As far as I'm aware the molecules of all vitamins contain carbon atoms, so they are all 'organic' in the chemical sense of the term.
No their organique
no
Yes vitamins are organic substances. In fact organic compounds which are absolutely necessary for body but which cannot be synthesised by the body and are obtained from diet are called vitamins.
Most vitamins are substances that your body cannot produce by itself, so you need to take them in with food. Whether you're a girl or boy, young or old doesn't matter, you have to get enough of all vitamins or your body will suffer. The doses change only slightly.
The body cannot manufacture the following substances that food provides - vitamins minerals proteins fat carbohydrate water
Vitamins are essential for all body functions like growth, repair of tissues and to maintain normal metabolism. These are naturally occurring compounds present in most foods. The human body cannot produce vitamins and therefore has to acquire them from external sources.
Vitamins are naturally occurring compounds present in most foods. The human body cannot produce vitamins and therefore has to acquire them from external sources: diet or supplements.
An autotroph is an organism that can create nutritional substances from simple inorganic substances, like a plant that undergoes photosynthesis. As a whale cannot do this, no, they are not autotrophs, they are heterotrophs.
Vitamins that cannot be stored in the body are water-soluble vitamins.
no
because it is carbon containing compound
Elements.
"synthesized"
An element cannot be separated into simpler substances by chemical means.