b12 injections folate deficiency Folic Acid (Vitamin B9) Injection Vitamin B12 Injection - We
Description
Remember, 1 mL is about 1000 mcg

It also helps those who want fast immune support
Its proposed mechanism is to stimulate lipolysis (the breakdown of stored fat) and to inhibit lipogenesis (the formation of new fat), apparently through -adrenergic-related pathways, while unlike full-length GH not raising IGF-1 and not impairing glucose tolerance [1] [5]

Yes, theoretically in a positive way
