what are symptoms of bad gut bacteria?
['Upset stomach. Stomach disturbances like gas, bloating, constipation, diarrhea, and heartburn can all be signs of an unhealthy gut. ... ', 'A high-sugar diet. ... ', 'Unintentional weight changes. ... ', 'Sleep disturbances or constant fatigue. ... ', 'Skin irritation. ... ', 'Autoimmune conditions. ... ', 'Food intolerances.']