Vitamins

Vitamins play a vital part in human metabolism. Some are produced by the human body itself, others must be regularly ingested via food. However, the bodies of some animals can produce vitamins that the human body can not produce.

Food that contains much vitamins

• Fruit
• Vegetable
• Meat
• Algae

Food that contains little vitamins

• Cereals
• Noodles
• Potatoes

These sorts of food are good for energy intake, nevertheless.

Artificial vitamins

Many vitamins can be produced artificially on an industrial scale, but with current knowledge an adequate supply with all vital vitamins seems not possible on an artificial basis. Natural food is inevitable, even in a colony on Mars.

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