This database is an educational reference, not medical advice and not a recommendation to use anything on it. The majority of these compounds are not approved for human use in any jurisdiction and are sold for laboratory research only. Purity, dosing accuracy and even identity vary enormously between suppliers.
Every dose shown is what published studies and long-running community practice report — a starting point for understanding, not a prescription. Interactions, contraindications and individual response are real. Get bloodwork, tell your doctor what you are actually taking, and never let a calculator override a clinician.
The calculator does arithmetic on the numbers you give it. It cannot know whether your vial is really 10 mg, whether your water is sterile, or whether the dose you typed is sane. Check every result before it becomes an injection.