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ADVANCED CELLULAR OPTIMIZATION

Precision Peptides for Peak Longevity

Upgrade your internal architecture with high-purity peptides engineered for total systemic rejuvenation.

As Seen In

GQVogueThe New York TimesThe Wall Street JournalForbesCosmopolitanMuscle & Fitness

Optimize Your Health

SHOP BY FORMAT

Pick your delivery method.

Two ways to take your peptide protocol — prefilled click-dose pens for the simplest at-home routine, or lyophilized vials for the flexibility of mixing your own doses.

ANALYSIS + RECOMMENDATIONS

Customized Peptide Protocols

Upload a recent blood panel and the analysis tool reads it, scores your biomarkers across hormones, metabolic health, and inflammation, then maps the out-of-range markers to the peptide products best suited to resolve them. The output is a starting protocol grounded in what your own labs actually show — not a generic stack.

Review with your provider or select from one of our preferred peptide specialists.

OUR PRODUCTS

Browse our catalog

Are you a medical provider?

Add peptides to your practice.

Leverage our turnkey solution with proven ROI.

G1's proprietary platform gives your practice everything it needs to launch a peptide program on day one: 24-hour patient monitoring, on-demand telehealth consultations, and AI-powered blood lab analysis that turns every result into a personalized protocol. It's continuous, connected care for your patients — and a new, recurring revenue stream for your practice, all under your brand.

A G1 Peptides provider in black scrubs reviewing the patient-monitoring dashboard on a tablet in a modern med spa clinic

FDA-Registered Facility

Compounded in 503A/B-registered pharmacies

Third-Party Tested

Every batch verified by independent labs

US Compounded

Made in the United States

Cold-Chain Shipping

Temperature-controlled to your door

Secure Checkout

PCI-compliant payments, encrypted end-to-end

Practitioner Network

Licensed providers oversee every protocol