Soy Side Effects and Benefits

Soy Benefits and Side
Effects

High soya food intakes are associated with lower sperm
concentration. However, epidemiological investigations suggest
that soy consumption may be associated with a lower incidence of
certain chronic diseases. Clinical studies also show that ingestion
of soy proteins reduces the risk factors for cardiovascular
disease. This led to the approval of the food-labeling health claim
for soy proteins in the prevention of coronary heart disease by the
U.S. FDA in 1999.

The Nutrition Committee of the American Heart Association has
assessed 22 randomized trials conducted since 1999 and found
that isolated soy protein with isoflavones (ISF) slightly decreased
LDL cholesterol but had no effect on HDL cholesterol,
triglycerides, lipoprotein(a), or blood pressure. The other benefits
of soy consumption were not evident.

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"Victoria crater" Image Credit: NASA/JPL/Cornell SPACE

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