Left-handers are mainly used for sports. If you take four tablets at a time and don't exercise, you can feel the heat, but it's not bad for your body, and if you don't exercise, your body will be useless after a week of adaptation.
And everyone's physique is different. Some people feel obvious after eating two pills, while others don't. If you cooperate with exercise, you should feel obvious in about two weeks. Eat according to the instructions and cooperate with exercise. I believe you will change. Pay attention to contrast before use, and don't encounter fakes.