As many Americans continue to struggle to lose weight, some are turning to weight loss aids such as herbal dieter's teas. Experts such as those from the U.S. Department of Agriculture (USDA) still agree that the best formula for weight loss is a modified diet and regular exercise. Use caution when trying weight loss aids, and always consult your doctor before trying herbal teas and other dietary supplements.
Ingredients
Weight loss teas have a variety of ingredients, each with a different purpose. Some common weight loss teas include dandelion, which is purported to cleanse the body and aid in weight loss; fennel, which is believed to act as an appetite suppressant; oolong, green tea and black tea, all of which have caffeine and are believed to increase metabolism. Other weight loss teas may also contain diuretics and laxatives such as senna, cascara sagrada and buckthorn. Check with your health care practitioner before using herbal weight loss teas, especially if you are currently taking prescriptions, as some herbs may interfere with certain medications.
Research
Few herbs have been clinical proven to aid in weight loss. Green tea, the nonfermented version of black tea popular in Asian countries, has undergone some evaluation. According to the University of Maryland Medical Center, a few studies have shown that green tea helps increase metabolism and burn fat. Green tea also contains caffeine and other chemical components which aid in weight loss by controlling appetite. However, more studies are needed. Talk to your doctor before using green tea as a weight loss aid.
Warnings
Just because a substance is labeled as natural does not necessarily mean it is safe. Many herbs found in dieter's teas and supplements can be dangerous. Senna, for example, is a powerful cathartic laxative. If taken for long periods of time it can cause dependency. It also interferes with the absorption of prescription medications. Likewise, natural diuretics like dandelion may interfere with the absorption of water-soluble vitamins and cause kidney damage. Furthermore, many dieter's teas contain harsh stimulants such as kola nut and guarana, which can be habit forming and can cause side effects such as heart palpitations. Read product labels carefully.
Weight Loss
Natural, permanent weight loss is the result of a balanced diet and regular exercise program. The USDA has outlined guidelines for healthy Americans based on food groups. Adults should eat about 6 to 8 oz. of grains daily, half of which are whole grains, and 5 to 6 oz. of protein foods like meat, fish and legumes. These main sources of calories should be combined with 4 to 6 cups of a variety of fresh fruits and vegetables each day.
In order to lose weight, the USDA recommends eating smaller portions and drinking more water, rather than following a fad diet. In addition, adults require a minimum of 2 1/2 hours of moderate to vigorous exercise each week.
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