Research Formulation Reference
GLOW Research Peptide Blend
GLOW is a multi-component research peptide blend combining GHK-Cu, TB-500 and BPC-157 in a single co-lyophilised vial. This reference identifies each component chemically and explains how a three-analyte formulation is documented analytically.
For research use only. Not for human consumption.
Formulation composition
- GHK-Cu50 mg
- Copper(II) complex of the tripeptide Gly-His-Lys
- TB-50010 mg
- Synthetic peptide supplied under the TB-500 research designation
- BPC-15710 mg
- Synthetic pentadecapeptide, sequence GEPPPGKPADDAGLV
- Total peptide content70 mg
- Per sealed vial, lyophilised
Chemical identity reference
- Formulation name
- GLOW
- Common synonyms
- GLOW peptide, GLOW peptide blend, GHK-Cu BPC-157 TB-500 blend
- Format
- Co-lyophilised three-component blend, 70 mg total, sealed vial
- Research classification
- Multi-component synthetic research peptide formulation
- Analytical approach
- Per-component HPLC-DAD (area %), with identity reported as conforming by retention-time and UV/DAD comparison against a reference standard
What a multi-component formulation is
GLOW is not a single chemical entity. It is a defined mixture of three separately synthesised research peptides, combined at stated amounts and freeze-dried together in one vial. Each component retains its own chemical identity, its own molecular data and its own analytical profile.
That has a direct consequence for documentation: there is no single meaningful purity figure for a blend. A report that characterises GLOW reports each component separately against its own label claim, which is why the analytical documentation for this formulation is presented as a component table rather than one number.
Component identity
GHK-Cu is the copper(II) complex of the tripeptide glycyl-L-histidyl-L-lysine (Gly-His-Lys), CAS 89030-95-5. It is the largest component of the formulation by mass at 50 mg.
BPC-157 is a synthetic pentadecapeptide with the sequence GEPPPGKPADDAGLV, molecular formula C62H98N16O22, CAS 137525-51-0, present at 10 mg.
TB-500 is supplied under a research designation that is applied to either full-length thymosin β4 or its actin-binding fragment Ac-LKKTETQ depending on the supplier; it is present at 10 mg. The analytical report issued for a given batch states which analyte was characterised.
Analytical methodology for blends
Each component is resolved chromatographically by HPLC-DAD and reported as an individual area-percent purity value alongside the measured content against its stated label claim. Identity for each component is reported as conforming by retention-time and UV/DAD comparison against a reference standard; current reports do not include mass-spectrometry results.
Because the components differ substantially in size and polarity, resolving all three in one run is a method-development exercise in its own right; a report should therefore state the method used, not only the results.
Reading the analytical documentation
A Certificate of Analysis links a submitted sample to the analytical work performed on it. Current Vial Drop Labs reports are produced by validated HPLC-DAD methodology and answer two separate questions — what the material is, and how much of it is present.
- Identity — on current Vial Drop Labs reports, identity is reported as conforming on the basis of retention time and UV/DAD spectral comparison against a reference standard. Current reports do not include mass-spectrometry results.
- Purity — HPLC separates the dissolved sample across a column; the target peak's share of total integrated peak area is reported as an area-percent purity figure.
- Content — peptide and compound reports separately state the content per vial in mg against the stated label claim. Chromatographic purity and content per vial are two different measurements and should not be read as one.
- Sample scope — the report identifiers and test date describe the randomized sample the laboratory received and the batch it was drawn from as supplied to the laboratory. Recording the certificate ID alongside your own experimental records keeps the analytical record resolvable.
- Scope — a report describes only the specific sample submitted. Unless a report expressly states otherwise, it does not assess sterility, endotoxin, microbial content, heavy metals or residual solvents, and it is not a safety or fitness-for-use determination.
How Vial Drop publishes analytical documentation
Vial Drop Labs publishes independent analytical reports for tested research materials, with available reports accessible through the Research Documentation portal against the research material and the sample identified on each report. Each analytical report applies only to the sample submitted for analysis and should not be interpreted as testing of every vial or production unit.
Not every report is publicly listed. Where no report has been published for a material, the portal shows none rather than substituting another material's, strength's or batch's results. Documentation is never averaged, combined, or extrapolated between lots.
Current reports are issued by an independent third-party analytical laboratory using validated HPLC-DAD methodology. They report chromatographic purity as area %, content per vial against label claim, and identity as conforming by retention-time and UV/DAD comparison against a reference standard. Current reports do not include mass-spectrometry results.
Vial Drop Labs makes no representation that material is pharmaceutical grade, clinical grade, sterile, safe, or approved by any regulatory authority. Published documentation states exactly what was tested, by which method, and on which date — nothing further should be inferred from it.
Laboratory storage and handling
Material is supplied lyophilised in a sealed glass vial. General laboratory practice for lyophilised peptides applies: store sealed at -20 °C for long-term storage, protect from light, and minimise exposure to atmospheric moisture.
Allow a cold sealed vial to equilibrate to ambient temperature before opening so that atmospheric moisture does not condense onto the dry cake. Lyophilised peptide material is hygroscopic, and repeated warm/cold cycling of an opened vial is the most common cause of avoidable degradation in a laboratory setting.
Handle as an uncharacterised laboratory chemical using standard laboratory protective equipment and institutional handling procedures.
Research use only
This material is supplied strictly as a laboratory research chemical. It is not a drug, supplement, cosmetic, food or medical device, and it is not manufactured, labelled or sold for human or animal use of any kind.
Vial Drop Labs does not provide, and cannot provide, dosing, administration, preparation-for-use, therapeutic or clinical guidance. Published information is limited to chemical identity, laboratory handling and analytical documentation.
Research catalog access
Availability for research materials is shown to signed-in customers with a confirmed 21+ attestation.