700095 | sitosterol



Size SKU Packaging Price
5mg 700095P-5mg 700095P-5mg 1 x 5mg $193.10
25mg 700095P-25mg 700095P-25mg 1 x 25mg $614.75
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ß-sitosterol is a phytosterol (plant sterol) found in a wide variety of plants, including pecans, saw palmetto, avocados, pumpkin seed, rice bran, wheat germ, and soybeans. Chemically resembling cholesterol, phytosterols inhibit the absorption of cholesterol. Phytosterols have also been shown to have anticancer properties.

Light Sensitive
Molecular Formula
Percent Composition
C 83.99%, H 12.15%, O 3.86%
>99%; contains ~2% of the 24α isomer
1 Year
Storage Temperature
CAS Number
CAS Registry Number is a Registered Trademark of the American Chemical Society
Formula Weight
Exact Mass

Miyazaki T, Sasaki SI, Toyoda A, Wei FY, Shirai M, Morishita Y, Ikegami T, Tomizawa K, Honda A. Impaired bile acid metabolism with defectives of mitochondrial-tRNA taurine modification and bile acid taurine conjugation in the taurine depleted cats. Sci Rep. 2020 Mar 18;10(1):4915. doi: 10.1038/s41598-020-61821-6. PMID: 32188916; PMCID: PMC7080809.

PubMed ID: 32188916

Kunz S, Matysik S. A comprehensive method to determine sterol species in human faeces by GC-triple quadrupole MS. J Steroid Biochem Mol Biol. 2019 Mar 25;190:99-103. doi: 10.1016/j.jsbmb.2019.03.014. [Epub ahead of print]

PubMed ID: 30923016

Matsuoka K, Nakazawa T, Nakamura A, Honda C, Endo K, Tsukada M. Study of thermodynamic parameters for solubilization of plant sterol and stanol in bile salt micelles. Chem Phys Lipids. 2008 Aug;154(2):87-93. doi: 10.1016/j.chemphyslip.2008.05.002. Epub 2008 May 20.

PubMed ID: 18544343

Fernandez ML, Vega-López S. Efficacy and safety of sitosterol in the management of blood cholesterol levels. Cardiovasc Drug Rev. 2005 Spring;23(1):57-70.

PubMed ID: 15867948

Awad AB, Barta SL, Fink CS, Bradford PG. beta-Sitosterol enhances tamoxifen effectiveness on breast cancer cells by affecting ceramide metabolism. Mol Nutr Food Res. 2008 Apr;52(4):419-26. doi: 10.1002/mnfr.200700222.

PubMed ID: 18338406

Awad AB, Fink CS. Phytosterols as anticancer dietary components: evidence and mechanism of action. J Nutr. 2000 Sep;130(9):2127-30.

PubMed ID: 10958802