Normal serum MMA levels are typically thought to be less than 270 nmol/l in apparently healthy people, but theres little evidence of direct harm for amounts even twice as high as 270 nmol/l
This entire process depends on adequate gastric acid, proper enzyme secretion, and appropriate transit time through the GI tract
Mild side effects and potential risks, which should be referred to a doctor if they persist or worsen, include: pain, redness, or itching at the site of the injection mild diarrhea swelling sensation in the body More serious side effects, which require immediate medical attention, include: muscle cramps irregular heartbeat unusual weakness or tiredness swelling of the ankles or feet Severe reactions are very rare but require emergency intervention
One possibility is a genetic disease that makes people unable to process vitamin B12
When opened, it will still have a life span of up to 28 days