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Dietary nickel

A metal that plants take up from soil. It is high in cocoa, legumes, nuts, oats, and whole grains.

Who reacts

Some people with a nickel contact allergy get skin flares from high-nickel food (systemic nickel allergy).

Typical onset

6 hours to 48 hours after you eat it

Linked symptoms

Rash or eczemaModerate evidence
ItchingModerate evidence
BloatingWeak evidence

Where you find it

High:Oats · Lentils · Soy / tofu / soy milk · Cashews · Dark chocolate / cocoa

Medium:Kidney beans (cooked) · Chickpeas / hummus · Peanuts / peanut butter · Almonds / almond flour · Walnuts · Chia / flax / sunflower seeds

Low:Spinach

Sources

  • Sharma 2013, Indian J Dermatol 58(3):240 — low nickel diet in dermatology
Test dietary nickel with an experiment