There are some very rare side effects listed in medical literature (mostly when large doses are given): for example, one out of many thousands of patients might develop a disturbance in liver enzymes or a tingling in the fingers or toes
If you are having B12 injections for a genuine deficiency, this is the context that helps you tell a settling-in reaction from a real problem
Stomach acid helps release B12 from food proteins
Supplementing with NAD+ may help support mitochondrial function, cellular repair mechanisms, and overall energy metabolism
When to Seek Medical Advice About B12 and Joint Symptoms Knowing when to contact your GP or healthcare provider regarding joint symptoms in the context of B12 supplementation is essential for ensuring appropriate investigation and management
Dynamic proctography is indi- cated for fecal incontinence when clinical features suggest excessive perineal descent, a clinically significant rectocele (eg, in patients who splint the vagina to facilitate rectal emptying), an enterocele, or internal rectal intussusception