Guides
How-to guides, research breakdowns, and reference articles on peptides, providers, and compounding pharmacies.
Dosage Tools
Provider & Compliance Guides
Peptide Therapy Near Me: How to Find a Verified Local Provider
Find peptide therapy near you: 2,200+ verified US providers across 52 states, including telehealth platforms for states with limited local access.
Read guide →9 minHow PeptideBase Verifies Providers
The PeptideBase directory lists 3,136 active providers. Here's exactly what we check — and what we don't — before we assign a verified badge.
Read guide →6 minIs BPC-157 Legal in the US? 2026 State Guide
BPC-157 isn't federally scheduled, but FDA classifies it as an unapproved drug. State rules vary. Two supply chains, 500+ US providers — full 2026 state-by-state breakdown.
Read guide →14 minHow to find a legitimate peptide provider: the verification checklist most guides skip
An eight-step checklist for vetting peptide providers — licensing lookups, COA verification, telehealth evaluation, and the red flags that should stop the process.
Read guide →13 min503A vs 503B Compounding Pharmacies: What's the Difference?
503A pharmacies compound per prescription. 503B are FDA-registered outsourcing facilities. What the difference means for peptide sourcing in 2026.
Read guide →5 minResearch Peptide Vendors: What COA and HPLC Testing Actually Mean
A third-party COA is the minimum bar. What HPLC purity, mass spec confirmation, and batch traceability actually mean for research peptide vendors.
Read guide →8 minHow to Find a 503A Compounding Pharmacy for Peptides
How to find a legitimate 503A compounding pharmacy for peptides: what to verify, what to ask about sterile compounding, and red flags to watch for.
Read guide →8 min
Research Guides
Peptides for Weight Loss: GLP-1 Agonists, Growth Hormone Fragments, and What the Research Shows
GLP-1 agonists, GH-releasing peptides, and growth hormone fragments studied for fat loss — research summaries and verified US providers.
Read guide →13 minFive Signals That a Longevity Research Project Is Worth Your Time
PeptideBase analyzed 545+ longevity providers to identify the signals that separate credible DeSci research projects from noise. Here's the framework.
Read guide →9 minWhat Is TB-500 (Thymosin Beta-4)? Research, Effects & Providers
TB-500 mimics Thymosin Beta-4 — studied for tissue repair and recovery in animal models. Covers mechanism, evidence quality, and US provider availability.
Read guide →5 minPT-141 (Bremelanotide): What the Research Shows
PT-141 targets brain melanocortin receptors — distinct from PDE5 inhibitors. Research summary on bremelanotide, evidence quality, and US provider data.
Read guide →7 minSemaglutide vs Tirzepatide: Mechanisms, Outcomes, and the Compounding Pharmacy Landscape
Semaglutide and tirzepatide compared on mechanism, clinical trial outcomes, and 2026 compounding pharmacy availability in the US.
Read guide →13 minNAD+: What the Research Shows About Cellular Energy and Longevity
NAD+ declines with age. What peer-reviewed research shows about supplementation, NR vs NMN precursors, and where the longevity evidence actually stands.
Read guide →6 minBPC-157: What the Research Shows About This Recovery Peptide
30 years of animal research on BPC-157 — mechanisms, evidence quality, and what's confirmed vs. commonly claimed about this recovery peptide.
Read guide →13 min
Platform Guides
The Peptide Research Digest
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