https://en.wikipedia.org/wiki/Onion
The onion (Allium cepa L., from Latin cepa), also known as the bulb onion or common onion, is a vegetable that is the most widely cultivated species of the genus Allium.
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https://www.healthline.com/nutrition/foods/onions
Dec 5, 2025 · A large observational study in women over 50 years of age found that regular onion consumption is linked to increased bone density.
https://www.healthline.com/nutrition/onion-benefits
May 20, 2025 · Read on to discover the possible health benefits of onions and ways to add onion to your diet.
https://www.britannica.com/plant/onion-plant
May 27, 2026 · The onion is likely native to southwestern Asia but is now grown throughout the world, chiefly in the temperate zones. Onions are low in nutrients but are valued fo
https://www.webmd.com/diet/health-benefits-onions
Feb 21, 2026 · But there's no research to back up that idea. Onion water--made by chopping up peeled, clean onions and letting them sit in water for a while--probably won't hurt y
https://www.verywellfit.com/onions-nutrition-calories-and-health-benefit-4119066
Sep 9, 2024 · One medium-sized onion (110g) provides 44 calories, 1.2g of protein, 10.3g of carbohydrates, and 0.1g of fat. Onions are a good source of vitamin C, vitamin B6, pota