It does not increase testosterone directly but stimulates pituitary gland to produce more LH or Luteinizing Hormone, which in turn makes your testes produce more testosterone. It's great for enhancing your libido or sex drive. As a matter of fact, it can help you perform like a stud in bed! What are some of these unwanted signs of aging? They can include osteoporosis or weakened bones, loss of muscle, weight gain that is mostly fat, bodily aches and pains, fatigue, sweating, hot flushes, decreased libido and poor sexual performance, deteriorating memory, irritability and even depression. Osteoarthritis is the most common type of arthritis in the United Kingdom and affects about 8 million people. Rheumatologists have a special interest in unexplained rashes, fever, arthritis, anemia, weakness, weight loss, fatigue, joint or muscle pain, autoimmune diseases and anorexia. They often act as consultants, acting as medical detectives at the request of other doctors.