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Calcium levels are strongly regulated in the body, although high dose supplement can cause a transient increase in blood calcium levels.[ref][ref] Ways to increase MAO if you are a low producer: Access this content: An active subscription is required to access this content
So, the B12 in the serum is OK, but in the brain, it is low
Yes, methylcobalamin is the active form your body uses directly
Methylcobalamin in the form of B-12 is the ONLY from of B-12 that can independently cross the blood-brain barrier
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