transcript: `POST https://stenobird.com/v1/public/podcasts/dr-joseph-mercola-take-control-of-your-health-402388/episodes/dipeptides-and-tripeptides-the-emerging-frontier-of-collagen-science/transcription-requests` — Idempotently request low-priority transcript generation for this episode. - read_markdown: `GET https://stenobird.com/podcast/dr-joseph-mercola-take-control-of-your-health-402388/dipeptides-and-tripeptides-the-emerging-frontier-of-collagen-science.md` — Read the agent-friendly Markdown representation of this episode resource. A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed. ## Transcript Full transcripts are not published on public pages unless there is a clear rights basis.