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How Much Vitamin B12 Do We Need

They might start with 1,000 mcg daily for a week

Treatment usually involves B12 injections, high-dose oral B12, sublingual B12, or nasal B12 spray to bypass the intrinsic factor-dependent absorption pathway - consult your healthcare provider for appropriate options

According to Harvard Medical School, people with cobalamin deficiency may experience subtle but unusual and progressive signs of illness, including strange tingling or numb sensations, difficulty walking, cognitive and memory issues, and weakness

Vitamin B12 is very important for the physiological function, nervous system and energy metabolism of animals

For mild deficiency in people who absorb nutrients normally, high-dose oral B12 can be equally effective and more convenient