Q:

Is there a natural herbal estrogen blocker?

A:

Quick Answer

Some herbal estrogen blockers include wild nettle root, chrysin, maca and grape seed, according to Healthline. These herbs work by blocking estrogen and increasing testosterone levels.

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Full Answer

Grape seed extract blocks aromatase, the enzyme that converts androgen into estrogen, according to a study published in Cancer Research. The herb was effective in slowing tumor growth in breast cancer.

Chrysin similarly works as an aromatase inhibitor, according to Healthline. It is a compound occurring naturally in plants, such as passion flowers and geraniums. Some studies have reported reduced estrogen levels with chrysin treatments; however, no human studies have increased testosterone levels with the herb.

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