
Rheumatoid arthritis (RA) affects millions of people worldwide, causing painful joint inflammation, stiffness, and potentially leading to joint damage if left untreated.
While traditional treatments remain important, increasing research indicates that certain supplements may help manage symptoms and possibly slow disease progression. Among these substances, beta-glucans have become an interesting compound due to their immunomodulatory properties.
Beta-glucans are naturally occurring polysaccharides found in:
Cell walls of certain grains (especially oats and barley)
Certain mushrooms (reishi, shiitake, maitake)
Baker's yeast
Seaweed and algae
Research indicates that beta-glucans may help regulate inflammation in several ways:
Inhibiting pro-inflammatory cytokines such as TNF-α and IL-6, which are major drivers of inflammation in RA
Regulating the NF-κB signaling pathway involved in inflammatory responses
Reducing oxidative stress markers associated with chronic inflammation
Beta-glucans have been shown to:
Stimulate macrophages and dendritic cells, which may help regulate autoimmune responses
Increase natural killer (NK) cell activity
Promote T-regulatory cell function, which may help control autoimmune reactions

Food Sources of Beta-Glucans:
Oats and barley: Contain 3-5% beta-glucans by weight
Medicinal mushrooms: Reishi, shiitake, and maitake mushrooms are particularly rich sources of beta-glucans
Seaweed: Contains varying amounts depending on the type
Beta-glucans are interesting as a supplementary approach for managing rheumatoid arthritis symptoms, particularly through their anti-inflammatory and immunomodulatory properties.
When choosing beta-glucan products, we should select products that are reliable and effective, with international certifications and awards, to ensure we get quality products for taking care of our health.
References
Vetvicka V, Vannucci L, Sima P, Richter J. Beta Glucan: Supplement or Drug? From Laboratory to Clinical Trials. Molecules. 2019;24(7):1251. doi:10.3390/molecules24071251
Kofuji K, Aoki A, Tsubaki K, et al. Antioxidant Activity of β-Glucan. ISRN Pharmaceutics. 2012;2012:125864. doi:10.5402/2012/125864
Bashir KMI, Choi JS. Clinical and Physiological Perspectives of β-Glucans: The Past, Present, and Future. International Journal of Molecular Sciences. 2017;18(9):1906. doi:10.3390/ijms18091906
Du B, Lin C, Bian Z, Xu B. An insight into anti-inflammatory effects of fungal beta-glucans. Trends in Food Science & Technology. 2015;41(1):49-59. doi:10.1016/j.tifs.2014.09.002
Stier H, Ebbeskotte V, Gruenwald J. Immune-modulatory effects of dietary Yeast Beta-1,3/1,6-D-glucan. Nutrition Journal. 2014;13:38. doi:10.1186/1475-2891-13-38
Talbott SM, Talbott JA. Baker's yeast beta-glucan supplement reduces upper respiratory symptoms and improves mood state in stressed women. Journal of the American College of Nutrition. 2012;31(4):295-300. doi:10.1080/07315724.2012.10720441
Chen J, Raymond K. Beta-glucans in the treatment of diabetes and associated cardiovascular risks. Vascular Health and Risk Management. 2008;4(6):1265-1272. doi:10.2147/vhrm.s3803
Ikewaki N, Fujii N, Onaka T, Ikewaki S, Inoko H. Immunological actions of Sophy beta-glucan (beta-1,3-1,6 glucan), currently available commercially as a health food supplement. Microbiology and Immunology. 2007;51(9):861-873. doi:10.1111/j.1348-0421.2007.tb03982.x
Vetvicka V, Vetvickova J. Anti-inflammatory action of a beta-glucan isolated from Pleurotus ostreatus. North American Journal of Medical Sciences. 2016;5(1):1-4.
Murphy EA, Davis JM, Carmichael MD. Immune modulating effects of β-glucan. Current Opinion in Clinical Nutrition and Metabolic Care. 2010;13(6):656-661. doi:10.1097/MCO.0b013e32833f1afb