csj is bang on for the buck. But if your creeping nearer £20 a bag then record breaker is better than anything csj provide for the equivelent.
Here is the ingredents for the gain 20% and 28%, i would not touch this shite.
cereals, veg protein extracts, meat and animal derivatives (poultry), erivetives of veg origen,oils an fats, minerals, vitaminss, E U approved antioxdents 9bht,bha,propyl gallate and preservitive (citric acid)