Probiotics are widely praised for supporting gut health, but they aren’t always the right choice for everyone. I’ve tried taking probiotics several times since the 1990s, and despite the growing research on the microbiome, they haven’t always helped me. In my case, I’ve been working to heal a leaky gut that contributed to diagnoses of celiac disease, Hashimoto’s autoimmune thyroiditis, and multiple sclerosis, so supplements that irritate my gut are particularly problematic.
A New York Times report raised an important concern: many probiotic supplements marketed for people with celiac disease contain gluten. The article, “Many Probiotics Taken for Celiac Disease Contain Gluten,” highlighted that even products labeled “gluten-free” sometimes tested positive for gluten. That finding explains why I’ve experienced stomachaches and significant digestive distress after taking certain probiotic supplements, even when I purchased them from reputable sources such as doctors’ offices or quality health stores like Pharmaca.
The authors of the study found gluten in probiotic supplements that carried “gluten-free” claims on their labels, and they discovered that the most expensive supplements were just as likely to contain gluten as the cheapest products.
Dr. Peter H. R. Green, director of the Celiac Disease Center at Columbia University, warned that people with celiac disease or anyone avoiding gluten should be cautious when choosing probiotic supplements. That advice resonates with me. I’ve learned to trust my body’s signals; when a supplement consistently causes discomfort, the safest choice is to stop taking it and investigate alternatives.
If a healthcare practitioner recommends a supplement or medication that makes you feel worse, consider these steps: stop using the product and document your symptoms, consult your provider to discuss possible causes and alternatives, request laboratory testing or ingredient verification when appropriate, and seek a second opinion if you don’t feel heard. Personal experience and careful monitoring are essential when managing autoimmune conditions and gut sensitivities.
If you prefer probiotic-rich foods rather than supplements, homemade fermented foods offer a reliable, natural option. For example, my homemade fermented pickles recipe provides a safe delivery method for beneficial bacteria without the risk of hidden gluten in supplement labels.