If I lose 15 kg in 30 days, will it be due to fat or muscle? My weight is 55 kg with a height of 162 I want to lose at least 43 kg.

If I lose 15 kg in 30 days, will it be due to fat or muscle? My weight is 55 kg with a height of 162 I want to lose at least 43 kg.

My weight is 55 with an increase of 162 I want to lose weight up to 43 kg, if I lose weight, will my body weight decrease?

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