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Description
The most commonly observed side effects include mild injection-site irritation and nausea, which subside within the first week or two, especially at lower doses
However, when the body lacks sufficient methylcobalamin, the conversion of homocysteine stalls
Vegetarians or vegans with potential B-12 deficiencies
Vitamin B12 is also one of several B vitamins that may help to protect from cognitive decline in older people with mild memory deficits and poor vitamin status
