Comfrey leaf contains allantoin, which promotes the growth of connective tissue, bone, cartilage, and is easily absorbed through the skin. Comfrey leaf is one of the most well-known healing plants, especially for its ability to heal tissue and bone (due to its allantoin content, which promotes the growth of connective tissue, bone, and cartilage, and is easily absorbed through the skin). Also used externally for varicose ulcers and veins and minor burns. A beneficial remedy for respiratory disorders, gastric ulcers, and colitis. Considered an overall tonic; good for the stomach, liver, kidneys, and bowels. Other indications: mental fatigue, cramps in the legs, coughs, colds, anemia, pain, arthritis, and infections. There is controversy around the use Comfrey leaf due to its presence of pyrrolizidine alkaloids (higher amounts in root than leaf), which are considered carcinogenic to the liver; however, these studies have been performed on rats that were fed up to 33% of their diet in comfrey leaf. Studies done with the whole plant (rather than with isolated constituents) do not show carcinogenic effects but rather the opposite. In fact, the Japanese use vinegar extracts for treating cirrhosis of the liver. Due to the controversy, avoid excessive consumption of comfrey. Tinctures and teas that are made from the leaf have less pyrrolizidine alkaloids. EXTERNAL USE NOT SOLD FOR INTERNAL USE
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Alternative Health & Herbs Comfrey Leaf Herb Skin Poultice – 2.5 fl oz
