Protein & Nutrition Blog – Marmels
Protein & Nutrition Blog – Marmels
Are Sugar Alcohols Bad for You? What the Research Shows
by Mo Mandegar, PhD
on Jun 16 2026
Sugar alcohols built a category on the promise of zero-caloriesweetness with no metabolic cost. Most cause gastrointestinal (GI)issues at modest doses, and 2023 to 2024 research has linkederythritol and xylitol to elevated cardiovascular risk. Here iswhat the science actually says.
Protein & Nutrition Blog – Marmels
Ingredients to Avoid in Protein Bars: A Buyer's Guide
by Mo Mandegar, PhD
on May 16 2026
Most popular protein bars are ultra-processed by design — builtaround sugar alcohols, refined oils, soy protein isolate, and astack of emulsifiers that lets the bar survive a hot warehouse.This is a practical buyer's guide to the six ingredients to avoidin protein bars, the research behind each one, and what a cleaneringredient panel actually looks like at retail.
