Online Programs

Foods for Health Certificate 

Around the world, rising rates of obesity, Type 2 diabetes and other chronic diseases highlight the urgent need for healthier, more informed eating habits. As ultra-processed foods replace home-cooked meals, individuals and communities need practical tools to make better choices. Purdue University’s Foods for Health online certificate explores how food, nutrition and human health intersect in today’s complex food environment. Designed for both beginners and professionals, the course equips learners with evidence-based knowledge to evaluate modern diets, debunk common nutrition myths, and adopt personalized, sustainable eating habits. Rather than focusing on nutrients in isolation, the course takes a holistic view — examining cultural influences, sustainability and innovations like gut microbiome science, GLP-1 modulation and precision nutrition. Through engaging content and real-world examples, learners will gain the skills to make food decisions that support both personal well-being and public health.

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Ready to learn about how food and nutrition affect human health? 

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Why Choose This Course?

Students taking this course will learn to: 

  • Explain how nutrition impacts overall health and contributes to disease prevention and management. 
  • Understand the foundational science of macronutrients (carbohydrates, proteins, fats), micronutrients and their roles in the body. 
  • Dissect emerging trends and controversies in dietary patterns (e.g., plant-based diets, functional foods, alternative proteins). 
  • Navigate nutrition information critically to better interpret scientific evidence and avoid misinformation. 
  • Formulate and implement basic dietary strategies, recognizing the interplay between food science, consumer behavior and individual health goals. 

Research-based curriculum with real-life applications 

After students complete the certificate, they will be able to: 

  • Evaluate contemporary food choices for their impact on human health and planetary sustainability. 
  • Incorporate personal behavior changes for healthier, more sustainable eating. 
  • Choose delicious, nutrient-dense meals using simple techniques and readily available ingredients. 
  • Practice mindful eating, moderation and self-compassion in daily food choices. 
  • Analyze trends in food product innovation, plant-based alternatives and the use of functional ingredients for disease prevention. 

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Top college of agriculture in the u.s. QS World University Rankings, 2026

What You Will Learn

Featured Faculty

Bruce Hamaker

Distinguished Professor of Food Science/Roy L. Whistler Chair

Weicang Wang

Assistant Professor, Foods for Health – Foodomics

Frequently Asked Questions

Register today! 

Take the next step in learning about food, nutrition and healthy diets for human health. 

100% Online | Self-paced | Taught by Purdue University food science experts and leaders