NutritionAction Library

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How much caffeine and sugar are in Starbucks Refreshers?

Some Starbucks Refreshers have as much sugar or as many calories as a can of Coke, with a lot or a little caffeine. Here’s what to know.

Sugary DrinksMay 12, 2026Lindsay Moyer, MS, RDN

woman's hands making a corn flour tortilla

Peter's Memo: Fulfilling a promise to fortify

Since 2016, CSPI has been pushing companies to fortify corn masa with folic acid to prevent spina bifida and other neural tube defects in newborns.

Preventing DiseaseApril 28, 2026Peter Lurie, MD, MPH

white bowl with berries and overnight oats

Swiss Overnight Oats

You’ll find this simple but satisfying chilled porridge on most breakfast tables in Switzerland. If you use regular (non-Greek) yogurt, increase the amount to 1 cup and skip the water.

April 28, 2026Kate Sherwood

Zesty Cucumber Hummus Bowl

This combo is inspired by fatteh, a Middle Eastern dish layered with chickpeas and pita. Great for brunch, it’s spicy, cool, herby, and lick-the-plate-clean delicious.

April 28, 2026Kate Sherwood

white plate with scrambled eggs, tomatoes and fetta and fork and knife

Greek Scrambled Eggs

I love any scrambled eggs, but especially eggs with tomatoes, feta, and fresh dill.

April 28, 2026Kate Sherwood

Man picking out fruit from grocery store shelves

A snapshot of the latest research on diet, exercise, and more

Can a knee brace curb osteoarthritis pain? Does using proton-pump inhibitors cause stomach cancer? Can GLP-1 drugs reduce endometrial cancer risk? We look at those new studies, plus others on caffeine, protein powder, shoulder pain, and more.

Healthy EatingApril 14, 2026Bonnie Liebman, MS

comic style cartoon of a hand lifting 1 one of three cups labeled "brain boost". the other cups labeled "live longer" and "natural cure"

The Certainty Illusion: What you don’t know & why it matters

In The Certainty Illusion, Timothy Caulfield unpacks why humans crave simple answers and what it means for our health and our culture.

Fact vs. FictionApril 10, 2026Caitlin Dow, PhD

grocery cart in focus in the foreground with grocery store shelves out of focus in the background

5 new processed foods that look healthier than they are

These five new processed foods sound healthier than they are, thanks to buzzwords like “protein,” “fiber,” “hydration,” “simple,” and “zero sugar.”

Healthy EatingApril 9, 2026Lindsay Moyer, MS, RDN

CSPI & Nutrition Action Customer Service

Answers to your frequently asked questions about Nutrition Action Healthletter

April 9, 2026

Chimichurri

This super-fresh herb sauce is flexible enough to brighten up almost any dish. Spoon it over fish or chicken. Or toss with cooked vegetables, beans, lentils, or whole grains.

April 8, 2026Kate Sherwood