Dr. Atmika Paudel, PhD says... This is not an endorsement of any specific beta-glucans product, but to mention that the medical facts written in the article below about beta-glucans are correct and well-covered.
Beta glucan is a polysaccharide type of fiber that is typically extracted from mushrooms, mainly shitake and maitake mushrooms. It is also found in oats, barley and Bakers yeast.
However, the variety derived from oats and barley has what is known as a beta 1,3/1,4-glucan linkage. The type derived from mushrooms and Baker's yeast has a beta-1,3/1,6-glucan. As you will read below, beta 1,3/1,6-glucan has the greatest effects in the body.
The best products are more effective if they use a purification process that removes the mannoproteins and yeast residues leaving pure 1,3/1,6 beta glucans.
It stimulates immune function:
Beta glucans can be very
beneficial because they stimulate neutrophil and macrophage activity
throughout the body. These are the primary immune system cells
responsible for removing yeasts and fungi of all kinds. They also attack foreign
bacteria, viruses, and cancer cells.
Beta glucans for yeast bind to phagocytes and macrophages at certain receptor sites, which activates their infection and tumor fighting abilities. It seems to cause these cells to produce free radicals which signals the white blood cells to engulf diseased tissues, bacteria, foreign pathogens, fungi, and tumor cells.
Researchers at Brown Medical School and Rhode Island Hospital discovered that beta glucans for yeast caused the neutrophils to take a more direct route to the infection. This study seemed to indicate the enhanced ability of the neutrophils to detect foreign invaders in the body including yeast.
In a study done on anthrax and mice it was found that beta glucans for yeast stimulate the production and activation of white blood cells in the bone marrow. This results in higher levels of neutrophils and macrophages, which are the first immune system cells to defend against bacterial, fungal, and viral infections.
There are many studies at the National Library of Medicine pertaining to the effectiveness of beta glucan for the immune system.
The beta glucans for yeast showed significant protective effects against lethal doses of anthrax spores in controlled
laboratory tests. Laboratory tests were performed on mice by the Chemical and Biological Defence Section, Defence R&D Canada.
There also have been over 1,600 research papers on Beta 1,3-D Glucan since the 1960s. Research from the prestigious medical schools of Harvard, Tulane, Baylor, and Washington Universities all attest to the immune activating properties of Beta Glucan.
Beta glucans for yeast has recently been included in testing by The National Institute of Allergy and Infectious Diseases (NIAID) in collaboration with the US Army Medical Research Institute of Infectious Diseases.
Dr. Vibhuti Rana says...
As mentioned above, β glucans are the compounds essentially found in high fiber foods; they have high amounts of soluble fiber. Studies show that they have multiple health benefits which include treatment of bed sores, obesity related issues, and skin conditions like eczema and burns (1). The other common sources of these active polysaccharide compounds are mushrooms, which have been used for their healing properties in Eastern countries for ages (2). Found in reishi, maitake, lion’s mane, and chaga mushrooms, along with oats, barley, seaweeds and yeast, they have now gained equal popularity in Western medicinal-food culture. β glucans help us to maintain a healthy gut microbiome by erasing or downplaying the unhealthy, pathogenic bacterial, fungal, or viral species and uplifting the proportions of healthy microbes in the gut (3). Interestingly, fish culture has also accepted the importance of this carbohydrate in resistance of pathogenic infections or environmental stress (4).
2. Akramiene D, Kondrotas A, Didziapetriene J, Kevelaitis E. Effects of beta-glucans on the immune system. Medicina (Kaunas). 2007;43(8):597-606. PMID: 17895634.
3. Bacha U, Nasir M, Iqbal S, Anjum AA. Nutraceutical, Anti-Inflammatory, and Immune Modulatory Effects of β-Glucan Isolated from Yeast. Biomed Res Int. 2017;2017:8972678. doi:10.1155/2017/8972678.
4. Rodrigues MV, Zanuzzo FS, Koch JFA, de Oliveira CAF, Sima P, Vetvicka V. Development of Fish Immunity and the Role of β-Glucan in Immune Responses. Molecules. 2020 Nov 17;25(22):5378. doi: 10.3390/molecules25225378. PMID: 33213001; PMCID: PMC7698520.
According to doctors Adachi Y and Associates at the Tokyo University of Pharmacy and Life Science, beta glucan stimulates the production of cytokines used in
cell-to-cell communication that stimulates the macrophages to inhibit
tumor reproduction and to kill the tumor.(Source)
In scientific studies done on mice with cancer tumors, mice treated with beta glucans had a 28% greater survival rate than their untreated counter parts.
The Journal of the National Cancer Institute in 1975 reported that nine cancer patients were injected with beta glucan directly at the site of the tumor. All nine people had a reduction of tumor cells within five days and also experienced the subsequent destruction of the cancer from increased immune system activity.
Studies in Japan have seen a subsequent five to six-year longer life span of cancer patients that received the extract.
