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Nancy H.

Dear,

Proline Sports Nutrition & Equipment,

I was shopping for the product below using Google as which time I saw your Google add. This was the first I heard of your company. I went to your site and liked what I saw and proceeded to order the Optygen HP. The order was placed on late Friday afternoon and was delivered (to my surprise) on Saturday. Your service is awesome as well as your price match guarantee. There is no doubt that I will continue to use you in the future, as well as recommend you to others.

Regards,

Brian H
Aurora, IL

I am very impressed with your customer service. I was worried about getting my order with a marathon a week and a half out. Wow, less than 24 hours and my order was sitting on the porch. That is phenominal service. I will definately shop with you again. I have had free shipping take 10 days. Proline Sports Nutrition is a site I will recommend to my many running/cycling buddies. Thanks for the great response. BTW, that info on the Hammer Nutrition products was wonderful!! It helped me hone in on my nutrition/hydration plan for my marathon. I printed off the entire 120 pages! This is my 4th marathon. I've trained hard, and my Hammer plan I do believe will give me a PR.

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I have received my package. This is absolutely amazing... ...four business days from hitting the order button to having the stuff in my hands in an overseas location!!

...then there is the stuff I ordered from another vendor (last month) still "somewhere" in the system...

You guys are the best... ...which I why I keep ordering from you.

Thank you!

Have a great day,"

Kathleen G
.

Beta-Sitosterol

Beta-sitosterol alone and in combination with similar plant sterols reduces blood levels of cholesterol.¹ ² ³ This appears to be because beta-sitosterol blocks absorption of cholesterol.⁴ It has also been effective in reducing symptoms of benign prostatic hyperplasia.⁵

Although molecules quite similar to beta-sitosterol inhibit cancer cells in test tubes, the relevance of this information for people remains unknown.⁶

Where is it found? Beta-sitosterol is one of several plant sterols (cholesterol is the main animal sterol) found in almost all plants. High levels are found in rice bran, wheat germ, corn oils, and soybeans. Peanuts and its products, such as peanut oil, peanut butter, and peanut flour, are good sources of plant sterols, particularly beta-sitosterol.⁷

Rating	Health Concerns
	Benign prostatic hyperplasia
	High cholesterol
	Athletic performance (in combination with beta-sitosterol glucoside for reducing the risk of post-exercise infection)
Reliable and relatively consistent scientific data showing a substantial health benefit. Contradictory, insufficient, or preliminary studies suggesting a health benefit or minimal health benefit. An herb is primarily supported by traditional use, or the herb or supplement has little scientific support and/or minimal health benefit.

Who is likely to be deficient? Because beta-sitosterol is not an essential nutrient, deficiencies do not occur.

How much is usually taken? Between 500 mg and 10 grams of beta-sitosterol per day have been used in clinical research to reduce elevated blood cholesterol levels. Between 60 (20 mg three times per day) and 130 mg per day have been used in trials reporting a reduction in prostatic hyperplasia-related symptoms.⁸ ⁹

Are there any side effects or interactions? No significant side effects or interactions have yet been reported in studies on beta-sitosterol.

At the time of writing, there were no well-known drug interactions with beta-sitosterol.

References:

1. Lees AM, Mok HYI, Lee RS, et al. Plant sterols as cholesterol-lowering agents: clinical trials in patients with hypercholesterolemia and studies of sterol balance. Atherosclerosis 1977;28:325�38.

2. Pelletier X, Belbraouet S, Mirabel D, et al. A diet moderately enriched in phytosterols lowers plasma cholesterol concentrations in normocholesterolemic humans. Ann Nutr Metab 1995;39:291�5.

3. Jones PJ, Raeini-Sarjaz M, Ntanios FY, et al. Modulation of plasma lipid levels and cholesterol kinetics by phytosterol versus phytostanol esters. J Lipid Res 2000;41:697�705.

4. Grundy SM, Ahrens EH Jr, Davignon J. The interaction of cholesterol absorption and cholesterol synthesis in man. J Lipid Res 1969;10:304�15 [review].

5. Berges RR, Windeler J, Trampisch HJ, et al. Randomised, placebo-controlled, double-blind clinical trial of beta-sitosterol in patients with benign prostatic hyperplasia. Lancet 1995;345:1529�32.

6. Kiriakdis S, Stathi S, Jha HC, et al. Fatty acid esters of sitosterol 3�-glucoside from soybeans and tempeh (fermented soybeans) as antiproliferative substances. J Clin Biochem Nutr 1997;22:139�47.

7. Awad AB, Chan KC, Downie AC, Fink CS. Peanuts as a source of �-sitosterol, a sterol with anticancer properties. Nutr Cancer 2000;36:238�41.

8. Berges RR, Windeler J, Trampisch HJ, et al. Randomised, placebo-controlled, double-blind clinical trial of beta-sitosterol in patients with benign prostatic hyperplasia. Lancet 1995;345:1529�32.

9. Klippel KF, Hiltl DM, Schipp B. A multicentric, placebo-controlled, double-blind clinical trial of �-sitosterol (phytosterol) for the treatment of benign prostatic hyperplasia. Br J Urol 1997;80:427�32.