what is b12 injection called Compounded Cyanocobalamin (Vitamin B12) Vitamin B-12 Injection, 3,000 mcg/mL

And being injected my body takes it up so much better than an oral form

Brain Research Reviews 26 (23): 113135

10.1016/j.bmcl.2018.01.058 119 RufS.RajagopalS.KadnurS

Downregulation of the activity of a number of CoA-dependent acyltransferases has been reported in HSL-null mice, and it is believed to contribute to maintenance of normal weight in the face of complete ablation of this important lipolytic enzyme (144)

In fact, studies show that for those who are deficient in the nutrient, taking up to 2,000 micrograms per day is safe

Were more interested in body losses for people on the lower end of normal for total body stores, as theres no need to replenish excess amounts