American Society for Parenteral and Enteral Nutrition

The American Society for Parenteral and Enteral Nutrition (ASPEN) is a US-based professional organization. Its members include dieticians, nurses, pharmacists, physicians and scientists who are involved in providing clinical nutrition to patients.

ASPEN was founded in 1976. It has over 6,000 members. Its stated mission is, "to improve patient care by advancing the science and practice of clinical nutrition and metabolism."

The society runs an annual conference, "Clinical Nutrition Week".

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