is sublingual b12 as effective as injections Effect of two different dosages of vitamin on cobalamin nutritional status in vegans and vegetarians with a marginal deficiency: A randomized controlled trial Vitamin B12 Shots for Energy

Obese children and adolescents: a risk group for low vitamin B12 concentration In conclusion, our study has replicated the previous Indian findings of associations between lower serum B12 and higher obesity and insulin resistance during pregnancy in a non-diabetic White British population

The risk of a poor injection technique is intravascular occlusion, which means it was injected into a blood vessel

At the beginning of pregnancy, low vitamin B12 levels can increase the risk of neural tube defects

Unlike traditional hormone therapy, it does not significantly affect blood sugar or growth hormone levels, making it uniquely focused on fat metabolism