Vitamins are a medicinal item that will increase the EVs of your Pokémon. Each vitamin will raise EVs in increments of 10 for 1 stat, until that stat reaches 100 EVs. After 100 EVs, Vitamins will not work for that particular stat.
Vitamins
 | Calcium |
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| Function | |
| Raises Special Attack EVs, of the user, by 10. |
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 | Carbos |
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| Function | |
| Raises Speed EVs, of the user, by 10. |
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 | HP Up |
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| Function | |
| Raises HP EVs, of the user, by 10. |
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 | Iron |
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| Function | |
| Raises Defense EVs, of the user, by 10. |
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 | Protein |
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| Function | |
| Raises Attack EVs, of the user, by 10. |
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 | Zinc |
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| Function | |
| Raises Special Defense EVs, of the user, by 10. |
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Purchasable
The Energy Guru in the market will sell you Vitamins. He will offer a pack of 10 Vitamins for 
40,000. This deal can only be purchased once per two weeks.
Department Stores
Kanto- The Vitamin Seller in Celadon Department Store 5 will sell vitamins for 8,000 each.
Johto- The Vitamin Seller in Goldenrod Department Store 5 will sell vitamins for 8,000 each.
Hoenn- The Vitamin Seller in Lilycove Department Store 5F will sell vitamins for 8,000 each.
Sinnoh- The Vitamin Seller in Veilstone Department Store 1F will sell vitamins for 8,000 each.
40,000. This deal can only be purchased once per two weeks.