Beta sitosterol is a plant-derived sterol, also known as a phytosterol. Plant sterols or phytosterols are common components of plant foods, especially plant oils, seeds and nuts, cereals and legumes.

Which are the common phytosterols?
The most common phytosterols are beta sitosterol, campesterol, and stigmasterol. Beta sitosterol is found in high amounts in nuts and amaranth.

Phytosterol Compex, Beta Sitosterol
Developed by Ray Sahelian, M.D.
Prostate Power Rx with Beta Sitosterol

Phytosterols are natural components of many vegetables and grains. Preliminary scientific evidence suggests that plant phytosterols may help to maintain cholesterol levels already within the normal range when consumed as part of a low cholesterol dietary program. The three main phytosterols in phytosterol complex are beta-sitosterol, campesterol, and stigmasterol. They are natural, safe and derived entirely from plant sources. This phytosterol complex is derived from soy.

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Beta Sitosterol Supplement Facts:
Phytosterol Complex 350 mg *
   Yielding:
   Beta-Sitosterol - 140 mg *
   Campesterol - 70 mg *
   Stigmasterol - 60 mg *
   Brassicasterol - 5 mg *

Suggested Use: One capsule phytosterol complex with beta sitosterol a few times a week with breakfast.

* Phytosterol and beta sitosterol daily value not established.

Prostate Power Rx with Beta Sitosterol
Formulated by Ray Sahelian, M.D.

With Saw Palmetto, Pygeum, Beta-Sitosterol, Stinging Nettle, Quercetin, & Key Ingredients for support of normal prostate size

Prostate Power Rx is carefully formulated with important herbs and nutrients to provide optimal prostate health.

Saw Palmetto extract    (standardized to contain 45% fatty acids - serenoa repens fruit)
Stinging Nettle 4:1 extract (urtica diocia root)
Quercetin
Rosemary 4:1 extract (Rosemarinus officinales leaf)
Beta Sitosterol for prostate - Beta Sitosterol is promote for prostate health
Pygeum 4:1 bark extract (Pygeum Africanum)
Daidzein (standardized to contain 40% isoflavones)
Genistein (standardized to contain 40% isoflavones)
Lycopene (Lycoperscion escatatum fruit)

Beta Sitosterol and prostate gland
One study shows the combination of beta-sitosterol, saw palmetto, and stinging nettle was helpful in prostate enlargement. A laboratory study shows beta sitosterol may inhibit 5-alpha reductase in prostate tissue.

Beta Sitosterol and Lipids
Beta sitosterol may help maintain healthy cholesterol levels when used as a supplement.

Beta Sitosterol side effects
High doses of beta sitosterol could lead to side effects such as nausea and a feeling of unease. Long term studies with beta sitosterol supplementation in humans are not available so we don't know the full range of potential beta sitosterol side effects. Take a break a day or two a week and a few days each month.

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Beta Sitosterol Research Update
Efficacy and safety of beta sitosterol in the management of blood cholesterol levels.
Cardiovasc Drug Rev. 2005 Spring;23(1):57-70. Fernandez ML, Vega-Lopez S.
University of Connecticut, Department of Nutritional Sciences, Storrs, CT
Elevated levels of plasma LDL cholesterol (LDL-C) represent a major risk factor for cardiovascular disease. Treatments aimed at reducing levels of circulating LDL are regarded, therefore, as cardioprotective. The cholesterol lowering properties of plant sterols have been known for some time and many clinical studies have confirmed the efficacy of beta sitosterol in lowering plasma LDL-C concentrations. Animal studies have also shown reductions in LDL by beta sitosterol. The use of animal models has been useful in facilitating the elucidation of specific mechanisms by which beta sitosterol exerts its hypocholesterolemic action. It is well known that plant sterols compete with cholesterol for space within bile salt micelles in the intestinal lumen thereby reducing cholesterol absorption. The understanding of the function of plant sterols in impeding cholesterol absorption has been clarified with the discovery of the adenosine binding cassette transporters, ABCG5/8, involved in the regulation of sterol absorption and secretion into the enterocyte and hepatocyte. Compared to cholesterol and other sterols, beta sitosterol is preferentially pumped out to the intestinal lumen by the ABCG5/8 transporters. This selective binding of beta sitosterol to the transporters ultimately results in significant lowering of plasma cholesterol. However, some findings support the hypothesis that plant sterols might be an additional risk factor for coronary heart disease. From the review of these studies, it is apparent that beta sitosterol is a useful dietary supplement for the lowering of plasma cholesterol. Nevertheless, beta sitosterol should be used with caution in certain individuals who have a higher absorption rate of beta sitosterol.

Randomized trial of a combination of natural products (cernitin, saw palmetto, Beta sitosterol, vitamin E) on symptoms of benign prostatic hyperplasia.
Preuss HG. Int Urol Nephrol 2001;33(2):217-25. Georgetown University Medical Center, Washington, DC
Because benign prostatic hyperplasia (BPH) is relatively common, it is important to discover safe and effective means to treat this often debilitating perturbation. Accordingly, we examined the effectiveness of a combination of natural products (cernitin, saw palmetto, beta sitosterol, vitamin E) in treating symptoms of BPH. We undertook a randomized, placebo-controlled, double-blind study. Patients received either placebo or the combined natural products for 3 months. Nocturia showed a markedly significant decrease in severity in patients receiving cernitin, saw palmetto and beta sitosterol compared to those taking placebo. Daytime frequency was also lessened significantly. PSA measurements, maximal and average urinary flow rates, and residual volumes showed no statistically significant differences. When taken for 3 months, a combination of natural products (cernitin, saw palmetto, Beta sitosterol, vitamin E) compared to placebo can significantly lessen nocturia and frequency and diminish overall symptomatology of BPH as indicated by an improvement in the total AUA Symptom Index score. The combination of natural products caused no significant adverse side effects.

Beta Sitosterol emails
Q. Can beta sitosterol and saw palmetto be taken together? I am hoping the combination of beta sitosterol and saw palmetto can help my prostate enlargement.
   A. They can, but it would be best not to take large amounts of each for prolonged periods without breaks.

Q. I heard a radio show where sitosterol beta for prostate, I think the product was called beta prostate or sitosterol beta prostate. is being promoted as the best supplement for prostate with hundreds of research articles. Does beta sitosterol help prostate gland like the radio advertisement say?
   A. Many herbs and nutrients influence the prostate gland, and beta sitosterol is only one of many. There have been only a handful of studies with beta sitosterol and prostate, not hundreds. The ideal dosage of beta sitosterol and potential long term side effects are not known.

Q. I would appreciate any help you can give me regarding beta sitosterol. I was using beta sitosterol to bring down my cholesterol and then went on vacation. I take no other medication except Viagra every now and then. But to my horror the Viagra did not work like it used actually it was totally ineffective. I couldn't understand what was wrong until i stopped using beta sitosterol. Viagra worked perfectly. I took beta sitosterol again and Viagra does not work with it. I don't understand why that would be. The beta sitosterol is amazing in that it enhances my immune system like nothing else. I felt amazing while on it and had no other side effects. I was so disappointed. I would appreciate it if you would let me know if you have heard anyone else have the same complaint.
   A. We have not heard of this side effect of beta sitosterol before, but it is possible. Perhaps beta sitosterol, when used daily, can influence hormone levels or can influence nitric oxide production. It's often a good idea to take breaks from the long term use of a particular supplement and substitute others.

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