You're right, oneyummymummy - we do know what's it formula. For example:
Ingredients in all SMA Gold Products.
Reduced minerals whey, vegetable oils, skimmed milk powder, lactose, emulsifiers(soya lecithin and monoglycerides of fatty acids), calcium chloride, potassium bicarbonate, sodium citrate, vitamin C, taurine, potassium hydroxide, ferrous, sulphate, potassium citrate, zinc sulphate, cytidine-5'-monophosphate, calcium hydroxide, disodium uridine-5'-monophosphate, vitamin E, antioxidant(tocopherol-rich extract),adenosine-5'- monophosphate, niacin, disodium inosine-5'-monophosphate, disodium guanosine-5'-monophosphate, pantothenic acid, vitamin A, copper sulphate, potassium chloride, thiamin, vitaminB6, riboflavin, beta-carotene, mananese sulphate, folic acid, potassium iodide, vitamin K, sodium selenite, biotin, vitamin D, vitamin B12.
And we don't know exactly what's in breastmilk because it's infinitely more complex than a man-made substance.
I think you are being deliberately obtuse in refusing to accept the statement that breastmilk is not a one size fits all situation. Every woman's breastmilk differs, as each child's needs differ. It is as far from 'one size' as can be. Using the clothes analogy, it is bespoke.