b12 injection site bruising from Bruise injection? I only recently started T and am worried I messed up. (Intramuscular, left thigh) : r/ftm Possible allergic reaction to B12 – Bruise at Injection Site :

It promotes skin regeneration and collagen production, providing a long list of benefits to your skin

Hands: Among the slowest responses

First, it works through a completely different mechanism than stimulants, thermogenics, or GLP-1 based peptides

However, the group receiving both AOD9604 and HA showed the most favorable results, suggesting a potential synergistic interaction

One review concluded that vitamin B12 plays a key role in fat metabolism, noting that a deficiency could be linked to increased fat accumulation and obesity ( Another animal study found that severe vitamin B12 deficiency led to a significant increase in body fat percentage and cholesterol levels in pregnant mice ( Whats more, one animal study showed that administering B vitamins to rats fed a high fat diet reduced weight gain and increased levels of several enzymes that influence metabolism, compared with a control group ( However, current evidence is lacking, and additional high quality studies are needed to determine how vitamin B12 may affect metabolism and body fat in humans