Importance of Vitamin D in Over the Counter Vitamin Supplements | Kaiser Permanente Study

The amount of Vitamin D in over-the-counter supplements can vary widely and often does not match the amount listed on the label. Those are the findings of a new Kaiser Permanente study published in JAMA Internal Medicine. Because the vitamin industry remains largely unregulated study authors say consumers can’t necessarily trust they are getting what they pay for. For more information, visit