Herbal and nutritional supplement use in the elderly.

: Herbal and nutritional supplement use in the United States is increasing, including use among older adults. Often, older adults do not inform health care providers that they are using dietary supplements. Dietary supplement use can be problematic because of potential interactions with prescription drugs, patient delays in seeking needed care, and inadequate product quality control. This article provides guidelines for dietary supplement use in the older adult and discusses the precautions associated with common herbs.