Ascorbic acid has been assigned to pregnancy category A by the FDA when used in doses that are advocated by the FDA. Doses exceeding the recommended dietary allowance (RDA) have been assigned to pregnancy category C. Animal studies have not been reported. There are no controlled data in human pregnancy. Ascorbic acid is only recommended for use during pregnancy when benefit outweighs risk.

High doses of ascorbic acid taken during pregnancy have been reported to cause conditional scurvy in infants following birth.

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Ascorbic acid is excreted into human breast milk. The effects in the nursing infant are unknown. The manufacturer recommends that caution be used when administering ascorbic acid to nursing women.

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