Low carb onions. Red onions offer several health benefits due to their high antioxidant content, particularly anthocyanins and quercetin. These compounds can help reduce the risk of heart disease, diabetes, and certain cancers. Additionally, red onions may support bone health, improve digestion, and even benefit sleep.
Quercetin belongs to a group of plant pigments called flavonoids that give many fruits, flowers, and vegetables their colors. Flavonoids, such as quercetin, are antioxidants. They scavenge particles in the body known as free radicals which damage cell membranes, tamper with DNA, and even cause cell death.