b12 injection versus pill Vitamin Injections vs. Oral Supplements: Which is Better? Ask the doctor: B12 shots
Description
doi: 10.1038/sj.jid.5700327
Clinical trials involving over 900 human subjects across six randomized, double-blind, placebo-controlled studies confirmed the safety profile

Injections, on the other hand, are more efficient
Traditional weight loss drugs are often limited due to systemic side effects

However, as with any medical treatment, some people may experience mild side effects after receiving a B12 shot
