b12 and biotin injection Vitamin B-12 Injectable Solution REFERENCE 1) Biotin in the Treatment of Diffuse Hair Loss Biotin Injections for Hair Loss

Literature both supporting and opposing them are available

It could

More Energy and Focus B vitamins and amino acids fuel your metabolism, helping your body convert food into energy more efficiently

This transport system delivers the vitamin to cells throughout the body, where it participates in crucial metabolic processes including DNA synthesis, red blood cell formation, and neurological function

Vegetarians and vegans are at higher risk of B12 deficiency because B12 comes mostly from animal foods, so the B12 in a B12/lipotropic injection is more likely to correct a real shortfall and lift your energy

Eliassen AH et al