1. Natural as occurs in food sources.
2. Synthetic as manufactured.
or,
1. Water Soluble,
2. Non-water soluble.
Careful, there are actually two biochemical Forms of Vitamins - call them Classes: 1) Water soluble, and 2) Lipid soluble.
Vitamins, Minerals
pantothenic acid
No, it does not. Some forms of cooking can remove vitamins and minerals from food but they are not destroyed. Matter can not be created or destroyed, it will always exist in some form.
Vitamins supplements and Nutrition
Eight forms of vitamins E are known; see the link below for details.
Muscle contraction is caused by three forms of energy. This includes sugar such as glucose, vitamins like calcium, and fatty acids.
2
pumpkins and crutons
It is not really well established which vitamins and supplements enhance hair growth and appearance. Vitamin E has been shown to help hair growth and is available in a wide variety of forms.
I don't know what kind of vitamins you child is taking, or his\her age. Depending on age some vitamins require for that age to have two. One is what I take ( childrens vitamins).
The advantage of liquid dosing over other types of dosing is that liquid is easier to adjust. Pills and chewable tablets can really only be cut in half if needed, while liquid dosages can be split into mL or smaller amounts if needed.