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[6] [25] At levels only slightly below normal, deficiency can result in fatigue, headaches, feeling faint, rapid breathing, pale skin, numbness or tingling, poor appetite, heartburn, poor balance, difficulty walking, poor reflexes, blurred vision, memory problems, depression, irritability, inattention, cognitive decline, dementia, and even psychosis
The tissue-specific consequences of prolonged inhibition across these sites remain uncharacterised
This product is supplied for laboratory research purposes only and is not intended for human or veterinary use
If the deficiency is detected, metformin can be continued while the deficiency is corrected with B 12 supplements
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