This will be a chemical structure, not a formula.
A chemical formula is what scientists use to refer to the element. Vitamin A is the chemical which has the formula C20H19OH.
C63H88CoN14O14P
The chemical formula for vitamin C is C6H8O6
=b10*b11
C63H89CoN14O14P http://nugowiki.org/index.php/Vitamin_B12
The chemical formula of retinol, a form of vitamin A, is C20H30O.
C40H56 + O2 + 4H-----> 2C20H30O (beta-carotene) (vitamin A)
I think it's C3H4O3.
The vitamin B3 is nicotinic acid (or more correct pyridine-3-carboxylic acid) with the chemical formula C6H5NO2.
Ascorbic acid is C6H8O6.
The chemical formula of ascorbic acid is C6H8O6.
A kiwi is a mixture of many different componds. It does not have a chemical formula.