Conjugated linoleic acid is a natural substance found in many of our foods that according to many studies can reduce fat and improve muscle mass in the body. Taken as a supplement with no change in eating or exercise habits, it would not make you lose weight but it could help you lose fat. It is often taken by men looking to lose weight and body build at the same time, but it can also be useful for anyone who is overweight and under-exercising, as any increase in muscle will increase the metabolism, burning more calories.

Like many natural weight loss products, conjugated linoleic acid (CLA) combined with a flexible healthy eating plan can lead to gradual long term weight loss and help you get out of the yoyo dieting cycle where you are constantly losing and gaining the same 10, 20 or 50 pounds. Yoyo dieting is very bad for the health. It is better to remain overweight than to keep on losing and gaining, losing and gaining.

There are only two ways to lose weight: one way is by eating less (consuming fewer calories) and the other is by increasing expenditure of energy (using up more calories). Green tea works by increasing output and this can be by around 4%. Most scientists believe that this is caused by the high quantity of catechin that is in the tea and its extract.

Green tea has the added benefit of containing powerful antioxidants that may be beneficial to your health in many ways, strengthening the immune system and protecting against disease.

Many studies have been done on CLA. One study published in the Journal of Nutrition found that people taking CLA lost on average six pounds of body fat more than a group that took a placebo. The researchers discovered that you need around 3.4 grams of CLA per day for it to be effective. CLA is found in food, especially meat and dairy products, but supplementation is necessary for most people to reach that level.

Another study at Purdue University, Indiana, found that CLA improved insulin levels in about two-thirds of diabetics, and slightly decreased their blood glucose level and triglyceride levels, suggesting that it may help to maintain normal insulin levels. But see your doctor before taking any supplements if you have diabetes.

Green tea is a simple, easy and inexpensive weight control aid that can easily be incorporated into any weight loss program. The choice of tea or extract offers something for everybody. Natural and safe, green tea weight loss should feature in your program if you want to keep the weight off permanently.