Safety and Efficacy of Dietary Supplements for Diabetes.

Results from various surveys show that 30 – 70% of adult people with diabetes in the United States use alternative medicine, with one-third using it speci fi cally to improve diabetes-related symptoms (1). Individuals with diabetes may be inclined to use these products for various reasons, including a belief that “ natural ” means without risks, concern over medication costs, in fl uence from family and friends, and desire for further glucose lowering in addition to that achieved with traditional medications. However, supplements have the potential to cause adverse effects, drug interactions, and toxicity. Additionally, lack of regulatory oversight in the manufacturing and marketing of supplements can lead to inconsistent quality and quantity of ingredients within products.