Don't rely too much on cold crystal jelly to lose weight. It is best to lose weight according to certain exercise and healthy diet. Even if you want to use it, you should consult a professional doctor for advice and permission.

The most effective exercise to lose weight is aerobic exercise, which can help burn fat and improve human metabolism.

Remember to do more outdoor fitness exercises if you want to lose weight. Especially sports that consume more energy, such as jogging, mountain climbing, brisk walking, ball games, swimming, etc. The most important thing is perseverance.