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Everyday Health: 9 Surprising Ultra-processed Foods
Contributing Expert Gretchen Zimmermann 3/3/26 Contributing Expert Gretchen Zimmermann 3/3/26

Everyday Health: 9 Surprising Ultra-processed Foods

Yogurt is often marketed as a wholesome snack, and sometimes this is true. “It can be, but many popular varieties are surprisingly packed with added sugars and are low in protein,” says Gretchen Zimmerman, RD, the vice president of clinical strategy at Vida Heath…

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Everyday Health: Meal Delivery Services for GLP-1 Nutrition
Contributing Expert Gretchen Zimmermann 3/3/26 Contributing Expert Gretchen Zimmermann 3/3/26

Everyday Health: Meal Delivery Services for GLP-1 Nutrition

“CookUnity is one of the most balanced and best-tasting options I have tried,” says Zimmermann. “Their meals are high in protein, with many offering at least 25 g per meal and roughly 500 calories. The ingredients are fresh, and meals take about 10 to 15 minutes to heat.

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NY Post: Ozempic, Mounjaro Users Turning to Protein Shakes to Beef Up Muscle
Contributing Expert Gretchen Zimmermann 3/2/26 Contributing Expert Gretchen Zimmermann 3/2/26

NY Post: Ozempic, Mounjaro Users Turning to Protein Shakes to Beef Up Muscle

No whey! Protein drinks aren’t just for bodybuilders anymore. Ozempic and Mounjaro users are increasingly turning to protein drinks as a convenient way to combat excess muscle loss as they shed pounds.

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Parade Magazine: High-Fiber Smoothie Recipes
Contributing Expert Gretchen Zimmermann 3/2/26 Contributing Expert Gretchen Zimmermann 3/2/26

Parade Magazine: High-Fiber Smoothie Recipes

It’s Hot Out! Here Are 10 High-Fiber Smoothie Recipes to Keep You Hydrated All Day Long

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Prevention Magazine: High-Protein Snacks to Add to Your Menu
Contributing Expert Gretchen Zimmermann 3/2/26 Contributing Expert Gretchen Zimmermann 3/2/26

Prevention Magazine: High-Protein Snacks to Add to Your Menu

“Protein mug cakes are easy to make and feel like a dessert, but they have nutritious ingredients,” said Zimmermann. All you have to do is…”

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Delish: Experts Say You Should Never Eat These Foods For Breakfast
Contributing Expert Gretchen Zimmermann 3/2/26 Contributing Expert Gretchen Zimmermann 3/2/26

Delish: Experts Say You Should Never Eat These Foods For Breakfast

Your go-to morning routine could be sabotaging your whole day.

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Eating Well: What Happens When You Take Vitamin D Every Day
Contributing Expert Gretchen Zimmermann 3/2/26 Contributing Expert Gretchen Zimmermann 3/2/26

Eating Well: What Happens When You Take Vitamin D Every Day

Vitamin D is an essential nutrient that supports your bones, muscle function and immune system. But should you take a vitamin D supplement daily?

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WIRED: How Much Protein Do I Need?
Contributing Expert Gretchen Zimmermann 3/2/26 Contributing Expert Gretchen Zimmermann 3/2/26

WIRED: How Much Protein Do I Need?

Protein is having a moment—but most of us were never short on it to begin with.

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WIRED: Is Creatine Worth the Hype?
Contributing Expert Gretchen Zimmermann 3/2/26 Contributing Expert Gretchen Zimmermann 3/2/26

WIRED: Is Creatine Worth the Hype?

In the days of yore, creatine supplements were a muscle-bro staple, relegated to the lockers of bodybuilders and collegiate linebackers. Lately, it has muscled its way into Pilates studios, gym girlies’ TikToks, and longevity wellness retreats…

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Oprah Daily: Microdosing GLP-1
Contributing Expert Gretchen Zimmermann 3/2/26 Contributing Expert Gretchen Zimmermann 3/2/26

Oprah Daily: Microdosing GLP-1

The word microdosing might make you think of LSD and magic mushrooms, but the term has gained a totally new meaning in the Age of Ozempic…

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Health Magazine: Healthy Snacks Dietitians Eat When They’re Craving Chocolate
Contributing Expert Gretchen Zimmermann 3/2/26 Contributing Expert Gretchen Zimmermann 3/2/26

Health Magazine: Healthy Snacks Dietitians Eat When They’re Craving Chocolate

Chocolate is one of the most commonly craved foods in the U.S.1 When health experts, like doctors and dietitians, get a chocolate craving, what do they actually reach for? Instead of ignoring the urge, they opt for snacks that deliver chocolate flavor while also supporting fullness and energy. 

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Health Magazine: High-Protein Post-Workout Snacks
Contributing Expert Gretchen Zimmermann 3/2/26 Contributing Expert Gretchen Zimmermann 3/2/26

Health Magazine: High-Protein Post-Workout Snacks

Protein is especially important after intense workouts, as it’s needed for muscle repair. To narrow down the best options, we asked 6 registered dietitians to name their top high-protein post-workout snack picks…

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Health Magazine: Does Protein Need To Be In Every Meal?
Contributing Expert Gretchen Zimmermann 3/2/26 Contributing Expert Gretchen Zimmermann 3/2/26

Health Magazine: Does Protein Need To Be In Every Meal?

With all the emphasis on protein in the health and wellness world, it can sometimes feel like you can never get enough. However, while protein is an essential nutrient, does it really need to be included in every meal? Here's what the science actually shows…

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The Hill: Kennedy Shakes Up Dietary Guidelines Winners & Losers
Contributing Expert Gretchen Zimmermann 3/2/26 Contributing Expert Gretchen Zimmermann 3/2/26

The Hill: Kennedy Shakes Up Dietary Guidelines Winners & Losers

Supporters applaud the shift toward “real food,” while critics argue the stronger focus on meat and dairy departs from established nutrition science and could create confusion.

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Eating Well: Is It Safe to Stop and Restart a GLP-1? Here’s What Experts Say
Contributing Expert Gretchen Zimmermann 3/2/26 Contributing Expert Gretchen Zimmermann 3/2/26

Eating Well: Is It Safe to Stop and Restart a GLP-1? Here’s What Experts Say

But what actually happens when the medication is stopped? If you need to stop and restart a GLP-1, here’s what to consider and how to do it safely.

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Real Simple Magazine: Registered Dietitians Go-To Lunches
Contributing Expert Gretchen Zimmermann 1/21/26 Contributing Expert Gretchen Zimmermann 1/21/26

Real Simple Magazine: Registered Dietitians Go-To Lunches

Like most people with busy schedules, deciding what to have for lunch is a personal feat I face daily. Between sourcing something nutritious, inexpensive, and easy to make, it’s overwhelming to…

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Gretchen Zimmermann, RD

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