Iron Supplement. Dhatri means the mother of all herbs and is known to be a protective medicine for all disorders. Lauha refers to the purified iron content. Dhatri Lauha is a very rare combination of several medicinal plants & minerals. It is used in the treatment of anaemia and improves absorption of nutrients. It is used in treating a wide variety of gastric and intestinal complaints. It is also very good for eyes.