The End of Alzheimer's: The First Program to Prevent and Reverse Cognitive Decline

by Dale E. Bredesen

Many physicians order the MMA (methylmalonic acid) test instead of B12 itself, since as B12 declines, MMA increases.

GOAL: vitamin B12 = 500–1500 pg/ml; folate = 10–25 ng/ml; vitamin B6 = 60–100 mcg/L.