Необходимо написать сочинение по английски 1) Что такое витамины ? 2)

 Nowadays there  are  a lot of ecological problems, which cost us different illnesses. So, thats why we should take different vitamins to improve our health.

 Vitamins are some special different substances , in which our body needs to work well. For example, we need vitamin C for our immune system, vitamin A for our eyes , vitamin D for our bones, e.t.c.

 But what people need to eat if they want their body work well? Absolutely we need to eat a lot of different fruits and vegetables, because they have a lot of different useful elements.Drink a lot of still water, eat meat and fish.