Beta glucans have also enhanced the survival rate and improved the white
blood cell recovery rate in mice exposed to radiation.(Source)
A published JANA article also shows test data documenting over a 20% reduction in tumor weight after three weeks of beta glucan usage.
A 2017 study published in Pathology & Oncology Research on human lung cancer cells, showed strong anti-tumor properties of beta-glucan from oat and at the same time no toxicity for normal cells.(Source)
Dr. Vibhuti Rana says...
Beta glucans, over the course of time, have brought about a near revolution in the field of cancer care. Owing to their immune-modulating properties, they have been employed in cancer treatment, and even treating the burns of radiation therapy. At a molecular level, these polysaccharides enhance the complement system, natural killer cells, and macrophages- the major players of immune system (1). They offer a protective effect against carcinogens and inhibit the angiogenesis pathway-which ultimately prevents blood supply-or vascularization at the tumor site and keeps a check on tumor growth. Studies report that the complement receptor CR3-based killing of cancer cells can take place only in the presence of β-glucans. In essence, the monoclonal antibody-based treatment of different carcinomas and hematological malignancies is widely accepted. However, it is more efficient only when combined with additional adjuvant therapies, like supplementation with β-glucans (2). Such combinatorial therapies can cause sufficient immune-stimulation for cancer eradication or retrogression.
1. Akramiene D, Kondrotas A, Didziapetriene J, Kevelaitis E. Effects of beta-glucans on the immune system. Medicina (Kaunas). 2007;43(8):597-606. PMID: 17895634.
2. Xiang D, Sharma VR, Freter CE, Yan J. Anti-tumor monoclonal antibodies in conjunction with β-glucans: a novel anti-cancer immunotherapy. Curr Med Chem. 2012;19(25):4298-305. doi: 10.2174/092986712802884303. PMID: 22834812.
According to a recent double-blind, randomized, crossover study
performed by Dr. DJ Jenkins and associates at
St Michael's Hospital in Toronto, which was published in the American Journal of
Clinical Nutrition, consumption of
beta glucans fiber and psyllium four times daily is likely to
significantly reduce the risk of developing cardiovascular disease. The study was so convincing, that the claim that these fibers "significantly reduced the chances of developing cardiovascular disease" was approved by the FDA.(Source)
Another published study at Pubmed that was performed by Department of Human Biology at Maastricht University in the Netherlands, showed that these fibers effectively lower the serum low density lipoproteins (LDL) cholesterol concentrations, without affecting high density lipoproteins (HDL) cholesterol.(Source)
So not only is beta-glucan good for immune function and cancer, the fiber also helps with cardiovascular health. This fact further solidifies the current medical consensus to make sure you eat enough dietary fiber every day.
Dr. Vibhuti Rana says...
β-glucans’ role in tumor proliferation has been well discussed so far. Apart from this, it plays an advantageous role in tackling a number of other health issues. It gives us a better heart health. Since it is a soluble fiber, it can be easily broken down in the intestines. This, in turn curbs obesity associated disorders. Reports say that β-glucan derived from oats lowers the cholesterol and triglyceride levels and maintains a healthy lipid profile. A 2011 study based on past research on oat β-glucans supports that daily intake of 3 g of β-glucan reduces total cholesterol and LDL (roughly amounting to 5-7% lowering of cholesterol) (1). These findings have also been supported by the US FDA and the UK Joint Health Claims Initiative (JHCI) in past. With time, other governments, e.g., those of Canada, Australia, New Zealand, Brazil, Malaysia, and Indonesia have also supported these claims (2). Evidence also states that oat β-glucan modulates gut microbial population, which in turn, effects the cholesterol reverse transport, short chain fatty acids signaling, and bile acid metabolism (2). Positive cholesterol and LDL lowering capabilities of β-glucans have also been seen in barley, which is another complex cereal (3).
1. Othman RA, Moghadasian MH, Jones PJ. Cholesterol-lowering effects of oat β-glucan. Nutr Rev. 2011 Jun;69(6):299-309. doi: 10.1111/j.1753-4887.2011.00401.x. PMID: 21631511.
2. Joyce SA, Kamil A, Fleige L, Gahan CGM. The Cholesterol-Lowering Effect of Oats and Oat Beta Glucan: Modes of Action and Potential Role of Bile Acids and the Microbiome. Front Nutr. 2019;6:171. Published 2019 Nov 27. doi:10.3389/fnut.2019.00171.
3. AbuMweis SS, Jew S, Ames NP. β-glucan from barley and its lipid-lowering capacity: a meta-analysis of randomized, controlled trials. Eur J Clin Nutr. 2010 Dec;64(12):1472-80. doi: 10.1038/ejcn.2010.178. Epub 2010 Oct 6. PMID: 20924392.
Beta glucans are likely safe when taken by mouth at doses of less than 5 grams or 5,000mgs. Which is not an issue because most supplement manufacturers recommend 500mg once or twice a day. This puts you well under the medically recommended limit.
