How many different B vitamins are there? And what do they do?

What vitamins help clear up skin? I know vitamin c does but what others? and also how many can you take a day of different vitamins? Because some days I take vitamin c, calcium, my regular vitamin, and another one I cant think of right now. My mom tells...

I hear Vitamin B is good for the heart, metabolism, energy, hair but which is for which? It's so confusing so thanks!

A) Water soluble vitamins have more atoms than fat soluble vitamins B) Water soluble vitamins contain polar groups, such as OH and fat soluble do not C) Water soluble vitamins ...show more

I am planning my science fair project. My question is, "How do different vitamins and minerals affect a plant's (haven't decided what plant yet) growth and health?" I plan on having different plants (preferable a flowering one) and giving them...

Just started taking vitamins and was wondering if there are ill-effects for taking too many, meaning combining different vitamins and multi vitamins.

HOW many vitamins & Clary, i west in one time masturbating , suppose i dane masturbate i put out sperm , give the detail on it HOW many man earn clary , if i drink 1 litter milk how many i get clary, like this example , or help full ,,,,,,,,,WEB...

I was asleep last night, and woke up, and My child had gotten out of bed went downstairs and taken flintstone vitamins. I asked Her how many She took, and she keeps holding up 2 fingers, and saying 2. She took a half of a vitamin the evening before....