Antronex is a natural antihistamine and liver decongestant Use For: Asthma, allergies, portal hypertension, (high blood pressure due to malfunction of the liver), toxic thyroid (hyper). Antronex® Contains the Principal Ingredients Calcium Lactate And 15 Mg Of Yakriton; A Bovine Liver Fat Extract, Discovered by the Japanese researchers in the 1920's, there are reams of literature in that country about the anti-histamic effect of this liver extract. Dr. Harrower who wrote the classic work "Practical Endocrinology" stated that Yakriton (ANTRONEX) is "the detoxifying hormone of the liver." ANTRONEX is rated according to the amount of Yakriton it contains. Yakriton is the blood-filtering fraction of the liver. So the product quickens the detoxification of the blood in its flow through the liver.