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216 research listings from 2 vetted brands, 102 independent lab reports. Each brand keeps its full catalogue in its own store — pick one below or filter by research area.
HK Peptide
HK Peptide focuses on peptide research and synthesis, supplying 110+ high-purity research peptides in 10-vial kits. Batches are third-party tested by Janoshik (HPLC purity and content) with reports published per compound.
Uther Peptide
Uther Peptide manufactures and supplies research peptides in partnership with biomedical labs. Every batch is independently tested by Janoshik and published with a dated certificate of analysis — 250+ public test reports across 60…
Same compound, two brands, one fair price check
Best price per mg for each brand, calculated live from current listings.
Prices before the escrow fee. Price per mg uses the listed strength × vials in the kit.
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PNC-27 10mg (10 Vials / Kit)
$140.00 $1.40/mg
Vitamin B12 10mg (10 Vials / Kit)
$45.00 $0.45/mg
Vitamin B12 2mg (10 Vials / Kit)
$9.00 $0.45/mg
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PNC-27 10mg (10 Vials / Kit)
$140.00 $1.40/mgVitamin B12 10mg (10 Vials / Kit)
$45.00 $0.45/mgVitamin B12 2mg (10 Vials / Kit)
$9.00 $0.45/mgFilter Products
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Stairway to Gray lists research peptides for laboratory and educational use only. Nothing on this site is medical advice or intended for human consumption.
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