I suppose the answer is buy as much as you can! Anything sprayed that you dont peel. But because these toxins build up in your liver and other organs, you have to think about other things too like artificial additives and colours in foods you might eat as all these have the same effect on the body so you should cut out processed and artificial foods too…
The milk cartons with non growth hormone cows used explicitly says that there is no evidence of benefit from not ingesting growth hormone cows used explicitly says that there is no evidence of.
coltivation biological there there is’nt use of pesticide but you must be sure that be biological coltivation i dont know your law about here in italy one firm became biological only 5 years of use organically