GLOW calculator
A branded supplier blend, typically combining GHK-Cu with repair peptides like BPC-157 and TB-500. Composition varies by supplier and is unregulated.
Also known as: Glow blend, GHK-Cu / BPC-157 / TB-500 blend
FDA status — not an approved drug Not FDA-approved. GLOW is a compounded blend of unapproved peptides; the components are not FDA-approved and the blend is not reviewed for safety or quality.
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What GLOW is
GLOW is a branded name used by peptide suppliers for a blend, most often combining the copper peptide GHK-Cu with repair peptides such as BPC-157 and TB-500. There is no standardized formula — composition and doses differ between suppliers — and the blend has no clinical evidence as a product.
Research depth: 1/5 No evidence for the blend itself; only individual-component preclinical data exists. Human trials: None for the blend. This measures how much has been studied — counting animal and laboratory work — not whether it works for you.
How GLOW works
The blend is marketed on the combined rationale of its components: GHK-Cu for skin and connective tissue, BPC-157 and TB-500 for tissue repair. Because no standard formula exists and none of the components have randomized human trial support for these uses, the blend's effects are uncharacterized.
GLOW side effects
Commonly reported
- Injection-site irritation
- Blue tint if it contains GHK-Cu
- No standardized composition — effects vary by product
Serious — seek medical care
- Unstudied blend with variable composition
- Quality, purity, and dosing vary widely among suppliers
- Theoretical angiogenesis concern from the repair-peptide components
This list is not exhaustive. Report anything unexpected to the clinician who prescribed it. If you have severe abdominal pain, trouble breathing, or signs of an allergic reaction, seek care the same day. See also our guide to peptide side effects by class.
A worked example
A 30 mg vial reconstituted with 3 mL of bacteriostatic water gives 10 mg/mL. A 2000 mcg dose is then 0.2 mL — about 20 units on a 100-unit insulin syringe, giving roughly 15 doses per vial before accounting for residual volume left in the vial and syringe.
Prefer paper? Download the printable GLOW dosing chart (PDF) — every vial size and water volume in syringe units, with the same review byline as this page. All charts →
Commonly cited dose range
Figures circulating for GLOW run from 1000 mcg to 5000 mcg. GLOW blends have no standardized composition — amounts vary by supplier. Figures shown are reference points only and do not describe a studied product. Dosing depends entirely on the specific formulation.
Read this as reference information, not instruction. These numbers describe what is commonly discussed, not what is right for any individual. Dose, frequency, and whether to use GLOW at all are decisions for a licensed clinician who knows your history.
Common questions
What's in a GLOW blend?
There is no standard recipe. It is typically a mix of GHK-Cu with repair peptides such as BPC-157 and TB-500, but the exact components and amounts vary by supplier. Always check the specific product's label.
Is GLOW approved?
No. It is a compounded blend of unapproved peptides with no standardized formulation and no clinical evidence as a product.