It is typically not recommended for self-administration due to the smaller muscle mass compared to other sites
Some of our more popular IM Vitamin Shots: Level 1 Injections Vitamin B12: Energy metabolism, mood, and blood health B-Complex: Energy, stress, metabolism, and immune support L-Glutamine: Helps with muscle soreness and recovery, improves gastrointestinal and immune function, may help with leaky gut and ulcers, supports brain health (addiction, anxiety depression, Alzheimer's, seizure disorders, and more), promotes muscle growth, supports metabolic and heart health, great as a chemotherapy adjunct to support gut lining permeability
Nat Cancer
For anyone using retatrutide within a clinical trial or authorised protocol, the only in-use shelf life that should be followed is the one stated on the IMP label or in the trial protocol, as validated by the trial sponsor
The benzyl alcohol inhibits bacterial reproduction (bacteriostatic, not bactericidal), preventing contamination in multi-dose vials without aggressively disrupting most biological molecules