Tannin intolerance - NATURE CURES
naturecures.co.uk › allergies › tanninsThe growth of many fungi, yeasts, bacteria, and viruses are inhibited by natural food tannins but eating too much of them without vitamin C can cause some health issues. Health issues tannins can cause Bezoar formation (an intestinal obstruction) Bowel irritation Gastrointestinal pain Headaches and migraine Irritation of the stomach lining