Simple question. We, as omnivours must eat fruits and vegetables to be healthy but… Lions? Sharks? Cocodriles? Where are their vitamins. Thanks
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Animals synthesize most chemicals they need. The few they can’t synthesize are the ones that they get in their normal diet.
For example, most animals synthesize vitamin-C and therefore don’t need to eat food that contains it. Apes (including humans) are one of the few exceptions. Another exception is guinea pigs, and it’s pure luck that some of the early scientists experimented on guinea pigs to try to find the cause of scurvy – if they used rats instead, they wouldn’t have found the cause.
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