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Research-onlyVendors pendingFacts verified · 2026-05-25

Glow

Also known as glow blend, glow stack, ghk-cu/bpc-157/tb500, ghk + bpc + tb

Glow is a three-peptide research-chemical blend marketed primarily for skin, hair, and post-procedure recovery, combining GHK-Cu (a copper-binding tripeptide isolated by Loren Pickart in 1973), BPC-157 (a 15-residue synthetic peptide derived from a gastric-juice sequence), and TB-500 (a synthetic fragment closely related to thymosin beta-4). The blend's positioning derives from the regenerative reputations of the three components rather than from any direct study of the combination. Vendors supply Glow as both an injectable solution and as a compounded topical for skin and scalp application. No human pharmacology, efficacy, or safety data exist for the specific blend; all supportive evidence is component-level. The product is sold for research use only and is not approved by any regulatory authority for human therapeutic use; individual component evidence is summarized in their dedicated entries.

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Formulation note

GHK-Cu + BPC-157 + TB-500. Marketed for skin/hair healing.

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Mechanism of action

Glow has no mechanistic literature of its own; activity is inferred from the three components. GHK-Cu is a copper-binding tripeptide originally isolated from human plasma (Pickart 1973) that upregulates collagen, glycosaminoglycan, decorin, and elastin synthesis in dermal fibroblasts at picomolar-to-nanomolar concentrations, modulates matrix metalloproteinase activity, and has been shown by transcriptomic profiling to shift gene expression of more than 4,000 human genes toward a youthful pattern (Pickart & Margolina, 2018, PMC6073405; PMC4508379).

Glow has no mechanistic literature of its own; activity is inferred from the three components. GHK-Cu is a copper-binding tripeptide originally isolated from human plasma (Pickart 1973) that upregulates collagen, glycosaminoglycan, decorin, and elastin synthesis in dermal fibroblasts at picomolar-to-nanomolar concentrations, modulates matrix metalloproteinase activity, and has been shown by transcriptomic profiling to shift gene expression of more than 4,000 human genes toward a youthful pattern (Pickart & Margolina, 2018, PMC6073405; PMC4508379). BPC-157 contributes VEGFR2-mediated angiogenesis and Akt/eNOS-driven nitric-oxide signaling, supporting fibroblast activity and connective-tissue remodeling (Sikiric et al., PMID 20388964). TB-500 (thymosin beta-4 active-site fragment) is the principal G-actin-sequestering peptide in cells and accelerates wound re-epithelialization through promotion of cell migration, progenitor mobilization, and anti-inflammatory signaling (Goldstein et al., PMID 22074294; Crockford et al., PMID 23050815). The blend is positioned for synergy across collagen/ECM remodeling, angiogenesis, and cell migration, but no direct evidence of synergy in humans has been published.

Pharmacokinetic properties

Half-life

Component-level: GHK-Cu has plasma t1/2 of a few hours but extended tissue retention via copper binding; BPC-157 ~minutes-hours in rodents; TB-500 ~2-3 h plasma in animal studies. No PK data exist for the blended product.

Routes

subcutaneous · topical

Bioavailability

Most often injected subcutaneously for systemic effects; also formulated topically for skin and scalp use, particularly leveraging the well-documented topical activity of GHK-Cu in cosmetic dermatology. Topical delivery of BPC-157 and TB-500 is not well characterized. No PK data on the blended product.

Amino-acid sequence

GHK-Cu: Gly-His-Lys (3 aa) complexed with Cu2+. BPC-157: Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val (15 aa). TB-500: Ac-Ser-Asp-Lys-Pro-Asp-Met-Ala-Glu-Ile-Glu-Lys-Phe-Asp-Lys-Ser-Lys-Leu-Lys-Lys-Thr-Glu-Thr-Gln-Glu-Lys-Asn-Pro-Lys (synthetic TB-4 active-site fragment; vendor identity varies).

Use & research dosing

Research framing only. Community self-experimentation protocols typically dose roughly 200-500 mcg of each component subcutaneously per day, or a combined 1-2 mg per injection split across the three peptides, run in 4-8 week cycles followed by an off-period. Topical compounded formulations vary widely between compounders in per-component concentration and base vehicle. GHK-Cu has the broadest cosmetic-dermatology dosing precedent, typically 0.005-2% by weight in topical formulations, while BPC-157 and TB-500 lack any validated topical dose and their dermal penetration is poorly characterized. No human dose-finding study exists for the blended product. Vendors do not consistently disclose the per-component mass split in their vials, and independent assay verification is rare.

Research-use framing only. SavePeptides sells nothing for human consumption. Doses above reflect reported research / self-experimentation ranges, not clinical recommendations.

Editorial perspective

Glow is marketed in the peptide-vendor ecosystem as a skin-and-hair-focused derivative of "Wolverine," substituting GHK-Cu for the pure tissue-repair stack. As of May 2026 there are no human trials of the blend, no published PK, and no published safety data. The GHK-Cu component has the strongest individual evidence base, with decades of cosmetic-dermatology literature and routine inclusion in topical anti-aging products; the BPC-157 and TB-500 components remain preclinical-only for these indications. Per-component dosing in commercial Glow vials varies between compounders and is rarely independently verified. Buyers relying on Glow for skin or hair outcomes should be aware that the supportive evidence is almost entirely from GHK-Cu cosmetic studies plus extrapolation from preclinical work on the other two components.

— SavePeptides editorial desk · last updated 2026-05-25

Cautions & contraindications

Before researching this compound, note:

  • No human safety, PK, or efficacy data for the blended product
  • Combined pro-angiogenic load from BPC-157 and TB-500 - theoretical concern in active or suspected malignancy
  • WADA-prohibited: TB-500/TB-4 is on the World Anti-Doping Agency Prohibited List; athletes subject to drug testing should not use
  • GHK-Cu may cause local irritation, hyperpigmentation, or copper-sensitivity reactions; chronic high-dose copper exposure is a theoretical concern
  • Not FDA- or EMA-approved as a drug; compounded formulation only
  • Pregnancy and breastfeeding - no reproductive-toxicity data
  • Vendor formulations vary in per-component mass and identity; "TB-500" identity is particularly poorly characterized
  • Injection-site reactions and topical contact dermatitis have been reported anecdotally
  • Unknown long-term effects of chronic angiogenic and ECM-remodeling signaling
  • Caution in Wilson disease or other disorders of copper metabolism (GHK-Cu)
  • Topical penetration of BPC-157 and TB-500 is poorly characterized

Facts verified

2026-05-25

Confidence

low

What this means

  • no human studies of the blend
  • TB-500 component identity often unverified by vendors
  • category reassigned from Recovery to Skin to better reflect marketed positioning

How we check →

Vendor data coming soon

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Research-use disclaimer.

SavePeptides surfaces vendor, pricing, and coupon information for research compounds. These products are not intended, approved, or recommended for human consumption. Our content is informational only and does not constitute medical advice.