A collagen's value as a skin signal depends on its content of intact small di- and tri-peptides — not its total mass. GlowKaps is a freshwater fish (tilapia) collagen tripeptide where over half the mass is the absorbable peptide signal itself. We deliver the concentrate, not the filler.
Independently verified by a CMA-accredited lab · made-to-order founders' batches · your lab report ships in the box.
Independently verified molecular weight, purity, and heavy-metal safety by GPC and a CMA-accredited lab — the proof commodity collagen can't show you.
| Parameter | Value | Why it matters |
|---|---|---|
| Mn / Mw | 358.7 / 488.5 Da | Among the lowest-MW collagen on the market |
| 200–500 Da (di/tri/tetra) | 51.64% | The PEPT1-absorbable bioactive window |
| 200–800 Da peptide | 73.17% | Broad absorbable fraction (excl. free AA) |
| 200–1,000 Da peptide | 78.63% | Absorption matrix |
| <10,000 Da | 99.8% | Confirms full hydrolysis (accredited GPC) |
| Hydroxyproline | 10.29 g/100g | Confirms genuine collagen — not protein-diluted |
| Protein purity | 99.0% | High purity |
| Heavy metals (As/Cd/Pb/Hg) | Not detected | Clean — the trust asset |
Independent Certificate of Analysis + a CMA-accredited lab GPC report · Lot CTP250307Y.
Collagen only works on skin if the bioactive peptides survive digestion and reach the blood as a signal. Size decides whether they do.
PEPT1 (SLC15A1) is the intestinal transporter that carries di- and tri-peptides intact into the blood. Tetrapeptides and larger aren't PEPT1 substrates — they're broken down at the gut wall into plain amino acids first.
Established mechanismPro-Hyp and Gly-Pro-Hyp are the collagen-derived peptides repeatedly found intact in human plasma after ingestion — and shown to signal fibroblasts to produce collagen and hyaluronic acid.
Human PK + in vitroThe more of a powder that already sits in the di/tri window, the more absorbs intact as signal rather than degrading to filler. GlowKaps is loaded exactly there — 51.64% in the 200–500 Da window.
ImplicationEach capsule delivers a low-molecular-weight peptide payload comparable to roughly 1–2.5 grams of conventional collagen on a bioavailability basis — because conventional collagen dilutes the active di/tri-peptide signal with inactive bulk. We deliver the concentrate.
Honesty guardrail: this is a bioavailability/payload comparison from the molecular-weight and absorption literature — clinically-informed, not clinically proven on this exact capsule (our own before/after study is in progress). We still recommend 2–3 capsules/day so the absolute dose is bulletproof.
A fair objection — and the doctors are right about the cheap stuff. Here's why GlowKaps breaks the rule.
Skin studies use 2.5–10 g/day because standard hydrolyzed collagen (2,000–5,000 Da) is mostly inactive bulk — only a small fraction is the bioactive Pro-Hyp / Gly-Pro-Hyp signal. Five caps of that ≈ 2.5 g of mostly-inactive filler → a token effect. The skeptics are right.
"You need grams" is a symptom of low bioactive concentration. GlowKaps is a verified sub-500 Da tripeptide where over half the mass is the absorbable signal itself — the very fraction the grams were diluting. So 2–3 capsules deliver a small-peptide payload equivalent to several grams of standard collagen, without the bulk.
Collagen peptides act partly as fibroblast signals — once the system is saturated, extra peptide is just metabolized as ordinary calories. The efficient dose sits in the middle.
Absorbed peptide beyond what your fibroblasts can use is deaminated and burned for energy (~4 kcal/g) — an overdose is financial waste, not extra benefit.
Two formulas on the same lab-verified ~489 Da tripeptide engine. Pricing on request — message us for current batch and clinic/partner rates.
The same lab-verified ~489 Da collagen tripeptide, in the format that fits the routine — capsule, juice, or coffee.
Peptide absorption rewards a split dose taken steadily over time.
Two capsules with water to lead the day's collagen signal.
One capsule in the evening — splitting matches how the body absorbs peptides.
Take consistently for at least 8–12 weeks for visible, structural results.
Di- and tri-peptides are absorbed intact through the gut via PEPT1; larger fragments are broken into plain amino acids first. GlowKaps sits ~489 Da on average with 51.64% in the absorbable window — so a sensible capsule dose does the work grams of commodity collagen are needed for.
Two capsules in the morning, one in the evening, with water. Best taken consistently for at least 8–12 weeks.
It is a freshwater fish (tilapia) collagen tripeptide — not marine/deep-sea. Third-party tested with no detectable lead, arsenic, mercury, or cadmium. Contains FISH. Not intended for those with fish/seafood allergy, or for pregnant/lactating women or children unless advised by a physician.
We say clinically-informed, not clinically proven. The science is based on the verified molecular-weight report and the published absorption literature; our own before/after study on real clients is in progress.
Made to order in founders' batches — we produce what's reserved, so capsules are fresh and your independent lab report ships in the box.
Message us for the current founders' batch, clinic/retail partner rates, and the full lab report. Your COA ships with every order.
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