The legal stuff. By using this site you agree to these terms.
Last updated: May 5, 2026
GLP1Calculator.com ("the Service") is an educational tool. All calculators, charts, schedules, and articles are for informational reference only and do not constitute medical advice, diagnosis, or treatment. The Service is not a substitute for professional medical care.
Semaglutide, tirzepatide, retatrutide, and other GLP-1 receptor agonists are prescription medications in the United States and most other countries. Use without a valid prescription is illegal. Self-prescribing or unsupervised use can cause serious harm. Always work with a licensed healthcare provider.
Our calculators use standard pharmacological formulas (concentration = vial mg ÷ BAC water mL; volume = dose ÷ concentration; units = volume × 100). The math is simple but final dose decisions are your responsibility. Always verify with your prescriber or pharmacist.
The Plasma Level Plotter uses published population pharmacokinetic parameters and a one-compartment subcutaneous absorption model. Real plasma levels in any individual may vary substantially due to body composition, metabolism, injection site, and other factors.
The Service is provided "as is" without warranties of any kind, express or implied. We don't guarantee that calculations will be error-free, that the site will be available 24/7, or that any information is current.
To the fullest extent permitted by law, GLP1Calculator.com and its operators are not liable for any direct, indirect, incidental, consequential, or punitive damages arising from use of the Service, including but not limited to dosing errors, adverse reactions, or financial loss.
Some pages on this site contain affiliate links to VialCase for peptide vial cases. We earn a small commission on qualifying purchases at no additional cost to you. We only link products we'd use ourselves.
GLP1Calculator.com is independent and not affiliated with, endorsed by, or sponsored by Novo Nordisk (Ozempic, Wegovy, Rybelsus), Eli Lilly (Mounjaro, Zepbound), or any pharmaceutical manufacturer or pharmacy.
Don't try to overload, scrape, hack, or otherwise abuse the Service. Don't impersonate us. Don't use the Service in any way that violates applicable law.
We may update these terms at any time. Continued use after changes means you accept the new terms.
These terms are governed by the laws of the United States. Any disputes will be resolved in US courts.
Questions about these terms? See our contact page.