Interaction Details

Retinol is classified as belonging to the following category: Cytochrome P450 2C8 (Cyp2C8) Substrates

Theoretically, fo-ti might increase the levels and clinical effects of drugs metabolized by CYP2C8.
In vitro research suggests that fo-ti might inhibit CYP2C8. However, this interaction has not been reported in humans.

Interaction Rating

Moderate

Likelihood of Occurrence

Possible

Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists

References

  • Xing Y, Yu Q, Zhou L, et al. Cytochrome P450-mediated herb-drug interaction (HDI) of Polygonum multiflorum Thunb. based on pharmacokinetic studies and in vitro inhibition assays. Phytomedicine 2023;112:154710.

Retinol Overview

  • Vitamin A is used as a dietary supplement when the amount of vitamin A in the diet is not enough. People most at risk for vitamin A deficiency are those with a limited variety of food in their diet and in those with cystic fibrosis (an inborn disease that causes problems with breathing, digestion, and reproduction) and malabsorption problems (problems absorbing food). Vitamin A is used to prevent and treat xerophthalmia (unable to see in low light) and night blindness. Vitamin A is in a class of medications called an antioxidant. It is needed by the body to help with vision, reproduction, cell growth, and to support the immune system. It works to protect your cells against free radicals and to support cell growth and function.

See More Information Regarding Vitamin A

Fo-ti - More Interactions

Fo-ti interacts with 1213 drugs

Interaction Rating Key

These severity listings are for informational use only. Never start, stop or otherwise change your therapy before speaking with your provider.

Major The combined use of these agents is strongly discouraged as serious side effects or other negative outcomes could occur.
Moderate Use cautiously under the care of a healthcare professional or avoid this combination. A significant interaction or negative outcome could occur.
Minor Be aware that there is a chance of an interaction. Watch for warning signs of a potential interaction.
Unknown No interactions have been reported or no interaction data is currently available.

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Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

Drug descriptions are provided by MedlinePlus.

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