Beware Keto Diet Items - Brain Cell Damage? (Patreon)
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P.S. Before diving in, always check ingredient labels—after the first couple of lines, you’ll likely want to put the item back on the shelf.
Dangers of Erythritol, a sugar alcohol commonly used in keto-friendly and sugar-free products, has been flagged for potential health risks, particularly in a 2025 study from the University of Colorado Boulder:
Brain Cell Damage: Lab tests showed that erythritol, at levels equivalent to one sugar-free drink (about 30 grams), caused stress in human brain blood vessel cells within three hours. It increased reactive oxygen species (free radicals) by nearly 100%, damaging proteins and DNA, and reduced nitric oxide, which helps blood vessels relax, potentially leading to constriction and impaired blood flow.
Increased Stroke Risk: The same study found erythritol blocked tissue plasminogen activator, a “clot buster” that prevents blood clots from causing strokes, potentially increasing stroke risk. This aligns with a large observational study of 4,000 people linking higher blood erythritol levels to increased heart attack and stroke risk over three years.
Vascular Health Concerns: Erythritol increased endothelin-1, a protein that narrows blood vessels, raising blood pressure and further contributing to stroke risk. These effects were seen in lab settings but suggest a mechanism for cardiovascular harm.
Study Limitations: Critics argue that the concentrations tested may exceed typical dietary exposure, and the body’s natural production of erythritol (e.g., from glucose) complicates causation. More human studies are needed. I would stay away from it anyhow..... no shortcuts to health!
h/t Sanjay for the info
https://scitechdaily.com/scientists-warn-popular-sugar-substitute-linked-to-brain-cell-damage/
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