ʻO ka Vitamin C, ka mea i kapa ʻia ʻo ascorbic acid, he vitamina hiki ke hoʻoheheʻe ʻia i ka wai i mea nui no ke olakino kanaka.Loaʻa ia i nā meaʻai he nui, e like me nā hua citrus (e like me nā ʻalani, nā lemona), nā strawberries, nā mea kanu (e like me nā tōmato, nā ʻulaʻula).