What does half-life mean?

Half-life is the time it takes for the amount of a compound in your body to drop by half. After about four to five half-lives, most of it is gone. Our half-life reference puts every compound on one scale, so you can see how long each one sticks around.

Educational use only. This database summarizes published research and is not medical advice. Where a dose appears it is a record of what a trial or clinic ran, or what people describe doing, with its source attached. Nothing here is a recommendation for personal use.

Part of the basics. What peptides are, and how to read this database.