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What is Science Based Fitness?

Your free- source of information, news, and deep dive into the latest science in the world or fitness and health. We dive deep into the literature and debunk a lot of fake claims. Also, providing helpful tips and workouts to improve your health and quality of life. 


Recently, neuroinflammation is thought to be one of the important causes of many neuropsychiatric diseases. Quercetin is a natural flavonoid, and it is well known that quercetin has antioxidative, anti-inflammatory, and neuroprotective effects. Quercetin contains antioxidants called flavonoids that bond to free radicals and neutralize them. 

Benefits of Quercetin

Daily intake of quercetin significantly improved anxiety-like behaviors and reduced inflammatory markers in the brain. Additional benefits include reducing risks of heart disease, cancer, and degenerative brain disorders. An 8-week study  in 50 women with rheumatoid arthritis observed that participants who took 500 mg of quercetin experienced significantly reduced early morning stiffness, morning pain, and after-activity pain.

In a review of test-tube and animal studies, quercetin was found to suppress cell growth and induce cell death in prostate cancer cells.

Other test-tube and animal studies observed that the compound had similar effects in liver, lung, breast, bladder, blood, colon, ovarian, lymphoid, and adrenal cancer cells.



Quercetin is also available as a dietary supplement in capsules, tablets, powders and extract

Brands we recommend


Burdeos, Johna. “What Is Quercetin? Benefits, Foods and Side Effects.” Forbes, Forbes Magazine, 5 Jan. 2024,

Lee B, Yeom M, Shim I, Lee H, Hahm DH. Protective Effects of Quercetin on Anxiety-Like Symptoms and Neuroinflammation Induced by Lipopolysaccharide in Rats. Evid Based Complement Alternat Med. 2020 Apr 28;2020:4892415. doi: 10.1155/2020/4892415. PMID: 32419805; PMCID: PMC7204389.
Anand David AV, Arulmoli R, Parasuraman S. Overviews of Biological Importance of Quercetin: A Bioactive Flavonoid. Pharmacogn Rev. 2016 Jul-Dec;10(20):84-89. doi: 10.4103/0973-7847.194044. PMID: 28082789; PMCID: PMC5214562.