10/22/2026
If your PMS keeps getting worse and every answer you get is some version of “just take ibuprofen,” stay with me for a minute. Your gut may be playing a bigger role than anyone has told you.

Your liver has a packaging system called glucuronidation. It takes things your body is done with, like used estrogen, testosterone, many medications, environmental chemicals, and some mold toxins, and wraps them up so they can be removed. Some of those packages leave through your urine. Others are sent into your gut to leave with your stool.

That’s where your gut bacteria come in. Certain strains make an enzyme called beta-glucuronidase, and it rips those packages back open, like raccoons tearing into the trash bags you just set out on the curb. Once the bag is open, what was inside can be reabsorbed into your bloodstream instead of leaving your body.

High beta-glucuronidase has been linked to:
→ Estrogen recycling, which can add to symptoms like heavy periods, breast tenderness, and a rough premenstrual week
→ Constipation, since slower transit gives the enzyme more time to work
→ Stronger gut side effects from certain medications that get reactivated in the intestine
→ Some toxins hanging around longer before they clear
Researchers are also studying its role in hormone-sensitive cancers like breast cancer, and in colon cancer. The research is still early, and a link isn’t the same as a cause. It’s a number I’d rather know than guess at.

And you don’t have to guess. A comprehensive stool test measures your beta-glucuronidase activity and shows which bacteria are living in your gut, including types known to produce it. I run this testing in my practice because it gives us real data on whether your gut is part of your hormone picture.

From there, we build a targeted gut protocol around your results. Yours, not a generic supplement list you found online.

If you’re ready for answers, DM me “GUT” and I’ll send you the details on stool testing and working with me.

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