It should not be taken while pregnant. In doing so the possibility exists that the increased immune function could cause a miscarriage.
It is possible that the enhanced immune response caused by taking beta glucans could offset any prescription drugs, such as steroids, that reduce immune function. Please talk to your pharmacist and physician about any interactions prior to taking this supplement.
Dr. Vibhuti Rana says...
There are various routes of intake of β Glucans like oral (by mouth), topical (applied to skin), intravenous, intramascular (IV or shots). Short term oral usage has no possible side effects and is generally considered safe. Rarely, fever, chills, nausea, diarrhea, join pains, or rashes may be seen when the lentinan, a β Glucan from shiitake mushroom, is administered by IV within a 10 min period due to heightened immunogenic response. If infusion is done for over 30 min, no such side effects were seen (1). Data on consumption of β Glucans in pregnant or breast-feeding women is not documented properly.
Remember this simple fact about the published research on Beta Glucans for Yeast:
There are absolutely NO published research on Beta Glucan with an active linkage below 80%. All the existing scientific research strongly points to the fact that any Beta Glucan product with an active linkage below 80% will not work!
The active linkage is simply the 1,3 and 1,6 linkage in the Beta Glucan product. If it's not 80% or higher, the product will not work.
Beta 1,3/1,6 Glucans will:
Immune Health Basics Beta Glucans is an outstanding Beta Glucans product for yeast that has a very superior quality. The yeast and mannoprotein residues have been removed so the product is purer.
There is no doubt that we have been consuming beta-glucans in the form of our diet since time immemorial. Immune boosting, antimicrobial, and anti-tumor properties of beta-glucans have been well-studied and proven by many scientific literature's. Besides the facts presented in the article above, there have been recent advances in the study of biological activities of beta-glucans which I would like to include in my comments here.
Beta glucans and foods containing beta glucans have been reported to have antioxidant activity(1,2,3), meaning that they can scavenge the harmful radicals, thus preventing ageing and contributing to health as well as beauty. In addition, beta glucans have also been found to reduce systemic inflammation, renal injury and aortic calcification (4), provide cardio protection (5), and protect from testicular damage (6); thus safeguarding our vital organs.
Overall, beta-glucan have numerous benefits, and owing to their presence in everyday food products, relative safety has been established, however, it might interact with medications that suppress immune system, and not enough is known about its use during pregnancy and lactation.
1. Kofuji K, Aoki A, Tsubaki K, Konishi M, Isobe T, Murata Y. Antioxidant activity of β-glucan. ISRN Pharmaceutics 2012; 2012:5.
2. Özge Ö, Figen E. Beta-glucan content, antioxidant and antimicrobial activities of some edible mushroom species. Food Science and Technology 2018; 6:47-55.
3. Brindzová L, Čertík M, Rapta P, Zalibera M, Mikulajová A, Takácsová M. Antioxidant activity, β-glucan and lipid contents of oat varieties. Czech J Food Sci 2008; 26:163-73.
4. Arcidiacono MV, Carrillo-López N, Panizo S, et al. Barley-ß-glucans reduce systemic inflammation, renal injury and aortic calcification through ADAM17 and neutral-sphingomyelinase2 inhibition. Scientific Reports 2019; 9:17810.
5. Casieri V, Matteucci M, Cavallini C, Torti M, Torelli M, Lionetti V. Long-term intake of pasta containing barley (1–3)beta-D-glucan increases neovascularization-mediated cardioprotection through endothelial upregulation of vascular endothelial growth factor and parkin. Scientific Reports 2017; 7:13424.
6. Koc F, Erısgın Z, Tekelıoglu Y, Takır S. The effect of beta glucan on MTX induced testicular damage in rats. Biotechnic & Histochemistry 2018; 93:70-5.
7. Muthuramalingam K, Choi SI, Hyun C, Kim YM, Cho M. β-glucan-based wet dressing for cutaneous wound healing. Adv Wound Care (New Rochelle) 2019; 8:125-35.
8. Wolever TMS, Tosh SM, Spruill SE, et al. Increasing oat β-glucan viscosity in a breakfast meal slows gastric emptying and reduces glycemic and insulinemic responses but has no effect on appetite, food intake, or plasma ghrelin and PYY responses in healthy humans: a randomized, placebo-controlled, crossover trial. The American Journal of Clinical Nutrition 2019.
9. Liu F, Wang Z, Liu J, Li W. Radioprotective effect of orally administered beta-d-glucan derived from Saccharomyces cerevisiae. International Journal of Biological Macromolecules 2018; 115:572-9.
10. Patchen ML, MacVittie TJ. Stimulated hemopoiesis and enhanced survival following glucan treatment in sublethally and lethally irradiated mice. International Journal of Immunopharmacology 1985; 7:923-32.
Do you have any questions about beta glucans or yeast infections in general? Ask your question here or contact us using the contact page of this website. It is also always a good idea to talk to your doctor as well.
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