ASPEN: Leading the Science and Practice of Clinical Nutrition

Founded in 1976, ASPEN is a medical professional organization whose members are involved in the provision of clinical nutrition therapies. With members from around the world, ASPEN is a community of dietitians, nurses, nurse practitioners, pharmacists, physicians, physician assistants, scientists, students, and other health professionals from every facet of nutrition support clinical practice, research, and education.


To improve patient care by advancing the science and practice of clinical nutrition and metabolism.


ASPEN envisions a world in which every patient receives safe, effective, and high-quality nutrition care.

Core Values

Quality – We hold high standards for clinical practice, research, and education.

Discovery – We support research to advance the field.

Integrity – We are honest and principled in all interactions.

Interprofessionalism – We work in collaboration with medical professionals from many disciplines to treat patients.

Diversity – We include professionals of all ages, backgrounds, cultures, gender identities, and races, etc.

Health Equity – We stand against racism and seek to eliminate health disparities in patient care.

ASPEN Strategic Plan Summary 2022-2025

ASPEN Strategic Plan Summary 2022-2025

Download PDF of strategic plan summary