Supplements of soy isoflavones may help reduce body weight and improve the metabolism of glucose, according toa new meta-analysis of suitable studies with non-Asian women.
Data from nine randomized clinical trials indicated that, for doses
of soy isoflavones from 40 to 160 milligrams per day, supplementation
was associated with signficant reductions in body weight in both short
and longer term studies.
«Soy isoflavone supplementation could reduce body weight and improve
glucose metabolism significantly with soy isoflavone supplementation
compared with the placebo control group in non-Asian postmenopausal
women,» said the researchers.
«Furthermore, shorter supplement duration could significantly reduce
body weight, whereas longer supplement duration could reduce blood
glucose remarkably. Moreover, it is more effective to reduce body weight
and fasting insulin level with soy isoflavone supplementation in normal
weight than obese women.»
Isoflavones are well known phytoestrogens – active substances derived
from plants that have a weak estrogen-like action. Isoflavones from soy
have been reported to provide a number of healths benefits, including
the promotion of heart health and the maintenance of bone health in
post-menopausal women.
They have also been studied for their role in cancer prevention and
slowing down the aging process in perimenopausal women, and have proved
to be a popular alternative to hormone replacement therapy for those
wishing to control menopause symptoms without resorting to drugs.
In order to confirm the potential heart benefits of soy isoflavones, the
researchers performed a systematic review and meta-analysis of the
effects of isoflavone supplementation on various cardiovascular disease
risk factors, including body weight, and glucose and insulin levels in
non-Asian postmenopausal women.
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Source: Nutraingredients