---
title: Review Explores Role of Micronutrients, Antioxidative Status, and Endometrial Health
description: Vitamin C, D, and E may reduce pelvic pain and inflammation in endometriosis, while genistein shows similar antioxidative and anti-inflammatory potential.
image: https://www.casi.org/hubfs/casi/featured/9-22-endometrial-health.jpeg
---

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Science Update

# Review Explores Role of Micronutrients, Antioxidative Status, and Endometrial Health

CA Cory Ambrose, ND, MAT Sep 22, 2023

![Review Explores Role of Micronutrients, Antioxidative Status, and Endometrial Health](https://www.casi.org/hs-fs/hubfs/casi/featured/9-22-endometrial-health.jpeg?width=960)

Endometriosis is characterized by the presence of endometrial tissue outside of the uterus, mainly in ovaries or other parts of the abdomen, often resulting in [severe pelvic pain](https://www.dynamed.com/condition/endometriosis) and significant impacts on quality of life. It affects approximately 10% of reproductive-aged women; however, diagnosis is commonly delayed between 4 and 11 years after [symptom onset](https://pubmed.ncbi.nlm.nih.gov/37644533/) and there is currently no known cure. While the pathophysiology of endometriosis is not fully understood, the pain associated with endometriosis has been linked to the [inflammatory response](https://www.dynamed.com/condition/endometriosis); the overproduction of prostaglandins and pro-inflammatory cytokines can incite central nervous system sensitization and stimulate a pain response. 

Some preliminary research suggests that antioxidative status in the body may be associated with certain aspects of endometrial health. One study linked a higher intake of [citrus fruits](https://pubmed.ncbi.nlm.nih.gov/37644533/) with a lower risk of endometriosis. Recent clinical evidence suggests that certain vitamins and micronutrients may help support endometrial health and the body’s response to endometriosis-associated pain. 

A systematic review and meta-analysis by [Zheng and colleagues](https://pubmed.ncbi.nlm.nih.gov/37644533/) investigated the role of vitamins known to support antioxidative status and the inflammatory response in endometrial health. The study included data from 13 randomized controlled trials, involving a total of 589 participants and supplementation with either vitamin C, D, or E. When compared with a placebo, decreases in [pain scores](https://pubmed.ncbi.nlm.nih.gov/37644533/) were observed in studies using vitamin C and vitamin E. Overall, significant reductions in chronic pelvic pain associated with endometriosis were reported in this [meta-analysis](https://pubmed.ncbi.nlm.nih.gov/37644533/).  

In addition, the meta-analysis found significant decreases in certain inflammatory markers in peritoneal fluid upon supplementation with vitamins C and E compared with placebo. These inflammatory markers include [interleukin(IL)-6](https://pubmed.ncbi.nlm.nih.gov/37644533/) and monocyte chemoattractant protein-1 (MCP-1/CCL2). [MCP-1/CCL2](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2755091/) helps regulate the migration and infiltration of monocytes and macrophages from the bloodstream across the vascular endothelium as part of the inflammatory response. Improvements in [antioxidative status](https://pubmed.ncbi.nlm.nih.gov/37644533/), including malondialdehyde levels, were also reported in the presence of vitamin C and E when compared with placebo. Improvements in pain associated with dyspareunia were observed when a combination of vitamin C and E was administered for 8 weeks. However, due to the size and lack of heterogeneity among the studies, clinical conclusions cannot be made from this meta-analysis. Further research is required, particularly studies with fewer variables, more unified primary outcomes, clearly stated forms of vitamin E used, and larger patient populations. 

Genistein, a [flavonoid](https://pubmed.ncbi.nlm.nih.gov/35140617/) derived from soybeans and other legumes, may help support the inflammatory response, antioxidative status, and endometrial health. In an animal study, genistein was shown to help decrease the expression of [cyclooxygenase-2](https://pubmed.ncbi.nlm.nih.gov/35140617/) (COX-2) in endometriosis mouse models. Genistein may also reduce [pro-inflammatory cytokines](https://pubmed.ncbi.nlm.nih.gov/35140617/) including IL-6, IL-1ꞵ, and tumor necrosis factor-α. It also may influence [nitric oxide production](https://pubmed.ncbi.nlm.nih.gov/35140617/) and intracellular levels of reactive oxygen species (ROS).

While more research is needed, certain vitamins and phytonutrients may help promote endometrial health. They may also help promote a healthy inflammatory response, antioxidative status, and a normal pain response.

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Clinical Application

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