side effects of not having b12 injection How Quickly Does Shot Work? Does It Help to Lose Weight? Vitamin B12 Deficiency Anemia: Symptoms,

However, if B12 deficiency coexists with androgenetic alopecia (genetic pattern loss), fixing B12 will improve hair quality and reduce excess shedding but won't fully reverse the pattern-driven thinning

PMID 24571382

In a 2021 study in obese mice, 5-amino-1MQ administration caused significant body mass reductions in the rodents, who achieved body composition and liver adiposity parameters that were comparable to the lean mice in the control group

You may experience slight soreness at the injection site, but there is no downtime, and you can resume your regular activities immediately

It takes 4-6 weeks for full effects