Final answer:
Plants, fungi and algae, and animals all have natural forms of vitamins.
Step-by-step explanation:
Plants, fungi and algae, and animals all have natural forms of vitamins. Natural forms of vitamins can be found in plants, such as fruits and vegetables, which are rich in various vitamins like vitamin C and vitamin A. Fungi and algae, such as mushrooms and seaweed, also contain natural forms of vitamins. Animals, including humans, obtain vitamins from their diet as well.
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