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Double R labs Reviews — Frequently Asked Questions
Is Double R labs legit?
Double R labs is reviewed by the Peptide Critic community. We recommend checking the community reviews below and confirming a third-party COA for your batch before research use.
Does Double R labs provide third-party COAs / lab testing?
COA availability for Double R labs varies — we always recommend requesting a current third-party Certificate of Analysis for your batch before research use.
Does Double R labs have a coupon or discount code?
We do not currently track an active coupon code for Double R labs. Check the coupon box on this page and our /coupon-codes index for the latest verified deals.
Where is Double R labs located?
Double R labs is based in the United States. Always verify current shipping origin at checkout.
What the community says about Double R labs
Recent discussion from the Peptide Critic community forum.
This is the official discussion thread for a vendor on PeptideCritic.com. View the vendor profile: Double R labs Share your experiences with this vendor, ask questions, or add information that might help other community members. Please keep discussions respectful and factual.
@Randy Also I would give a brownie point to Double R as they are displaying true COAs, not forging, and that's why also selling these at almost 50% discounts. People can choose, although many people don't do the due diligence of checking COAs before and after ordering.
Selling low purity compounds. Insists on being listed so here we are. This is the explanation for the low purity compounds "Regarding the Epitalon, that particular lot is nearly depleted and was retained because the testing laboratory explained that Epitalon can present unique analytical challenges compared to many…
@Randy At least that should make people feel better about Kovera not being in bed with anyone