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Diet Fuel is one of the many nutritional and sports supplements made by TwinLab. This company offers a wide range of weight loss and performance enhancement products designed with very specific purposes in mind. The supplements appear to be characterized by a small number of active ingredients for greatest effect. According to one product website, Diet Fuel is formulated for active females to help them lose weight and increase muscle definition. There is also an Ultimate Diet Fuel, which appears to be an amped up version of the original formula.

How Does Diet Fuel Work?

Based on the ingredients listed on the company website, Diet Fuel focuses on fat burning. The first ingredient is guarana, which is a form of caffeine. Guarana has been proven to boost the metabolism, but it can also produce undesirable side effects in some individuals, including nervousness, nausea and difficulty sleeping. Diet Fuel also contains a thermogenic complex that includes the following ingredients:

• Citrus Aurantium Fruit Extract – Also known as bitter orange, this ingredient is commonly used in weight loss supplements today. While its thermogenic properties are well documented, it is not appropriated for people with pre-existing cardiovascular condition or who are taking certain prescription medications. Talk to your doctor before taking any weight loss supplement with this ingredient.
• Green Tea Leaf Extract – This is another effective thermogenic ingredient that also provides antioxidant benefits.
• St. John’s Wort – This herb has long been touted for its natural ability to treat depression. It is also effective in boosting energy levels, which can help you stick with an exercise program. St. John’s Wort is not right for everyone; talk to your doctor before taking.
• L-Phenylalanine – This essential amino acid may play a role in preserving lean muscle tissue. It is also found in protein-rich foods, but some bodybuilders and dieters find a supplement of this nutrient is helpful in meeting goals.

Diet Fuel also contains ginger and cayenne, which can both be beneficial to the digestive system. The one ingredient that is conspicuously absent from this mix is a proven appetite suppressant, like hoodia gordonii, which can effectively reduce cravings and hunger for a more successful weight loss program.

Benefits of Diet Fuel

• The formula contains many proven thermogenic ingredients to help the body burn fat and calories more efficiently
• The product is offered by an established supplementation company that has 30 years of experience in the supplement industry
• Diet Fuel is available through numerous online retailers and brick and mortar stores
• Green tea in the formula offers antioxidant benefits as well
• The company website provides ample information about the product, including a complete ingredient list and dosing recommendations

Cons of Diet Fuel

• Some of the ingredients in the formula may be dangerous to those with pre-existing medical conditions or who are taking prescription medications
• Thermogenic ingredients may produce undesirable side effects like nausea, nervousness, increased heart rate and difficulty sleeping
• The formula does not include a proven appetite suppressant
• Because the product is not available from the company directly, it may be difficult to get a money back guarantee on purchases

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