Vegetable Allium Year-round

Onion

Written by the VitaWhat editorial team · Medically reviewed by Steve Davis · Last reviewed 19 July 2026 · Editorial policy

A flavour-base vegetable with prebiotic fibres.

Key nutrients

  • Vitamin C
  • Quercetin
  • Prebiotic fibre

Benefits

  • Gut and heart support

Storage

Cool, dark, dry, airy place

Sources & references

  1. USDA FoodData Central
  2. British Nutrition Foundation

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