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Research Use Only. Products listed are not for human or animal consumption. Statements have not been evaluated by the FDA.View full disclaimers →
Last checked by Adam Dan
Sparta Labs is a U.S. research peptide supplier launched in 2026. It lists 26 compounds and was below the market median on 8 of the 26 we compared.
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Size 10 mg
Size
In stock
$4.25/mg · seen 7w ago
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Size 10 mg
Size
In stock
$4.25/mg · seen 7w ago
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Size 1,500 mg
In stock
$0.045/mg · seen 7w ago
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Size 5 mg
Size
In stock
$10.20/mg · seen 7w ago
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Size 10 mg
In stock
$4.68/mg · seen 7w ago
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Size 10 mg
Size
In stock
$4.25/mg · seen 7w ago
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Size 5 mg
Size
In stock
$11.90/mg · seen 7w ago
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Size 5 mg
Size
In stock
$5.10/mg · seen 7w ago
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Size 10 mg
Size
In stock
$6.80/mg · seen 7w ago
View COATested by Independent laboratory
Launched in 2026, Sparta Labs offers research peptides from the U.S. The range we follow is 26 compounds in 55 listings, all available at the September check. On Trustpilot it holds a 4.3 out of 5 rating. You can pay with Visa, Mastercard, Apple Pay, Google Pay, Cash App Pay and Amazon Pay. Some products come in several strengths; Tirzepatide, for example, is sold in four. You'll find Retatrutide, Tirzepatide, Tesamorelin, TB-500 and Epitalon near the top of its range. The certificate links all lead to a single page on Sparta Labs' site; the report for your lot should be listed there. Sparta Labs says testing is done by an independent lab. For delivery, the supplier quotes same-day dispatch before 4 PM ET; 2–5 business days standard delivery; FedEx or USPS. PepLookup doesn't sell its products; orders go through Sparta Labs' own site, for laboratory research use only.
Shop selectively at Sparta Labs. It came in under the typical price on 8 compounds and at or over it on 18. Standouts include Semaglutide (49% under the median), GHK-Cu (18% under the median) and Tirzepatide (17% under the median). Buyers on Trustpilot give it 4.3 out of 5. It takes Visa, Mastercard, Apple Pay, Google Pay and Cash App Pay, so most buyers can check out the way they prefer. There's also a 15% code: PEPLOOKUP.
Sparta Labs sits in the middle of the market on price. Semaglutide ranked 6 of 46 suppliers at about 49% under the median, and GHK-Cu came 24 of 79. The gap runs the other way on DSIP (about double the median) and Sermorelin (about double the median). Open any compound's comparison page to see it side by side with 84 other suppliers.
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