an inherited disorder in which a person does not have the enzyme lactase, which breaks down lactose (the sugar found in dairy products); lactase deficiency leads to lactose intolerance, which means the inability to digest lactose
The large intestine is also called the colon. It is responsible for reabsorbing all the fluid that has been pumped into the small intestine during the digestive process. It is responsible for making our bowel motions solid.
Liothyronine is a synthetic form of the active thyroid hormone T3. It is used in some patients to treat suspected hypothyroidism when problems occur in converting T4 to T3 for use by the body's cells. This may be due to a deficiency in deiodinase enzymes.
Sorry, you cannot buy the same test more than once in the same order because our laboratories need a unique order code for each test. If you would like to buy more than one of the same test please place a separate order.
Sorry, you cannot purchase a test for someone else online – tests can only be purchased by the person taking the test. If you wish to purchase a test for someone else, please call us on 03450 600 600.