Items that are on-demand, non-stock, or special-order products are ordered specifically for the customer and cannot be cancelled once the order has been placed
[4] However, consistently taking large amounts of vitamins from multiple sources could potentially increase the risk of side effects (for example, very high vitamin B intake from multiple supplements over time can cause neuropathy, and high niacin from many sources could affect your liver)
Athletes assume responsibility for supplement use, and WADA recommends using reputable third-party certification programs if athletes choose to use dietary supplements
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