Deficiencies occur when the body lacks essential nutrients, while excesses result from consuming too much energy or certain nutrients, which can increase health risks.
Duration of the online course: 9 hours and 55 minutes
4.8
(275)
Build healthier eating habits with a free online nutrition course—science-based guidance on nutrients, cravings, and weight loss, plus a certificate option.
Want to feel more in control of your health, energy, and weight without falling for food myths? This free online nutrition course helps you build a clear, practical understanding of how nutrition really works, so you can make confident choices in a world full of conflicting advice. Instead of trends and rigid rules, you will learn to think scientifically about food and evaluate claims with common-sense principles you can use for life.
You will explore what nutrients are, why your body needs them, and how recommended daily guidelines are created and used. Just as important, you will connect nutrients to real foods and everyday decisions, understanding how digestion transforms what you eat into the building blocks that support your body. With this foundation, it becomes easier to spot both nutritional gaps and excesses, and to understand how modern abundance can quietly push choices that undermine long-term wellbeing.
The course also connects nutrition to disease prevention by showing how everyday patterns accumulate into risk or protection over time. You will examine how our modern environment clashes with ancient biology, and how big shifts in lifestyle and food systems have reshaped what we eat. This perspective can explain why changing habits is not just about willpower and why many people struggle even when they know what they should do.
Because eating is more than biology, you will also learn about hunger, satiety, and the strong influence of stress, comfort eating, and social cues. The course addresses disordered patterns and warning signs so you can recognize unhealthy cycles early and respond with more awareness and care. Finally, you will work through strategies to reshape routines in realistic steps, making progress that fits your life. If your goal is weight loss, better health, or simply a stronger relationship with food, this course offers a grounded path forward and skills you can apply immediately.
9 hours and 55 minutes of online video course
Digital certificate of course completion (Free)
Exercises to train your knowledge
100% free, from content to certificate
What is the difference between nutrient deficiencies and nutritional excesses?
Deficiencies occur when the body lacks essential nutrients, while excesses result from consuming too much energy or certain nutrients, which can increase health risks.
How does bile help digest food?
Bile emulsifies dietary fats into smaller droplets, helping digestive enzymes break them down and improving fat absorption.
What is the purpose of the Recommended Daily Allowance (RDA)?
The RDA provides an estimated daily nutrient intake level that meets the needs of most healthy people in a specific age and sex group.
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Course comments: Nutrition Course
Students found the free online course interesting, clear, useful, and well explained. They especially appreciated the detailed coverage of vitamins and minerals, the quality of the lessons, and the professor’s excellent teaching.
ILIRJANA AGOLLI
Doctor Stefano is amazing so articulated so good techer. He deserves 100 stars. Course w is so great.
Alex Elia Nkolokosa
the course is well explained and articulated
Resalyn C. Colomer
I love the course. The professor is excellent. I recommend this course.
Resalyn C. Colomer
Every topic is well explained. He is so amazing.
Matlou Moloto
Great course
Captain Rizwan
Dr. Stefano did a wonderfull job. amazing how he expalin every thing like amazing. deserves more than 5 stars.
Abdifitah Hussein Hashi
wonderfull lecrure thnk u soo mucj
saranya.M
it's so useful tio us thank for this opportunity
Kristy
This was a very interesting course. I especially liked the breakdown of all our Vitamins and Minerals and what each one does.
Enel ADÉA
It's very clear and precise information to enrich knowledge, thank you again for this wonderful work.