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Nutrition for long-term health

ACLM defines optimal nutrition as a dietary pattern with two key elements: (1) centered on a wide variety of whole and minimally processed plant foods including vegetables, fruits, whole grains, legumes, nuts, and seeds, and (2) minimizes red and processed meats, foods high in saturated fat, and ultra-processed foods containing added sugars and fats/oils, refined carbohydrates, and excess sodium.

What evidence-based nutrition means in lifestyle medicine

In lifestyle medicine, nutrition is a powerful clinical lever used to prevent, treat, and, in appropriate cases, reverse chronic conditions such as cardiovascular disease, type 2 diabetes, obesity, and hypertension.

Nutrition interventions are guided by trained health professionals, grounded in evidence, and tailored to individual needs, culture, preferences, and access.

Interventions, delivered individulaly or in groups, may include:

  • Nutrition education
  • Personalized nutrition counseling
  • Culinary education and skill-building
  • Behavior change support and coaching
  • Medical nutrition therapy (MNT) or referrals
  • When appropriate, programs that support access to nutritious foods

Taken together, these strategies ensure nutrition care is practical, person-centered, and clinically meaningful.

Learn About All Six Pillars

Why nutrition matters for long-term health

Nutrition plays a central role in long-term health because it influences nearly every system in the body. Lifestyle medicine clinicians support patients in making sustainable and therapeutic dietary adjustments that address the root causes of chronic disease and work synergistically with other key aspects of health over time.

Chronic Disease Is Largely Lifestyle-Related

The majority of chronic disease is driven by lifestyle factors, including dietary patterns. As healthcare systems struggle under the burden of preventable illness, lifestyle medicine offers upstream, evidence-based solutions that address root causes—starting with nutrition.

Six Interconnected Pillars

Nutrition works best when integrated with the other pillars of lifestyle medicine:

  • Physical activity
  • Restorative sleep
  • Stress management
  • Connectedness
  • Avoidance of risky substances

Together, these pillars reinforce each other—supporting metabolic health, health restoration, and overall quality of life.

Tailored Approaches Along a Spectrum

Lifestyle medicine clinicians and interdisciplinary care teams are equipped to implement food-based interventions across the full continuum of care, ranging from prevention and health promotion to the treatment and reversal of lifestyle-related chronic disease, with appropriate variation in therapeutic intensity and dosing. Recognizing that dietary patterns exist along a spectrum, they apply behavior change methodologies to balance clinical objectives with patient preferences and real-world constraints, enabling personalized, patient-centered care.

Culinary Medicine Program

Free Curriculum with Videos and Manual

Providing healthcare professionals with a strong foundation in Culinary Medicine

This program includes what constitutes a healthy diet and how to find, obtain, and prepare healthy and delicious food — it is a key part of supporting patients in achieving better health outcomes and putting food as medicine into practice. Access this comprehensive, complimentary curriculum.

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Learn more about the power of evidence-based nutrition

Deepen your understanding of how nutrition fits into lifestyle medicine—and how clinicians can use food as a powerful tool for long-term health. Browse ACLM courses to explore evidence-based nutrition, clinical applications, and practical strategies for lasting change. 

Nutrition for Treatment & Risk Reduction

1.5 HR CME/CE/MOC

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Nutrition for Prevention & Longevity

3 HR CME/CE/MOC

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Lifestyle Medicine Fundamentals: Framework for Success

7.5 HR CE/MOC

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Foundations of Lifestyle Medicine Board Review Course

30 HR CME/CE/MOC

Enroll Now

Explore More Food As Medicine Resources

For over 20 years, ACLM has equipped clinicians and healthcare institutions with education, tools and strategies to integrate food as medicine principles into everyday care. Our evidence-based approaches support chronic disease remission, cost and medication reduction, and increased patient satisfaction.

Food As Medicine

Optimal Nutrition

The six pillar icons over healthy food
Optimal Nutrition

How each lifestyle medicine pillar supports good nutrition

Prescribing food as medicine to treat chronic disease is gaining support from health leaders and policymakers, but focusing narrowly on nutrition without applying the other five lifestyle medicine pillars is short-sighted. To achieve optimal health, including the other five lifestyle medicine pillars is essential. 

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Featured Articles

Clinical & Community Integration

Bringing nutrition education to communities that need it most

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Clinical & Community Integration

Lessons learned advancing nutrition equity through food as medicine

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Optimal Nutrition

The benefits of plant-based nutrition: Diet quality

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