Other trim-fast advanced that received FDA approval

Other trim-fast advanced that received FDA approval are Orlistat (Xenical) and Sibutramine (Meridia), which received approval in 1999 and 2001 respectively. While Orlistat is a lipase inhibitor that inhibits the absorption of dietary fats into the body, Sinutramine acts on brain through serotonin, norepinephrine and dopamine reuptake inhibition.

During the past few years, a number of Over-the-Counter (OTC) pills are being marketed on a large scale to weight-loss focused consumers. Herbal diet pills and weight loss supplements are also gaining significance gradually as herbal pills are being considered as the best diet pills causing minimal side effects.
A study looking into the eating habits of teenage girls suggests that the use of diet pills in young women is climbing at alarming rates. Research conducted by the University of Minnesota's "Project EAT" (Eating Among Teens) showed that 62.7% of female teenagers use moderately unhealthy weight management methods, while 27.9% use very unhealthy weight management methods. These methods include the abuse of diet pills that work, skipping meals, vomiting and laxatives.