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Generic Name
Trade Name
Risk Category
  • Adequate and well-controlled studies have failed to demonstrate risk on fetus.
  • Possibility of fetal harm seems appears remote.
The risk category will be C only if used in doses above the RDA.
FDA Pregnancy Risk Categories

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  • Vitamin B2. Water-soluble.
  • The recommendation dietary allowance (rda) in pregnancy is 1.6 mg.
  • Fetal Risk
    Fetal Risk
  • Crosses the placenta by active transport, fetal and neonatal levels are higher than maternal.
  • Riboflavin deficiency is teratogenic in animals.
  • Possible association between neural tube defects and riboflavin deficiency in human pregnancy.
  • Breast Feeding
    Breast Feeding
  • Excreted into milk. rda in lactation is 1.8 mg.
  • Safe in breast feeding supplementation is needed in women with poor nutritional supply and those gave preterm birth because levels in the milk of preterm mothers are lower than term mothers.
  • Other Trade Names
    The information on this Web site is not intended as a substitute for the advice and care of your doctor or other health-care provider. Always consult your doctor if you have any questions about exposures during pregnancy and lactation, and before you take any medications. Please read the Terms and Conditions before using this website.
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