Signs Your Gut Microbiome is Out of Whack (And How to Fix It)

17. Cracked or Coated Tongue

Your tongue can reveal more than dehydration—it’s also a window into your gut. A white coating, inflammation, or cracked surface may indicate bacterial or yeast imbalances in the digestive tract, particularly candida overgrowth. While these signs are often overlooked, they can be early clues of microbiome distress. Restoring balance involves limiting sugar (which feeds candida), increasing probiotic foods, and incorporating antifungal natural remedies like garlic or oregano oil. Also, try a daily tongue scraping routine to remove surface buildup while you heal the gut from within.

18. Cold Hands and Feet

If your extremities are always freezing—regardless of the weather—it could be more than poor circulation. An imbalanced gut can impair nutrient absorption, especially iron, magnesium, and B vitamins, all of which support healthy blood flow. When these levels drop, your body struggles to regulate temperature, leaving your hands and feet icy. Additionally, gut-induced inflammation can constrict blood vessels, worsening the issue. To warm up from within, focus on gut-healing foods rich in absorbable nutrients: bone broth, leafy greens, lentils, and fermented vegetables. And don’t underestimate the power of a diverse, fiber-rich diet to get your microbiome (and circulation) back on track.