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2021, doi:10.1038/s41598-021-82177-5 Zorrilla, E P et al

B12 injections have many benefits and are often prescribed for deficiencies that cause fatigue, shortness of breath, diarrhea, numbness and neurological damage

Gut dysbiosis: Imbalanced gut microbes can contribute to gut inflammation, affecting DAO levels

Quercetin treatment was found to inhibit leukocyte aggregation, decrease chemokine levels, lower the levels of MDA, a lipid peroxidation end product, and enhance the activity of antioxidant enzymes (27)

The cytotoxicity of vitamin C can be explained by vitamin C-mediated increase in the levels of hydrogen peroxide and the formation of hydroxyl radicals via the Fe-Fenton reaction