#4 What Sugar-Free Labels Don’t Tell Your Gut

Sugar-free, high protein, low calorie: those are marketing claims, not gut health claims. Dr. Remina breaks down what ultra-processed foods are associated with in your gut microbiome, which additives researchers are watching (including a new preprint that is promising, not proven), and why a gut under pressure can show up as bloating, low mood and brain fog. No food guilt, just what to look for on the label. Want a closer look at your symptoms?

Reference:

The additives quietly working against your gut

A 2025 review found ultra-processed foods, and their emulsifiers and sweeteners specifically, are associated with reduced gut microbial diversity and a weakened gut barrier. Source: “The Detrimental Impact of Ultra-Processed Foods on the Human Gut Microbiome and Gut Barrier.” Nutrients, 2025. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11901572/

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Timestamps

00:00 - Introduction: Sugar-free labels and your gut

01:22 - Ultra-processed food and microbial diversity

02:00 - How emulsifiers affect the gut lining

02:32 - Sweeteners plus sugar alcohols: new preprint

05:00 - Gut serotonin, mood and brain fog

05:46 - Reading past the front label

06:32 - Fiber variety, dose and frequency

07:22 - Food guilt and what to take away

Disclaimer: This show is medical education, not medical advice. I'm sharing general information to help you understand your body, and listening doesn't create a physician-patient relationship between us. Everyone is different, so please talk with your own physician before you make changes to your health care.