Guides

Peptide guides, written straight

No hype, no filler. How each peptide works and what the research shows, plus how we verify every batch.

Peptide guides
Weight management

Tirzepatide

How the strongest GLP-1 works and what trials show.

Weight management

Semaglutide

The GLP-1 behind Ozempic and Wegovy, explained.

Weight management

Retatrutide

The triple agonist with the highest trial numbers.

Recovery

BPC-157

The most-discussed recovery peptide.

Recovery

TB-500

The recovery partner to BPC-157.

Skin and beauty

GHK-Cu

The science-backed copper peptide for skin.

Wellness

Glutathione

The body's master antioxidant.

Longevity

NAD+

The longevity coenzyme, explained.

How-to and quality
The Purivial standard

Peptide COAs Explained: How We Verify Every Batch

What a COA proves and why every order ships with one.

Weight management

Tirzepatide vs Semaglutide vs Retatrutide

Mechanism, trial weight loss, and approval compared.

Protocol

How to Reconstitute Peptides

Bac water, dosing math, and storage, step by step.

Tool: Peptide reconstitution calculator →