In a new, landmark study published in the journal Obesity, UCSF and Touro University researchers prove conclusively that dietary fructose restriction improves metabolic syndrome. IRN's Co-Founder, Dr. Robert Lustig, was Primary Investigator. For more coverage by the IRN, click here.


What you eat has been altered. Significantly. 

Processed foods have changed what people eat. Nutrition is stripped. Fiber is removed. And sugar is added. A lot of sugar. The food supply has been adulterated. Worldwide. Human and environmental health are imperiled.

Added sugar is found in 77% of grocery store items. Adding sugar makes packaged foods shelf stable. That’s good for profits. Bad for you.

We are the Institute for Responsible Nutrition.

The IRN.

We were founded by doctors who have witnessed childhood obesity become tragically common in one generation.

They say it’s all because we eat too much and burn off too little; too many calories in, and too few out. Well, that’s not the whole truth. Not all calories are created equal. As IRN Founder Dr. Robert Lustig explains, a calorie is not a calorie.

The World Health Organization recommends limiting sugar to 5% of your diet. That’s about 6 teaspoons a day. The Harvard School of Public Health says a typical American eats and drinks 22 teaspoons worth of added sugar each day.

Even Credit Suisse, one of the world's largest finance institutions, thinks sugar is turning our economy sour.

Every day we see new signs that there is a seismic shift in the way we are eating.

Together, we can start a movement. A movement toward unprocessed, real foods, foods that bring wellness not illness.

Preparing real food requires a new shopping list, a little extra time, and planning. These tips will help.

We believe the world can be a healthier place. We are here to research, educate and advise. We’re here to let you know you’re not alone. We can help you beat the odds against sugar, processed foods, obesity, and disease.

Please join us. Help transform our food system, our health, and our lives. 

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The processed food experiment has failed.

Increases in unhealthy patterns are outpacing increases in healthy patterns in most world regions. In view of the disease burdens associated with sub-optimum diet quality, these findings emphasize the need to better elucidate the societal, policy, and food industry determinants of these differences and trends, and to implement policies to address these inequities and improve diet quality globally.

- Dietary quality among men and women in 187 countries in 1990 and 2010: a systematic assessment

To make matters worse, sugar sweetened foods and beverages are getting cheaper while fresh fruits and vegetables are getting more expensive.
The answer? Real food. Real science. Real health.

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It's simple: Eat Real Food.

Try the 10 Day Real Food Challenge by clicking on the banner below:

Eat Real Food

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