Browse supermarket shelves, and it’s easy to find ice cream, yogurt and brownies with impressive fiber totals. That’s because companies add ingredients to boost the fiber, which they say helps people eat better and enjoy treats with less guilt.

A Fiber One brownie, for instance, has 90 calories and 5 grams of fiber. It’s even possible to get a whole day’s worth of fiber by eating candy; a small bag of Smart Sweets gummy bears has 90 calories and 28 grams of fiber.

Now, the U.S. Food and Drug Administration is giving its nod for many of the ingredients that companies already use to pump up fiber to be counted as such on the new Nutrition Facts panel, which will be required in two years. The agency’s blessing comes after a 2016 rule said added fibers need to provide a health benefit, rather than just being a non-digestible carbohydrate.

Since then, the FDA has been reviewing scientific evidence submitted by companies showing the health benefits of various ingredients. On Thursday, it gave the green light for eight ingredients to keep being counted as fiber.

The agency says more fibers may be recognized in the future, and that people can be confident the fibers declared on the new Nutrition Facts panel have benefits backed by scientific evidence. It noted that it rejected petitions for two ingredients.

General Mills Inc., which makes Fiber One, said in a statement it’s pleased with the FDA’s decision. It declined a request to comment further. Smart Sweets did not respond to a request for comment.

Not everyone is happy about the decision.

The advocacy group Center for Science in the Public Interest says added fibers can fuel the confusion about what’s healthy and what’s not. The group says that creates situations where a brownie might have more fiber than a peach — and sway people into picking the brownie.

Another complication: The approved health benefit may not be what people expect from fiber, says Bonnie Liebman, director of nutrition at CSPI.

Inulin, which is often taken from chicory root, is among the ingredients approved to be counted as fiber. And even though people might assume that fiber’s benefit is digestive regularity or feeling full, the proven health benefit was for calcium absorption.

“That’s the problem — the label will just say it’s high fiber,” Liebman says.

Naturally occurring fibers within food, such as the fiber that might come from grains or fruit chunks, do not need approval. Ingredients need clearance if they have been isolated and extracted from their original source, or made synthetically.

So far, the FDA has signed off on 15 such ingredients. The eight approved this week include polydextrose, resistant maltodextrin and mixed plant cell walls, a category that includes multiple ingredients like apple fiber. Those are in addition to the seven the agency previously approved, including cellulose, guar gum and psyllium husk.

The new standard for fiber is part of the revamped Nutrition Facts panel, which makes it easier to see calorie counts and the added sugar in products. It will be required starting in 2020.