Sometimes shaving calories off your daily diet and regular exercise do not provide desired weight-loss results, which is where dietary supplements can give you a boost. The Mayo Clinic warns, however, that many diet supplements don't go through the same rigorous safety standards as prescription drugs and several have already been banned due to health risks. Consult your doctor before taking any supplement to lose weight.
Green Tea Catechins
This beverage made from unfermented tea leaves contains the highest concentration of antioxidants polyphenols called catechins. According to the University of Maryland Medical Center, several clinical studies indicate that green tea may help to rev up metabolism and increase fat burning. In a study published in the "Journal of Nutrition," green tea catechins increased the amount of abdominal fat that overweight and obese adults experienced when combined with exercise. Researchers believe that the catechins in green tea have a thermogenic or fat-burning effect. These compounds are available in capsule or liquid extract form; the University of Maryland Medical Center recommends taking about 240 to 320 mg per day.
Ginger
This pungent herb is a natural vasodilator, which means it expands blood vessels. When your blood vessels expand and blood flow increases, your body heat and metabolism both increases. A study published in the "International Journal of Obesity," reveals that ginger could increase metabolism by 20 percent. The maximum amount of ginger you should take is 4 g, according to MedlinePlus. If you have a heart or blood pressure problem, consult your doctor before taking ginger.
Fucoxanthin
Fucoxanthin is a compound found in brown seaweed, which is commonly used to season Asian soups and salads. Researchers in Japan discovered that fucoxanthin could boost weight loss by preventing the accumulation of fat. In their animal tests, this compound reduced weight by 5 to 10 percent. It also stimulated the production of an omega-3 fatty acid called docosahexaenoic acid or DHA. This fatty acid helps lower bad cholesterol, which is often elevated in those who are overweight or obese and contributes to heart disease.
However, Ray Sahelian, a physician and writer warns that human studies are needed and consumers should be careful when buying fucoxanthin products. Some of these products may be pure brown seaweed, which is loaded with iodine that can cause health problems. Look for a product that has a high concentration of fucoxanthin from edible brown seaweed and buy from trusted brands only.
References
- UMM: Green Tea
- Journal of Nutrition (2008): Green Tea Catechin Consumption Enhances Exercise-Induced Abdominal Fat
- "The Fast Track One-Day Detox Diet"; Ann Louise Gittleman; 2005
- International Journal of Obesity: Pungent Principles Of Ginger (Zingiber Officinale) Are Thermogenic
- MedlinePlus: Ginger
- ScienceDaily: Brown Seaweed Contains Promising Fat Fighter, Weight Reducer



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