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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.

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.

Diet & Fitness

9 Vitamin B6-Rich Foods for a Healthy Immune System and Metabolism

Vitamin B6 helps the body convert food to energy and supports immune function. Get more of it by eating these vitamin B6-rich foods, approved by dietitians.