Do you know which is the best supplement for weight loss?

None do it naturally: There are many advertisements discussing "weight loss supplements", however be cautious as these supplements or online products cause more harm than good than actually help with weight loss. I would not recommend any herbal supplements or "detox" agents. Best thing is to eat a well balanced diet which includes fruits and vegetables, drink 8 glasses of water a day and exercise 3-4 times a week.