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Collin Popp Ph.D.

Collin Popp is a registered dietitian, researcher and assistant professor of population health at New York University.

Collin Popp, Ph.D., is a registered dietitian who provides nutrition counseling services as the CEO of Popp Nutrition in Greenwich, Connecticut. His research areas include obesity, weight loss and maintenance, metabolism, Type 2 diabetes and more.

Never Have I Ever

The 1 Diet This Nutrition Expert Would Never Follow

In TODAY.com's Never Have I Ever series, a registered dietitian shares his twist on this popular, but restrictive, diet.

collage of man holding fruit and veggies next to a meat diagram of a cow on a blue background

Diet & Fitness

Can Continuous Glucose Monitors Help With Weight Loss? Experts Weigh In

Continuous glucose monitors are trending for people without diabetes. Should you wear a CGM and can it help you lose weight? Experts discuss the benefits and risks.

Close up of arm with CGM sensor on it. Young diabetic woman in the city, walking with cup of coffee in hand.

Diet & Fitness

What Is the Highest Protein Meat? Dietitians Share the No. 1 Pick

Which meat has the most protein per serving? These 7 dietitian-approved meats are packed with protein for muscle growth and other essential nutrients.

Top view with a variety of raw chicken and beef arranged on a green-mint table.

Diet & Fitness

'Clear' Protein Is the Latest Fitness Trend. But Is It Healthier Than Other Powders?

Clear protein is a trendy low-calorie alternative to regular protein powder with less fat and carbs. Is it better for you? Dietitians weigh in on the benefits and downsides.

Cup of water with a spoon, mixing powder in.