Possible B12 injection side effects tend to be mild and short-lived, and may include: Injection site pain, redness, or swelling Mild itching Brief diarrhea (less common) A feeling of warmth after the injection Serious side effects are rare
Evolution of enzymatic activities in the enolase superfamily: functional assignment of unknown proteins in Bacillus subtilis and Escherichia coli as L-Ala-D/L-Glu epimerases
In trials, 6-16% of participants discontinued due to GI adverse events
Notably, inflammatory cytokines exert neurotoxic effects, causing persistent membrane depolarization, a phenomenon referred to as 'denervation' (13,69,93,94)
This is uncommon but not impossible
However, this appears to have limited effects on NAFLD given that only 36% of patients achieved weight loss with long-term lifestyle modification and most patients fail to maintain a healthy lifestyle and the body weight they had reduced [10]