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.
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.
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.