too much b12 injections symptoms of vitamin injection What You Need to Know About Vitamin B12 Overdose: How Much Side Effects of Too Much

Issues generally arise only when one or both nutrients are consumed in excessive amounts for prolonged periods

High-dose vitamin B12 supplements taken concurrently with the injection may lead to excessive B12 levels, though toxicity from vitamin B12 excess is extremely rare due to its water-soluble nature and efficient renal excretion

The evidence for meaningful additional benefit from niacinamide inclusion is limited, but like glycine, it adds minimal cost and no significant risk

NNMT activity has been associated with fat storage and reduced metabolic efficiency

It is important to continue treatment with B12 as it has been reported by parents of ASD kids that 80% improve in language and social development.