6 Nutrition Myths Every Woman Should Know

There’s a whole lot of information swirling around online — and among IRL friend groups — about the right way to eat. While it's great that women want to eat healthy, much of the shared information is muddled, outdated, or flat-out wrong.
“This isn’t unique to women, but there is more messaging around weight loss, dieting, or protein consumption in online spaces that women frequent,” says Maya Feller, RD, the founder and lead dietitian at Maya Feller Nutrition. “The influencer that’s the most compelling or feels like a trusted friend is really able to pull the viewer and the reader into whatever they're saying and make people more prone to believe them.”
For the most part, there’s nothing radical about a healthy diet. A woman’s body needs a mix of nutrients, including vitamins, minerals, carbohydrates, protein, and fat to function properly. If you still believe in any of these six misguided strategies, nutrition pros explain here why you may want to change your mind.
1. Myth: Carbs Are the Enemy
“Instead of eliminating carbs, shift your focus to the quality of carbs,” says Sharniqua White, RDN, a culinary dietitian in Greensboro, North Carolina.
- Simple sugars are carbs from one or two types of sugar. These are the type of carbs to limit, particularly if you have diabetes. They’re easily digested and quickly absorbed, and they can cause blood sugar to spike. They’re found in candy, fruit juice, soda, syrups and sweeteners, and packaged foods like white bread, cookies, and cakes.
- Starch is a type of complex carbohydrate that occurs naturally in vegetables, grains, and beans. Starch is digested more slowly, which makes it healthier, and it will eventually break down into simple sugars known as glucose, which is an essential energy source.
- Fiber is another type of complex carbohydrate, and it is found in plant foods, such as fruits, vegetables, whole grains, nuts, seeds, and beans. Fiber helps keep our digestive system healthy, and it can also play a big role in healthy weight maintenance.
2. Myth: All Processed Foods Are Bad for You
But those foods are only one category of processed foods. Foods can also be minimally processed or processed to a lesser degree than the ultra-processed ones, like the prechopped and frozen fruits and veggies so many women use to feed their families.
“Many processed foods can help save time and provide great nutrition,” says Rosanne Rust, RDN, author of DASH Diet for Dummies and the owner of Rust Nutrition Services in Florida. “Canned vegetables, canned beans, and frozen fruits, vegetables, and legumes are convenient solutions to get a quick meal on the table.”
She adds that other types of processed foods, like fortified breakfast cereals and breads can help fill nutrient gaps, especially the iron, folate, and other vitamins and minerals needed by children and childbearing women.
3. Myth: Your Body Occasionally Needs a Detox or Cleanse
If someone’s trying to sell you a detox pill, potion, or powder, you probably want to push back, says Milton Stokes, PhD, MPH, RD, a registered dietitian based in the Greater Hartford, Connecticut, area.
“The overall culture of weight loss in chasing skinny really leads women to believe they need a detox, when they don’t,” adds Feller.
White says instead of restrictive cleanses, “support these organs by staying hydrated, eating a balanced diet rich in fruits and vegetables, and limiting excessive alcohol intake.”
4. Myth: Eating Fat Makes You Fat
“Weight gain is influenced by many different factors, not one specific macronutrient,” says White. “Healthy fats actually play a key role in satiety and nutrient absorption.”
5. Myth: Organic Foods Should Always Be Prioritized
“While organic foods can reduce exposure to certain pesticides, they are not necessarily more nutritious than conventionally grown options,” says White. “The most important goal is to eat more fruits and vegetables overall, organic or not, so choose what fits your budget and access.”
- Pineapple
- Sweet corn (fresh and frozen)
- Avocados
- Papaya
- Onions
- Sweet peas (frozen)
- Asparagus
- Cabbage
- Cauliflower
- Watermelon
- Mangoes
- Bananas
- Carrots
- Mushrooms
- Kiwi
6. Myth: Protein Is the Most Important Nutrient to Prioritize in My Diet
Between the low-carb dieters, the GLP-1 users who need protein to prevent muscle loss, and midlife women who prioritize it for leaner muscle mass, protein is definitely the “it” nutrient right now. But that doesn’t mean it should crowd all other food groups off your plate.
“Grain foods, fruits, and vegetables provide fiber and a multitude of important vitamins and minerals that the body needs,” Rust says.
The Takeaway
- For women, healthy eating advice can feel like a minefield, especially when misinformation spreads easily online and among friends. A balanced diet still comes down to getting a mix of nutrients — not following extreme rules.
- Many popular nutrition beliefs are myths: Carbs aren’t inherently bad, not all processed foods are unhealthy, detoxes aren’t needed, and eating fat doesn’t automatically cause weight gain.
- Healthy eating also doesn’t require restrictive choices. Focusing on overall balance, not obsessing over organic foods or specific nutrients, is what supports long-term health.

Lynn Grieger, RDN, CDCES
Medical Reviewer
Lynn Grieger is a registered dietitian-nutritionist, certified diabetes care and education specialist, certified personal trainer, and certified health and wellness coach. She comp...

Cathy Garrard
Author
- Carbohydrates: How Carbs Fit into a Healthy Diet. Mayo Clinic. January 24, 2025.
- Carbohydrates. MedlinePlus. March 25, 2024.
- Chen Z et al. Ultra-Processed Food Consumption and Risk of Type 2 Diabetes: Three Large Prospective U.S. Cohort Studies. Diabetes Care. February 28, 2023.
- Wang C et al. Ultraprocessed Food Consumption and Risk of Early-Onset Colorectal Cancer Precursors Among Women. JAMA Oncology. November 13, 2025.
- 4 Detox Myths: Get the Facts. UT MD Anderson. October 26, 2020.
- Dobranowska K et al. Dietary and Lifestyle Management of Functional Hypothalamic Amenorrhea: A Comprehensive Review. Nutrients. September 3, 2024.
- “Detoxes” and “Cleanses”: What You Need to Know. National Center for Complementary and Integrative Health. March 2025.
- Weight Loss: Feel Full on Fewer Calories. Mayo Clinic. January 12, 2024.
- Skoracka K et al. Female Fertility and the Nutritional Approach: The Most Essential Aspects. Advances in Nutrition. June 17, 2021.
- Srikanthan P et al. Sex Differences in the Association of Body Composition and Cardiovascular Mortality. Journal of the American Heart Association. February 23, 2021.
- Facts About Saturated Fats. MedlinePlus. May 14, 2024.
- Yilmaz B. Factors Influencing Consumers’ Behavior Toward Purchasing Organic Foods: A Theoretical Model. Sustainability. October 15, 2023.
- Organic Foods: Are They Safer? More Nutritious? Mayo Clinic. February 28, 2025.
- EWG’s Shopper’s Guide to Pesticides in Produce. Environmental Working Group. March 24, 2026.
- Are High-Protein Diets Safe for Weight Loss? Mayo Clinic. April 25, 2025.
- Dietary Guidelines For Americans 2025-2030. United States Department of Agriculture.