when injecting a b12 shot Vitamin Injection Sites: All You Need to Know How to Give a B12

Compounded tirzepatide with B12 formulations typically exhibit a pink to light red color due to the presence of cyanocobalamin (vitamin B12)

Published December 2, 2021

Additionally, there is a risk of peptide-related impurities and API characterization as the drug is not regulated by the FDA

Esbaugh AJ, Tufts BL

For metabolic studies where steady-state NAD+ elevation or weight change is the endpoint, switching routes after steady state is achieved (day 5+) has minimal impact on final outcomes, but document the change and consider it during analysis.

For a 175lb (80kg) test subject, this would give a daily dosage of 800g (0.8mg) [17]