how much is in a b12 injection Compounded Hydroxocobalamin (Vitamin B12) Vitamin B12 injection - Online

5-Amino-1MQ alone improved grip strength to a greater degree than rigorous exercise training alone, and combined treatment produced sustained increases in daily running distance that did not taper off in the way exercise-alone groups did, suggesting reduced post-exercise muscle recovery requirement

best of luck Not sure if it's already been mentioned, but might be worthwhile getting your folate and vitamin d checked also

Nerve Health ProtectionB12 helps maintain the myelin sheath, which protects nerves

Choi E, Bahadori MT, Schuetz A, Stewart WF, Sun J

Women using copper peptides should monitor for signs of androgen-related side effects, though AHK-Cu does not directly influence hormone synthesis or metabolism