In studies at the University of California at San Francisco, young (age 2025), male medical students were found to have about 200 nanograms/mL of GHK in their blood plasma, while the healthy, male medical school faculty (average age of 60) had only 80 nanograms/mL [7]
### Scenario 3: You Missed by 34 Days **Example**: Your injection day is Friday
Kissel T, Toes REM, Huizinga TWJ, Wuhrer M
Rapid tolerance to the hypotensive effects of glyceryl trinitrate in the rat: prevention by N-acetyl-L- but not N-acetyl-D-cysteine
If you miss your dose, you may administer it within 5 days of the missed dose
Methods: High fat diet and streptozotocin injection-induced diabetic rats were injected intraperitoneally with Tirzepatide (1.35 mg/kg) once a week