The Peptide Directory is a source-linked peptide directory: research vendors, telehealth programs, clinics, compound guides and calculators, with every fact linked to the public source we checked and the date we checked it.https://thepeptide.directoryenhttps://thepeptide.directory/blog/are-peptides-legalhttps://thepeptide.directory/blog/are-peptides-legalApproved peptides are legal with a prescription; most 'research peptides' are unapproved drugs. How FDA approval, compounding and RUO labels fit together.Mon, 19 Oct 2026 00:00:00 GMTGuideshttps://thepeptide.directory/blog/bacteriostatic-water-guidehttps://thepeptide.directory/blog/bacteriostatic-water-guideBacteriostatic water is sterile water with 0.9% benzyl alcohol for multi-dose vials. What the label says, how volume sets concentration, and the math.Mon, 19 Oct 2026 00:00:00 GMTGuideshttps://thepeptide.directory/blog/fda-advisory-vote-bpc-157-compounding-2026https://thepeptide.directory/blog/fda-advisory-vote-bpc-157-compounding-2026On July 23, 2026 FDA advisers voted 8–6 to recommend BPC-157, TB-500 and KPV for the 503A bulks list. The vote is non-binding; compounding isn't legal yet.Mon, 19 Oct 2026 00:00:00 GMTNewshttps://thepeptide.directory/blog/how-to-read-a-peptide-certificate-of-analysishttps://thepeptide.directory/blog/how-to-read-a-peptide-certificate-of-analysisA peptide COA should name the lab, lot number, test date, method and result. Here are six checks for HPLC purity, mass-spec identity, endotoxin and lot matching.Mon, 19 Oct 2026 00:00:00 GMTGuideshttps://thepeptide.directory/blog/how-to-store-peptideshttps://thepeptide.directory/blog/how-to-store-peptidesWhat FDA labels say about storing peptide drugs like Wegovy and Zepbound, and what that implies for powdered and reconstituted research peptides.Mon, 19 Oct 2026 00:00:00 GMTGuideshttps://thepeptide.directory/blog/retatrutide-triumph-phase-3-results-2026https://thepeptide.directory/blog/retatrutide-triumph-phase-3-results-2026Lilly reported up to 20.8% weight loss in TRIUMPH-2 and 22.6% in TRIUMPH-3 at 80 weeks on retatrutide 12 mg. Still investigational; a BLA is planned for Q1 2027.Mon, 19 Oct 2026 00:00:00 GMTResearchhttps://thepeptide.directory/blog/semaglutide-dosagehttps://thepeptide.directory/blog/semaglutide-dosageWegovy injection: 0.25 mg weekly, rising to 0.5, 1 and 1.7 mg, then 2.4 mg from week 17; 7.2 mg is optional. Tablets reach 25 mg daily by day 91.Mon, 19 Oct 2026 00:00:00 GMTGuideshttps://thepeptide.directory/blog/semaglutide-side-effectshttps://thepeptide.directory/blog/semaglutide-side-effectsOn Wegovy 2.4 mg, 44% had nausea vs 16% on placebo, and 73% had a GI effect. Label rates for each common side effect, the serious warnings and the gaps.Mon, 19 Oct 2026 00:00:00 GMTGuideshttps://thepeptide.directory/blog/third-party-peptide-testinghttps://thepeptide.directory/blog/third-party-peptide-testingWhich outside labs peptide vendors name (Janoshik, Vanguard, Freedom Diagnostics, Chromate and more), what their tests show and what they cannot prove.Mon, 19 Oct 2026 00:00:00 GMTGuideshttps://thepeptide.directory/blog/tirzepatide-dosagehttps://thepeptide.directory/blog/tirzepatide-dosageZepbound starts at 2.5 mg weekly for 4 weeks, then 5 mg, rising 2.5 mg at least 4 weeks apart to a 5, 10 or 15 mg maintenance dose. Label-sourced.Mon, 19 Oct 2026 00:00:00 GMTGuideshttps://thepeptide.directory/blog/tirzepatide-side-effectshttps://thepeptide.directory/blog/tirzepatide-side-effectsNausea hit 25–29% of Zepbound users vs 8% on placebo; most GI effects came during dose escalation. Every rate below is from the FDA label, with the source linked.Mon, 19 Oct 2026 00:00:00 GMTGuideshttps://thepeptide.directory/blog/wegovy-hd-7-2mg-approvalhttps://thepeptide.directory/blog/wegovy-hd-7-2mg-approvalFDA approved Wegovy HD (semaglutide 7.2 mg weekly) on March 19, 2026 for adults who have tolerated 2.4 mg for at least 4 weeks and need more weight loss.Mon, 19 Oct 2026 00:00:00 GMTNewshttps://thepeptide.directory/blog/what-research-use-only-meanshttps://thepeptide.directory/blog/what-research-use-only-means"Research use only" means a product is not for human or veterinary use and is not made or reviewed as a drug. What that implies for quality and legality.Mon, 19 Oct 2026 00:00:00 GMTGuideshttps://thepeptide.directory/blog/wolverine-stack-bpc-157-tb-500https://thepeptide.directory/blog/wolverine-stack-bpc-157-tb-500The wolverine stack pairs BPC-157 and TB-500 for injury recovery. Neither is FDA-approved, both are banned in sport, and no study has tested the pair.Mon, 19 Oct 2026 00:00:00 GMTResearch