# CHAPTER 13 LESSON 3: SUPPLEMENTS FOR FAT LOSS

Supplements for Fat Loss

FIGURETrends in Obesity
One survey of 3,500 U.S. adults revealed that among those making a serious attempt to lose weight, over....
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Supplements for Fat Loss
Stimulants
Caffeine
Caffeine (1,3,7-trimethyl-xanthine) is a naturally occurring substance in coffee beans, kola nuts, guarana seeds, yerba mate, and tea leaves, and it is also synthesized in a lab as caffeine anhydrous. It stimulates the nervous system and has been shown to modestly increase daily energy expenditure, decrease energy intake, reduce perceived-effort-level of exercise, and improve feelings of energy and alertness
energy expenditure by 8 to 11% in both groups. This equated to a significant daily increase of 79 calories in the formerly obese participants and 150 calories in the lean subjects. A meta-analysis of six well-designed studies revealed caffeine-only and caffeine with catechins from tea significantly increase 24-hour energy expenditure by 4.8 and 4.7% respectively compared to the placebo. A caffeine-catechin mixture also significantly increased fat oxidation
increase energy expenditure and fat oxidation and potentially decrease acute energy intake. Active healthy adults consumed a moderate dose of caffeine (3 milligrams/kilograms) 90 minutes before an hour of moderate-intensity exercise and 30 minutes post-exercise, which resulted in significantly higher energy expenditure and fat oxidation. Fewer calories were consumed 2 hours later compared to a meal consumed after an exercise bout without caffeine ingestion