Many people over 60 are quietly rediscovering an everyday vegetable that has long been part of traditional kitchens: the red onion. A few raw slices with a squeeze of lemon is a simple habit some are adding to their meals as they look for gentle, natural ways to support metabolic balance. Red onions stand out because of their deep purple color, which comes from plant compounds called anthocyanins. They are also one of the richest food sources of quercetin, a flavonoid that researchers have studied for its potential role in supporting insulin sensitivity and helping the body manage how quickly it absorbs carbohydrates after meals. For some individuals, this may contribute to more stable energy levels throughout the day rather than sharp rises and drops. Why Some Prefer Raw Red Onion While cooked onions taste wonderful in stews and sautés, high heat can reduce certain sulfur compounds that the body uses. When you slice a raw red onion, natural enzymes are released, creating orga...