To keep it brief there are two possible sides you could be on. If you are trying to lose weight you would want to be in a calorie deficit. If you are trying to gain weight then you want to be in a calorie surplus.

Recommended protein intake in a calorie deficit should be between 1.8g - 2.7g per KG of bodyweight.

Recommended protein intake in a calorie surplus should be between 1.6g - 2.2g per KG of bodyweight.

Now You Know How Much Protein You Should Be Having. Let Us Recommend Products You Would Find In UK Supermarkets To Help Meet That Target. Of Course, Without Breaking The Bank.