The Most Common Nutrition Questions

Curious about the most common nutrition questions that registered dietitians get asked? Some of the answers may be surprising!

a dietitian typing on a laptop with assorted fruits and a glass of water on the table

If you want to learn about nutrition but aren’t sure what to ask a dietitian, I’m here to help. Without further ado, here are the most common nutrition questions that I get asked. Let the crash course in nutrition begin!

In elementary school, your math teacher might have advised you to ask your burning questions even if you were afraid or embarrassed to do so.

She’d say that most likely, other students were wondering the same things and would be grateful for your questions.

Well, in my last five or so years as a registered dietitian nutritionist (RDN), I’ve learned that this rings true about nutrition topics, too.

In fact, so many people have the exact same questions, from “what are the top vitamin brands?” to “what are the best foods for brain health?”

Many of the most common nutrition questions I get asked frequently surround two topics: protein and gut health.

Thanks to the current interest in healthy eating, protein and gut health are having big moments. However, with so much information online and all around us, things can all get confusing, fast.

That’s why I’m revealing—and answering—the most common questions I get on these topics.

By the time you’ve scrolled through this whole blog post, you’ll have clear-cut answers to many of your questions about nutrition, plus a few ideas to make a meal that has an often-contested health status (re: sandwiches) even better for you.

Cue the Jeopardy! music!

A plastic container filled with different types of food

The most common nutrition questions I get

Looking for the inside scoop on how to eat well? Every dietitian knows more than a couple of tricks for maximizing flavor and the nutrients in food.

I like to think of creative ways to use fruits and vegetables in my dishes, because they’re packed with so much filling fiber and lots of beneficial vitamins.

Healthy eating doesn’t have to be boring—produce can be party worthy! Want in on more nutritionist-approved secrets for better health? Here are the most common nutrition questions I get asked.

a bowl full of cubed tofu with sesame seeds sprinkled on top

Q: How do I get enough protein on a plant-based diet?

As a plant-based dietitian, I get a lot of questions about protein. It’s one of the most common nutrition questions I get asked.

Protein is a nutrient that not only helps build muscle but also helps keep you full so you don’t get “hangry.”

Protein is such an important macronutrient that helps keep your body fueled and your muscles strong. But important doesn’t mean simple.

Just because you’re a vegan, vegetarian, or plant-based eater doesn’t mean you’re destined to be deprived in protein.

You just have to plan out what you eat. That might mean making an edamame smoothie for breakfast or adding nuts and nut butter to your gingerbread cookies and other baked goods.

One “easy” way to get enough protein daily is to include a source of protein with every meal and snack. Some of my favorite plant-based proteins to recommend are tofu, tempeh, edamame, beans, lentils, nuts, and seeds.

a woman sitting on a toilet looking at her phone

Q: How often should I poop?

One of the most common nutrition questions I get is about pooping.

A common myth is that you’re only normal if you poop exactly once a day. Well, this isn’t true at all.

There’s no magic number for how often you should be having bowel movements, as this varies person to person. Anywhere from anywhere from three times a day to three times a week is considered normal for how often you poop.

What you really should be paying closer attention to is what your bowel movements look like. Really, any color but brown can be indicative of a health problem—which is when you’re going to want to speak to a doctor.

a variety of colorful fruits and vegetables on a wooden table and a woman holding up an avocado and oil

Q: How many calories should I eat to lose weight?

I get so many questions about calories and weight loss, and many people assume they should eat a very low amount of calories to lose weight.

But the thing is, your body needs calories to function, and you’re not going to benefit from continuously eating an extremely low amount of calories.

I’ve had clients who thought they should be eating 1,200 calories or less every single day. But not only does your metabolism adjust to this new number—which is not a good thing—but your body needs more calories than this to optimally function.

You want energy to do a workout and to enjoy activities with your loved ones, right?

Curious about the most common nutrition questions that registered dietitians get asked? Some of the answers may be surprising!

I’d love to hear from you! What would you add to this list of common nutrition questions?

Plant-Based Eating |

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