b12 injections not being absorbed have been high on my list, and I finally took the plunge today! Better absorption is just one of the perks, as it bypasses the stomach. Bloodwork is typically Vitamin B12 Injections: Boost Energy

By blocking this enzyme, 5-amino-1MQ has been shown to increase fat burning, improve glucose clearance, and prevent new fatty tissue deposits

My TSH and T4 have never been that far out of range but with the proper testing I found Hashimotos, which explained my constant fatigue and irregular periods (they can be anywhere from 14 days to 50+ and last 2-3 days or up to 10, and be very heavy or very light, truly irregular in all manner of ways!) Oh and folate needs testing too

Proc Natl Acad Sci USA 96 : 73247329 Yakar S et al

The vitamin is injected deep into the muscle, typically the deltoid (upper arm), gluteus (buttocks), or vastus lateralis (thigh)

Benefits of Vitamin B12 Injections B12 injections give you more energy and boost your metabolism, helping you shed unwanted weight