Finally, peptides explained simply.
A peptide is a chain of amino acids joined by peptide bonds. Some peptides carry signals between cells.
Find your starting point.
Pick a goal to see the peptides for it.
Start with the essentials.
Three short ideas that make every peptide page easier to read.
- 01
What is a peptide?
Chains of amino acids. Some carry signals between cells.
- 02
Single, dual and triple agonists
Semaglutide (Ozempic, Wegovy) works on 1 receptor, tirzepatide (Mounjaro, Zepbound) on 2, retatrutide on 3. Retatrutide is still in trials.
- 03
The other kinds
Beyond weight loss there are recovery, muscle, skin, brain and sleep peptides. Here are names people know in each.
Video coming soonBrowse every peptide
Most looked up.
All 254BPC-157
Studied mainly in animals. Human tissue-repair efficacy is unproven.
Retatrutide
Weight loss. A weekly shot still in trials.
- Approved drug
Semaglutide
Weight and blood sugar. Approved as Wegovy and Ozempic.
Approved drug - Approved drug
Tirzepatide
Weight and blood sugar. Approved as Zepbound and Mounjaro.
Approved drug TB-500
The LKKTETQ fragment. Human fragment identity and efficacy remain unverified.
BPC-157 + TB-500
A reported combination. Fixed-blend recovery benefit is unproven.
Just bought a vial?
For lyophilised injectable vials: follow the product's diluent and preparation instructions.
- 1Swab the stopperSwab it with alcohol first, every time.
- 2Add the water slowlyLet it run down the glass.
- 3Swirl, don't shakeSwirl until it dissolves.
- 4Store as labelledTemperature and discard time depend on the exact formulation.
Vial size (mg) and the water you add (mL) set the strength. The calculator turns your dose into units on a U-100 syringe.
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