Evidence supporting the use of: Isoflavones
For the body system: Female Reproductive System

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Table of Contents

Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Isoflavones, particularly those derived from soy, are phytoestrogens—plant-derived compounds with estrogen-like activity. Their use to support the female reproductive system is primarily justified by scientific investigation, although traditional use exists to a lesser extent (especially in Asian diets). Most scientific attention has focused on their potential benefits in alleviating menopausal symptoms such as hot flashes and night sweats. Several randomized controlled trials and meta-analyses suggest that isoflavones can modestly reduce the frequency and severity of vasomotor symptoms in menopausal women, although results can be inconsistent and the effect size is often small. The proposed mechanism relates to their ability to bind estrogen receptors and exert weak estrogenic or antiestrogenic effects depending on the hormonal environment. Evidence for other effects on the female reproductive system—such as menstrual regulation, fertility, or prevention of reproductive cancers—is less robust and either inconclusive or conflicting. Safety data generally indicate that isoflavones are well tolerated, though long-term effects, especially at high doses, require more study. Overall, the scientific evidence supports a modest benefit of isoflavones for menopause-related symptoms, but not for broader reproductive health. The evidence is not so strong as to warrant a higher rating, given the variability in study outcomes and the limited magnitude of effect.

More about Isoflavones
More about Female Reproductive System

Other ingredients that support Female Reproductive System

7-hydroxymatairesinol (HMR)
amino acids
ashwagandha
basil
black cohosh
borage oil
broccoli
chaste tree
turmeric
d-alpha tocopherol
damiana
dandelion
DHEA (dehydroepiandrosterone)
DIM (diindolylmethane)
dong quai root
eleuthero
evening primrose oil
fennel
fenugreek
flaxseed
folate
gamma linolenic acid (GLA)
genistein
ginger
goldenseal
hibiscus
HMR lignan
Indian tinospora
indole-3-carbinol
inositol
jujube
lactobacillus acidophilus
lactobacillus crispatus
lactobacillus fermentum
lactobacillus gasseri
lactobacillus jensenii
lactobacillus reuteri
lactobacillus rhamnosus
lactobacillus salivarius
lignans
linoleic acid (LA)
maca
marine lipid
motherwort
nettle
omega-3 fatty acids
raspberry
rose oil
saffron
selenium
soybean
spearmint leaf
tribulus
vitamin B
vitamin B6
vitamin E
wild yam
red clover
squawvine
mugwort
anise
caesalpinia crista
rubia cordifolia
blessed thistle
peony
lingzhi
lingusticum wallichii
yarrow
yarrow
dioscorea
dodder
royal jelly
Equol (proprietary)
guelder rose
trace minerals
anemarrhena asphodeloides
shepherd's purse
wood betony
herbal blend (proprietary)
soy isoflavones
27-deoxyactein
25-d-spirosta-3, 5-diene
8-Prenylnaringenin
Angelica
Anamu
AHCC
Alchemilla
Aletris
Anserina
Anemone
Agnuside
Ashoka
Abuta
Animal protein
Betony
Blue Cohosh
Bugbane
Bethroot
Barbasco
Belamcanda
Bird's nest
Calochortus
Cohosh
Clary sage
Cnidium
Cynomorium
Cramp Bark
Chinese Pond Turtle
Chlorophytum
Casticin
Ceylon Leadwort
Crinum latifolium
DHEA
Daidzein
Dong Quai
Diosgenin
Date
Egg
Erythrina
Evening Primrose Oil
Estrogen
Folic Acid
Fo-Ti
Furostanols
formononetin
Fatty acids
False Unicorn Root
Ginsenosides
Goat's rue
Giant Trillium
Golden Ragwort
Isoflavones
jasmine
Pennyroyal
Rose
Soy Protein
Vervain

Products containing Isoflavones

We currently have no products on Caring Sunshine that contain this ingredient.