A recent smattering of viral videos across Instagram, Facebook and TikTok are telling people to avoid eating packaged, preshredded cheeses, claiming that the powdered substance they're covered in to prevent clumping is actually “wood shavings,” “bark” or “saw dust." In the comments sections of such videos, many viewers have shared their alarm at the claims, even saying that they'll no longer buy shredded cheese. But what to dietitians think? “These kinds of videos stir up fear in viewers who are already skeptical about our food system and aren’t sure who to trust,” registered dietitian Kristina Cooke tells TODAY.
com. “When information is not coming from a scientifically sound and credible source, it’s almost like playing a game of telephone that gets out of hand.” The most important thing to know about the claims is that both preshredded and block and safe to eat, experts say.
Read on to learn more about the substance found on shredded cheese, known as powdered cellulose, and its uses. The powdery or finely grained substance that coats pieces of packaged, shredded cheese is an organic structural compound called cellulose (sometimes labeled as cellulose gum, carboxymethyl cellulose, or microcrystalline cellulose). As a food additive, it prevents the cheese from clumping together in packaging.
“It’s also used in some products as a calorie reducer, an anti-caking agent, a thickener, and to add texture,” Caroline Susie, a registered dietician and natio.