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High-purity research peptides, verified batch by batch.

Third-party tested for identity and purity. Every order ships with a batch-specific Certificate of Analysis. For laboratory research use only.

✓ ≥98–99% HPLC purity ✓ Batch-specific COA ✓ Mass-spec verified ✓ Fast, discreet shipping

🔬 Third-party lab tested 📄 COA with every order 🚚 Same-day dispatch 🔒 Secure checkout

Best Sellers

Our most-ordered research peptides.

Most Popular RP-1
RP-1 Research Peptide 5 mg · ≥99% · Lyophilized powder ★★★★★ 4.9 (1,284)
$62.00 $78.00
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RP-2
RP-2 Research Peptide 10 mg · ≥99% · Lyophilized powder ★★★★★ 4.8 (2,140)
$74.00
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Multi-vial stacks — separate sealed vials, supplied together at a lower price.

All compounds — tested, verified, and documented.

Most Popular RP-1
RP-1 Research Peptide 5 mg · ≥99% · Lyophilized powder ★★★★★ 4.9 (1,284)
$62.00 $78.00
View
RP-2
RP-2 Research Peptide 10 mg · ≥99% · Lyophilized powder ★★★★★ 4.8 (2,140)
$74.00
View
RP-3
RP-3 Research Peptide 5 mg · ≥98% · Lyophilized powder ★★★★★ 4.9 (806)
$58.00
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RP-4
RP-4 Research Peptide 10 mg · ≥99% · Lyophilized powder ★★★★★ 4.7 (1,533)
$68.00 $79.00
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RP-5
RP-5 Research Peptide 5 mg · ≥98% · Lyophilized powder ★★★★★ 4.8 (612)
$64.00
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RP-6
RP-6 Research Peptide 5 mg · ≥98% · Lyophilized powder ★★★★★ 4.6 (430)
$54.00
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New RP-7
RP-7 Research Peptide 10 mg · ≥99% · Lyophilized powder ★★★★★ 4.9 (298)
$82.00
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RP-8
RP-8 Research Peptide 5 mg · ≥98% · Lyophilized powder ★★★★★ 4.7 (967)
$48.00
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≥99% HPLC Purity

Batch COA

Mass-Spec Verified

Cold-Chain Handling

★★★★★ 4.8 average

Verified buyer★★★★★

Consistent purity, COA matched the lot, and shipping was fast. Reordering.

Verified buyer★★★★★

Documentation is thorough and the analytics were exactly as listed.

New compounds, restocks, and catalog updates.