Dr. John McDougall presents Vitamin D Supplements are Harmful, Industry and the US Dietary Guidelines at the September, 2015, Advanced Study Weekend in Santa Rosa, California. More info:
Dr. John McDougall presents Vitamin D Supplements are Harmful, Industry and the US Dietary Guidelines at the September, 2015, Advanced Study Weekend in Santa Rosa, California. More info:
Read the Transcript: http://to.pbs.org/cwRpyt In one of America’s fastest-growing but least-regulated industries, consumers face a dizzying array of herbal treatment options. But studies about the effectiveness of these products are inconclusive, and the ingredients listed in labels are sometimes misleading.…