Which should you choose? Here's what you need to know.
B7-33 and GLOW are both recovery / healing peptides, but they work differently. A shortened form of relaxin, studied for scarring and tissue fibrosis. A blended vial combining GHK-Cu with recovery peptides, sold for skin and tissue repair. Exact ratios differ by vendor — check the COA. Compare vendor pricing and availability below.
On 20 Sep 2026 Peptide Compare tracked 3 vendors selling B7-33, cheapest in stock $10.33 per mg at Biotech Peptides, and 40 selling GLOW, cheapest $0.762 per mg at Modern Research.
A shortened form of relaxin, studied for scarring and tissue fibrosis.
A blended vial combining GHK-Cu with recovery peptides, sold for skin and tissue repair. Exact ratios differ by vendor — check the COA.
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options. Prices verified Sep 20, 2026.
Our top-rated vendor for each, based on trust scores, purity testing, and price.
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We re-check vendor prices continuously and score vendors on Finnrick blind-test results — samples bought anonymously and sent to a lab, not vendor claims. No vendor can pay to rank higher. See our full methodology.