Peer-reviewed data, clinical mechanisms, and dosing frameworks — curated for researchers, practitioners, and informed enthusiasts.
TB-500 is a 7-aa fragment of thymosin beta-4 (43 aa, ~4,963 Da), not the full protein. Cross-COA review: ~67% of "TB-500" vials are actually full Tβ4.
Peptide reconstitution errors are the most common dosing mistake. Free calculator covering insulin syringe units, BAC water volumes, and vial concentration math.
Most peptide comparison content is vendor marketing. A mechanism-first framework for comparing any two peptides on data that actually predicts outcomes — plus a free tool.
Most peptide information online comes from vendors or academic databases too technical for practitioners. A free, clinical-grade 60+ compound library positioned between the two.
Most peptide buyers skip the research step. A 5-step workflow using free tools — comparison, dosing calculator, URL import, COA verification — before any money changes hands.
BPC-157 comes in 5mg and 10mg vials. Standard reconstitution with 2mL BAC water yields 2,500 mcg/mL. Full dose-to-unit table + free calculator.
Compounded tirzepatide typically ships in 30 mg or 60 mg vials. At 30 mg + 2 mL BAC water, a 2.5 mg starting dose is 17 U on a U-100 syringe. Full table + free calculator.
Compounded semaglutide in 5mg or 10mg vials reconstituted with 2mL BAC water. Standard 0.25mg starting dose = 5 units on U-100. Full titration table + calculator.
TB-500 uses loading (4-10mg 2x/week) then maintenance dosing. 10mg vial + 2mL BAC water = 5,000 mcg/mL. Full dose-to-unit table + calculator.
Sermorelin ships in 3mg, 5mg, 9mg, 15mg compounded vials. Standard 5mg + 2mL BAC water = 2,500 mcg/mL. 300 mcg pre-bed = 12 U on U-100 syringe.
Head-to-head comparison of BPC-157 and TB-500: mechanism, tissue specificity, dosing frequency, human evidence and whether stacking them adds value.
Ipamorelin hits ghrelin receptors, CJC-1295 is a GHRH analogue — complementary receptors. What each does alone, what stacking adds and DAC vs non-DAC.
Sermorelin stimulates endogenous GH via GHRH; exogenous HGH delivers the hormone directly. IGF-1, body comp, cost, safety and legal comparison honestly.
A 2025 review of 544 studies found just 1 human BPC-157 trial. Guide covers mechanisms, pharmacokinetics, dosing protocols and the evidence honestly.
SURMOUNT-5 head-to-head: tirzepatide delivered 20.2% weight loss vs 13.7% for semaglutide at 72 weeks. Mechanism, cost, access and what the data means.
TB-500 is a synthetic thymosin beta-4 fragment studied for soft-tissue repair, anti-inflammation and cardiac recovery. What the evidence actually shows.
CJC-1295 DAC raises GH 2-10x for 6+ days; ipamorelin adds a selective pulse without cortisol. The combined evidence, protocols and DAC vs non-DAC split.
Bremelanotide (Vyleesi) has been FDA-approved for HSDD in women since 2019. Acts centrally on melanocortin-4 receptors, not via PDE5. Full evidence review.
GHK-Cu raised collagen 28% on average (51% in the top quartile) in a 21-woman trial. Mechanism, evidence and what separates topical from injectable use.
Sermorelin raised IGF-1 by 117% in Vittone 1997 (JCEM). Mechanism, FDA history, dosing protocols and honest comparison to exogenous HGH.
Epitalon (Ala-Glu-Asp-Gly) activates telomerase and extended lifespan in multiple animal models. Reviews Khavinson 15-year human data, mechanism and dosing.
Thymosin Alpha-1 is the 28-aa thymic peptide behind Zadaxin (FDA Orphan Drug). Hepatitis B meta-analysis: 2.4x higher seroconversion vs interferon alone.
Semax is a Russian-approved ACTH(4-10) analogue that upregulates BDNF in the hippocampus without HPA axis activation. Mechanism, cognitive data and dosing.
MOTS-c is a 16-aa mitochondrial peptide that activates AMPK and cut HFD-induced obesity 40% in mice. The Kim 2015 data, the AMPK pathway and dosing.
NAD+ drops ~50% from age 20 to 50. Sirtuin/PARP/CD38 mechanisms, NR vs NMN vs direct IV evidence and what Brenner and Sinclair's studies actually show.
FDA testing found up to 40% of online peptides are incorrectly dosed. Here's the full checklist for vetting vendors, reading COAs, and researching before you buy.
BPC-157 is one of the most counterfeited research peptides online. Here's exactly how to verify purity, read a COA, and what the evidence says about its mechanisms.
Sermorelin is registered as a Category 1 compoundable peptide — the only legal route is a licensed compounding pharmacy with a physician prescription.
Compounded tirzepatide costs $229–349/month vs $1,000+ for Zepbound. Here's the legal landscape, how 503A compounding works, and what quality checks actually matter.
TB-500 has zero human clinical trials and no legal compounding route. How the grey-market works, what purity means here and why research comes first.
Ipamorelin and CJC-1295 were removed from FDA Category 2 in Sept 2024 and may return to Category 1 compounding access. Regulatory status and sourcing.
PT-141 (bremelanotide / Vyleesi) has been FDA-approved since 2019 — the only approved peptide for sexual dysfunction. Legal access and off-label use.
GHK-Cu is Category 2 for injectable compounding but freely available as a cosmetic topical. Which formulation matches the clinical evidence, by route.
The FDA declared the semaglutide shortage over in Feb 2026, ending most compounding access. Legal options now — brand, patient aid and exceptions.
