Fyto-oestrogenensupplementen verlagen opvliegers

Research Question:
Relieves the swallowing of phyto-estrogens menopause symptoms?

Study Design:
This overview article contained 15 Rcts. The average age of the supplementation group ranged between 49 and 58.3 years and by the placebo group between 48 to 60.1 year. The number of participants per study ranged between 30 and 252. The duration of the study ranged between 3 and 12 months.

Results and conclusions:
The researchers found in 10 Rcts that swallowing of phyto-estrogens significantly the chance of getting hot flashes with 11% [p 0.005] and without side effects [p = 0.175] reduced.

However, the researchers found that swallowing phyto-estrogens menopause symptoms (expressed in the menopause Kupperman Index) in general are not significantly relieved.

The researchers concluded that swallowing of Phytoestrogens getting reduced hot flashes without side effects.

Original title:
Efficacy or phytoestrogens for menopausal symptoms: a meta-analysis and systematic review by Chen MN, Lin CC and Liu CF.


Additional information about El Mondo:
Phytoestrogens are a group of substances that create plants (phytos means plant in Greek) and that like the female hormone estrogen have an affinity for the estrogen receptor. There are 3 types of Phytoestrogens:

  1. isoflavones
  2. coumestans
  3. Lignans

Find here more studies on isoflavones. What products contain many isoflavones, can be found here.

Menopause symptoms may be assessed by means of the Hamilton Anxiety test and Kupperman menopausal Index.
The Hamilton Anxiety test measures the symptoms such as nervousness, irritability, trouble sleeping and gloomy moods.
The neuro-vegetative Index evaluates the Kupperman menopausal symptoms such as hot flashes, sweating, headaches and heart palpitations during menopause.