Generally speaking, there is no absolutely safe diet pill, and some studies claim that it will increase the risk of heart disease and stroke for users. General pharmacies and institutions specializing in weight loss can buy them, and there are also different brands of products. But the key to losing weight is to eat less and exercise more. Drugs can only be used as an aid, and some daily habits that are conducive to weight loss should be adhered to for a long time.
AskWADJK's question:
The specific effect will vary from person to person. I haven't used it, so I can't give an evaluation.