Guiding Stars blog: Nutrition Science

About the Guiding Stars Nutrition Science Blog

The Guiding Stars Nutrition Science blog is your place for digestible nutrition information. Hear from our Scientific Advisors and dietitians on the science behind the latest nutrition trends and advice for lifestyle choices that support your health.

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About Guiding Stars

Guiding Stars is an objective, evidence-based, nutrition guidance program that evaluates foods and beverages to make nutritious choices simple. Products that meet transparent nutrition criteria earn a 1, 2, or 3 star rating for good, better, and best nutrition. Guiding Stars can be found in more than 2,000 grocery stores and through the Guiding Stars Food Finder app.

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Health & Healthcare
Guiding Stars: Balanced Meals on a Budget
September brings on “reset” vibes that mimic the fresh start we look for in January. For many of us, this includes a return to meal planning and engaging in a plan, shop, and cook strategy that works for our household.
Health & Healthcare
Take the Guesswork Out of Back-to-School Food Shopping
With so much information in the news and online about nutrition, it’s easy for caregivers to feel confused and overwhelmed about making the best choices for their kids.
Health & Healthcare
Guiding Stars: The Mediterranean Diet & Gut Health Connection
The Mediterranean Diet is perennially popular, in large part because of the delicious, plant-forward cuisine of the region. It’s also consistently rated as one of the most healthy eating patterns in the world.
Research & Reports
Guiding Stars: Refining Our Guidance With Good Science
The Guiding Stars algorithms, the formulas used to assign Stars to foods and beverages, were recently updated to reflect new information about nutrition science and the current landscape of food product labeling in grocery stores.
Health & Healthcare
Guiding Stars: A Sneak Peek at 2026 Nutrition Trends
My friend and fellow Guiding Stars blogging colleague, Allison Stowell, and I recently returned from the world’s largest dietitian conference, the annual conference of the Academy of Nutrition and Dietetics.
Research & Reports
Guiding Stars: Nutrition Can Be Simple, Really
Do you remember when familiarity with the four food groups was all you really needed to know to eat healthfully? I do. Admittedly, I was a kid at the time, and not at all concerned about nutrition.
Health & Healthcare
Guiding Stars: Diabetes Runs in My Family—Should I Be Eating Differently?
About one in ten individuals in the US lives with diabetes. That’s more than 38 million Americans. Most have type 2 diabetes, likely diagnosed in middle age or older (though increasingly in younger adults as well).
Health & Healthcare
Guiding Stars: Understanding Ultra-Processed Foods
Are you confused about all the “ultra-processed foods” discussions on the news and in your social media feed? You’re not alone. It’s hard to know what to think (and do) about these foods, partly because there is no uniform definition of what they are.
Health & Healthcare
Guiding Stars: Strategic Food Choices to Support Heart Health
Heart disease is still the leading cause of death in the United States for all people. American Heart Association statistics from 2024 indicate that about 48% of Americans older than age 20 have cardiovascular disease.
Health & Healthcare
Guiding Stars: The Fresh Start Effect of Fall
Whether you have children starting a new school year or not, September brings “reset” vibes. We finally take on that stack of papers that was pushed aside to relish summer days. And we return to a regular pattern of grocery shopping and cooking as summer travel wanes.

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