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Last Updated May 3rd 2022, 12:41:16 am

Onions (Allium cepa L.) is a vegetable that is the most widely cultivated species of the genus Allium. Its close relatives include the garlic, leek, chive, and Chinese onion.


  • Polyphenols[1]
    • Catechin
    • Epicatechin
    • Kaempferol
    • Protocatechuic acid
    • Quercetin

Healing Properties

Antifungal (anti-fungal)

Anti-Obesity (weight loss)

Prevents weight gain related to high fat diet.[1:1]

Blood Health

Anti-Platelet (antiplatelet)

Helps prevent blood clots.


Commonly referred to as blood thinners, are chemical substances that prevent or reduce coagulation of blood, prolonging the clotting time.

Hypolipidemic (antihyperlipidemic)

Items with lipid-lowering effects, used in the treatment of high levels of fats, such as cholesterol, in the blood.

  • Onion & Garlic oils decreased the levels of triglycerides, total cholesterol, and LDL-Cholesterol and increased the serum level of HDL-Cholesterol.[2]

Disease / Symptom Treatment


Counteracts the effects of an High Fat Diet on body weight, adipose tissue weight, and serum lipid profiles.

  1. Title: Phenolic Acids and Flavonoids in Polyphenol-Rich Fruits and Vegetables and Their Potential Antioxidant Activities
    Publication: MDPI Antioxidants
    Archive: archive, archive-mirror ↩︎ ↩︎

  2. Title: Anti-Obesity and Hypolipidemic effects of garlic oil and onion oil in rats fed a high-fat diet
    Publication: Nutrition and Metabolism
    Archive: archive, archive-mirror ↩︎