Generally, GI overproduction of reactive species with oxidative potential can be attributed to both exogenous factors (e.g., smoking, diet, alcohol, and drugs) and endogenous factors (e.g., cellular respiration, respiratory burst, xanthine oxidase, nicotinamide adenine dinucleotide phosphate (NADPH) oxidase, cyclooxygenase (COX), transition metals, nitric oxide synthase (NOS), and myeloperoxidase (MPO), which can collectively lead to pathological conditions 88
Int J Mol Sci 20(6):1451 Ziberna L, Martelanc M, Franco M, Passamonti S (2016) Bilirubin is an endogenous antioxidant in human vascular endothelial cells
Nicotinamide N-methyltransferase: At the crossroads between cellular metabolism and epigenetic regulation
Sulfur is a key component of keratin the structural protein in your skin, hair, and nails
Canine joint supplements are formulated to support cartilage health, reduce inflammation, and improve mobility throughout a dog's life