b12 injection online Rx Vitamin B-12 (Generic) Injectable Solution it’s possible you have a B12 deficiency B12 Injection HOMEKIT
Description
The standard dosage is 1000 micrograms (mcg) , but the frequency depends on your needs

A temporary feeling of warmth in the area

There is no solid proof that B12 shots cause weight loss in people who are not deficient

et al., Nicotinamide N-methyltransferase knockdown protects against diet-induced obesity, Nature, 2014