condition
    Women's Health

    Uterine Fibroids

    Uterine fibroids are common benign growths that can cause heavy periods, pelvic pressure, and fertility issues. Heavy bleeding often leads to iron deficiency, making iron status a key supplement consideration alongside medical management.

    TL;DR

    Common benign uterine growths that can cause heavy periods, pelvic pressure and fertility problems. Heavy bleeding often drives iron deficiency, which makes iron status the key nutritional issue.

    Overview

    Uterine fibroids are benign smooth-muscle growths of the uterus, present in a majority of women by age 50 though often without symptoms. When they do cause problems, the pattern depends on position and size: submucosal fibroids distorting the cavity cause heavy or prolonged bleeding and can affect fertility and implantation, while large intramural or subserosal fibroids cause pelvic pressure, bloating, urinary frequency and back pain. They are oestrogen and progesterone responsive, which is why they typically grow during reproductive years and shrink after menopause. Medical options range from tranexamic acid and hormonal treatments for bleeding to GnRH analogues, uterine artery embolisation, myomectomy and hysterectomy depending on symptoms and fertility plans. The nutritional issue that matters most is iron. Chronic heavy menstrual bleeding is a leading cause of iron deficiency and iron deficiency anaemia, and fatigue attributed to fibroids is frequently iron related and correctable - ferritin should be checked rather than assumed. Vitamin D deficiency is associated with fibroid presence in observational data, and small trials suggest correction may slow growth, though the evidence is preliminary. Green tea extract has one small trial with positive results; it also carries a recognised liver injury signal at high doses.

    How It's Diagnosed

    When to See a Doctor

    See a clinician for periods soaking through protection hourly, bleeding between periods, pelvic pain with fever, rapid abdominal swelling, or any bleeding after menopause.

    Supplements Studied For This

    Supporting Research

    Frequently Asked Questions

    Do fibroids need treating if they are not causing symptoms?
    Usually not. Asymptomatic fibroids are commonly monitored, and many shrink after menopause. Treatment is driven by bleeding, pressure symptoms or fertility plans.
    Why does iron matter so much here?
    Heavy menstrual bleeding is a leading cause of iron deficiency. Fatigue, breathlessness and poor concentration blamed on fibroids often reflect low ferritin and improve with correction.
    How should iron be taken?
    Alternate-day dosing of around 60-100 mg elemental iron absorbs better than daily dosing and causes fewer gut effects. Take with vitamin C, away from tea, coffee and calcium.
    Does vitamin D shrink fibroids?
    Observational data link deficiency with fibroids and small trials suggest correction may slow growth, but the evidence is preliminary. Correcting a documented deficiency is reasonable regardless.
    What about green tea extract?
    One small trial of around 800 mg/day EGCG reported reduced fibroid volume and bleeding. It has not been replicated, and concentrated extracts carry a recognised risk of liver injury.
    Do fibroids affect fertility?
    Submucosal fibroids that distort the uterine cavity do, and removal improves outcomes. Fibroids outside the cavity generally have less effect, which is why position matters more than number.

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    This information is for educational purposes only. Always consult a healthcare professional before starting any supplement regimen.