Enter your vial size and bacteriostatic water, then the target dose in milligrams. The calculator returns the concentration and the units to draw on a U-100 syringe.
Reviewed for accuracy · Last reviewed July 7, 2026The example mixes a 5 mg vial with 2 mL of water for 2.5 mg/mL, where a 2.5 mg dose is 1 mL, or 100 units. Community protocols commonly cite roughly 2 to 2.5 mg once or twice weekly.
There are no controlled human trials of TB-500, and it is not FDA-approved. Treat any dose figure as community practice rather than a guideline, and note it is prohibited in drug-tested sport.
This page is an independent educational reference and is not medical advice, and does not indicate any approval status for any use. Talk to a doctor before starting any compound.