Glow up using peptides with Erica
Welcome to Pepgirl.com — a wellness and peptide education hub for peptide researchers. Explore trusted vendors, science-backed protocols, and tools designed to help you thrive in your research lab.
Eleven years ago, I made one of the biggest decisions of my life — weight loss surgery. It gave me a fresh start, but over time the weight crept back, and with it came years of frustration, shame, and feeling like I had failed myself. I tried everything to get back on track and nothing seemed to work.
Then on June 1st, 2025, everything changed.
I discovered GLP-1 peptides and within a year I lost 90 pounds. Not just the weight — I got my confidence back, my energy back, my life back. What started as my own desperate search for answers turned into a full-on passion for research. I started digging into peptides, vendors, pricing, and protocols because I needed to know everything — and once I did, I couldn't stop sharing it with others.
Everything a Pep Girl needs
Vendor Directory
Trusted research peptide suppliers, COA-verified and pre-vetted.
Calculator Suite
Reconstitution math, TDEE energy needs, and BMI — all in one place.
Peptide Price Tool
Compare every peptide, size, and vendor — sorted cheapest first.
Resources & Guides
Curated guides, protocols, supply lists, and trusted references.