Do Plant Sterols Cause Side Effects?
Even though they are "natural" plant-based substances,
plant sterols may cause side effects, most of which are merely bothersome and usually not dangerous. In fact, most people tolerate plant sterol products quite well, often without experiencing any noticeable side effects at all.
Bothersome Plant Sterol Side Effects
Reported bothersome, but not dangerous, plant sterol side effects include:
The possible sexual side effects of plant sterols can be explained by understanding that plant sterols have some effect on male hormones (especially testosterone and dihydrotestosterone, also known as DHT). Prescription medications (used to treat an
enlarged prostate and hair loss) that have similar effects also tend to cause such sexual side effects. These sexual side effects were noticed in studies of plant sterols for the treatment of enlarged prostate, not for
high cholesterol.
Serious Plant Sterol Side Effects
Plant sterols are not likely to cause serious side effects.
Just as with any medication or supplement, be sure to watch for any signs of allergic reaction, such as a rash, itching, hives, swelling of the mouth or throat, wheezing, or difficulty breathing.
Of course, serious side effects may be possible if your plant sterol product also contains other
dietary supplements, herbs, or medications. Inactive ingredients can also cause serious side effects, such as allergic reactions.
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