Allopathic pills and Ayurvedic pills for slimming are both not recommended by Food and Drug Administration or the Medical Council of India.
Weight loss drug therapy is designed for people who are overweight, who have tried to follow a healthy meal plan with regular exercise for over 6 months and have undergone behavioral change with unsuccessful results. Guidelines from the National Heart, Lung and Blood Institute recommend the weight loss drug therapy for people with a BMI of 30 or greater with no existing health risks or for people who have a BMI of 27 or greater along with health risk conditions such as diabetes, heart disease.
Two prescription medications are approved by the U.S FDA to treat obesity for long term use (longer than six months): sibutramine (Meridia) and orlistat (Xenical). In February 2007, the FDA approved an over the counter version of orlistat called Alli.
A drug called lorcaserin, marketed as Belviq and made by Arena Pharmaceuticals has recently been approved by the US Food and Drug Administration as the first drug to treat obesity in 13 years. The drug works to control the appetite through receptors in the brain by activating the serotonin 2C receptor.
Sibutramine changes the brain chemistry and makes one feel full quickly. Orlistat inhibits enzymes that break down fat thereby decreasing fat absorption. They could have multiple side effects like increased blood pressure, headache, dry mouth, constipation, stomach aches, sleep disturbances and thereby need to be taken with caution and under expert guidance.The consumption of these pills must be coupled with a healthy eating and exercise plan.