[uuid]

Most important: Folic acid (B9).

Apparently has strong correlation with IQ. Makes me wake up instantly in the morning. Less tired. Better concentration.

Don't take more than ~400mg /day.

[hga]

With all the suplimentation going on limiting it to 400 mcg (NOT mg) is going to be hard.

The key is to limit it to 1,000 mcg/1 mg; above that the symptoms of pernicious anemia (Vitamin B12 problems) can be masked until you've gotten irreversible nerve damage.