The Hidden Thyroid–Gut Connection: Why Low Thyroid Can Cause Constipation, Bloating, SIBO & Histamine Issues
If you struggle with constipation, bloating, food reactions or histamine-type symptoms, but your thyroid blood tests have been called “normal,” this may be the missing piece. Your thyroid doesn’t just control metabolism, it plays a central role in digestion, gut movement and microbiome balance. When thyroid function slows, the digestive system slows with it. This