Caffeine Causes Changes In Estrogen Levels
Author: Mark Velov
Time for reading: ~1
minutes
Last Updated:
August 08, 2022
Compared to green tea and Coca-Cola, coffee has the weakest effect on hormone levels.
Consumption of coffee leads to changes in the levels of the hormone estrogen, according to a study among 250 women aged 18 to 44 years.
The effects of caffeine intake are minimal and do not affect ovulation or overall health, at least in the short term, the researchers said.
"The findings help determine how caffeine is metabolized by different genetic groups," said study author Dr. Enrique Schisterman.
The study participants, divided into three groups, consumed an average of about 90 milligrams of caffeine per day, which is equivalent to about a cup of coffee. It has been found that taking about 200 milligrams leads to a slight decrease in estrogen levels in Caucasian women compared to Mongoloids and Negroes. Scientists still do not know the reason for these differences.
The researchers also found that drinking other caffeinated beverages, such as green tea and Coca-Cola, was associated with a greater increase in hormone levels in all groups of women. This is probably due to the different levels of antioxidants, supplements such as milk and sugar, and other ingredients in beverages, experts suggest.
Healthy premenopausal women should not worry about the effects of caffeine on estrogen levels, says Dr. Enrique Schisterman. Research on the topic continues.
The results are published in the American Journal of Clinical Nutrition .
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