Feature Health & Medicine

Brain Food

Choline enters the nutritional limelight

By Janet Raloff

- More than 2 years ago

Body and mind both benefit from a dietary supplement called choline. Or so say health and nutrition stores and Web sites. They sell drinks, bars, and capsules with claims they’ll enhance physical endurance and mental suppleness.

To qualify as a good source of choline, according to a new law, product servings must contain at least 55 milligrams, or 10 percent of the daily recommended intake for men.