ConsumerLab.com
This article was originally published in The Tan Sheet
Executive Summary
Fourteen single B vitamin products and six of seven B complex supplements tested contained amounts claimed in labeling, and all 21 passed disintegration tests, online firm reports Jan. 8. Recommended dose of three niacin-only products and six B complex products exceeded Tolerable Upper Intake Levels for adults. Although products exceeding ULs may increase side effect risk, they "may be appropriate for treating or preventing certain diseases...when used under the supervision of a healthcare professional," firm says...