CAUTION! Leaves can be POISONOUS if consumed over a long period of time. High tannin content of leaves can cause digestive problems. According to the German Commission E Monographs, high doses on prolonged use have produced the following effects in animal testing: initial cachexia, anemia, icterus, acute excitation, disturbances of tonicity, followed by possible death after chronic ingestion of 1.5 grams per day. Which is another way of saying malnutrition, lowered red blood cell levels, yellowing of skin and whites of eyes all in advance of possible death. Theraputic use of the leaf is NOT CONSIDERED JUSTIFIABLE in view of the lack of documentation on effecacy weighed against risks.
Fresh berries can have a laxative effect on some people and a constipating one on others. |