Generally speaking, the exercise time should not be less than 30-60 minutes every day to achieve the effect.

You can play badminton for about 40 minutes, and the exercise time can be gradually lengthened! It will take about 1 week to see the effect you said! To eat L-carnitine, you must exercise until you sweat.

In this case, you need to make the above judgment according to your personal situation, and you can't judge blindly.

I wish you success in losing weight ~!