在雅思口语中讨论减肥方法时，你可以参考以下表达：

生酮饮食法

High-fat, moderate protein, low-carb diet.

It's a ketogenic diet.

It's not about controlling calories but about changing the type of macronutrients you eat.

生酮饮食法的优点

No hunger pangs during the diet.

I lost nearly 13 kilograms in 3 months.

It's a great way to understand human metabolism.

其他减肥方法

Exercise, like doing push-ups every day.

Using tools like a hula hoop to keep the waist slim.

Taking dietary supplements, although these should be used with caution and under medical advice.

在谈论减肥方法时，请确保你的观点是健康和科学的，并且考虑到个人的身体状况和健康状况。如果你有任何健康问题，请咨询专业医生或营养师