A. they deactivate histamine
vitamin c
Vitamin D
It is a compound, so it is a pure substance.
There is a cholesterol that is found in the skin that will help to absorb the vitamin D that you get from the sun. This substance is called 7 dehydrocholesterol.
Vitamin D and Calcium
The word for a nutritional substance is a "vitamin".
it is organic
No. Fat soluble is the same as oil soluble. You cannot have a substance that can be diluted by both oil and water.
The substance found in apples and citrus fruits are vitamin C.
No one invented it, it is a naturally occurring substance.
foods with vitamin d