Shop › TZ - 15 MG (for research purposes only) Image 1 of 1 TZ - 15 MG (for research purposes only) $150.00 TZ (Tirzepatide) - 15mg vial. Available for Research Purposes Only. Not for Human Consumption. Quantity: Add To Cart Added! TZ (Tirzepatide) - 15mg vial. Available for Research Purposes Only. Not for Human Consumption.