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[–]jet199 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (1 child)

The issue with diet advice is that there is huge variation in responses to food so no one diet fits most people, let alone all.

It really is just a matter of putting the work in and doing trial and error to find out what works for you personally.

[–]Cornfed[S] 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)

If you are talking about achieving elite athletic performance or dealing with some particular medical issues then this is true, but for getting couch potatoes into shape the formula is fairly cut and dried for the vast majority.