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Biochemicals

Every batch is independently tested for identity and purity. Pick a size, mix and match, and your bundle savings apply automatically.

CoA with every batch Same-day dispatch before 5 PM PT Free U.S. shipping over $125

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HALLOWEEN SPECIAL

20% OFF STOREWIDE

Save on your order with our Halloween promotion.

USE CODE wcl20

Enter the code at checkout. Offer ends October 31, 2026.

>99% Purity -20% 5.00
10MG, 20MG GLP-3 (Retatrutide) 10MG | 20MG

GLP-3 (Retatrutide) 10MG | 20MG

Premium GLP-3 (Retatrutide) research peptide with >99% purity verified through third-party testing. Avalible in 10MG and 20MG vial amounts. COA…

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$60.00$48.00Save $12.00 (20% OFF)With code wcl20 at checkout

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>99% Purity -20% 5.00
10MG, 20MG Tesamorelin - 10MG | 20MG

Tesamorelin - 10MG | 20MG

Premium Tesamorelin research peptide with >99% purity verified through third-party testing. Avalible in 10MG and 20MG vial amounts. COA included.

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$55.00$44.00Save $11.00 (20% OFF)With code wcl20 at checkout

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>99% Purity -20% 5.00
10MG, 20MG MOTS-C 10MG | 20MG

MOTS-C 10MG | 20MG

Premium MOTS-C research peptide with >99% purity verified through third-party testing. Avalible in 10MG and 20MG vial amounts. COA included.

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$35.00$28.00Save $7.00 (20% OFF)With code wcl20 at checkout

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>99% Purity -20% 5.00
GHK-CU - 100MG GHK-CU - 100MG

GHK-CU - 100MG

Premium GHK-CU research peptide with >99% purity verified through third-party testing. Avaliable in 100MG vial amount. COA included.

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Single vial Single vial
$50.00$40.00Save $10.00 (20% OFF)With code wcl20 at checkout

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>99% Purity -20% 5.00
IGF-1 LR3 - 1MG IGF-1 LR3 - 1MG

IGF-1 LR3 - 1MG

Premium IGF-1 LR3 research peptide with >99% purity verified through third-party testing. Available in 1MG vial amount. COA included.

Size

Single vial Single vial
$65.00$52.00Save $13.00 (20% OFF)With code wcl20 at checkout

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Strict Laboratory Research & Educational Compliance Notice

All compounds and research peptides supplied by Westcoast Labs are for laboratory research and development use only. Not for human consumption, therapeutic or diagnostic applications. Products are not drugs, foods, cosmetics, or medical devices.