Absorption
✦Take with food to enhance absorption. Avoid taking with zinc supplements, as they can interfere with copper absorption.
Daily Dose
⚖
Common dose: 1-3 mg daily
RDA: 900 mcg
Upper limit: 10,000 mcg (10 mg)
Best form: Copper gluconate, copper bisglycinate
Timing: With or without food
Copper excess can lead to toxicity; deficiency is rare. Balance with zinc supplementation to avoid imbalance.
Effects
Food Sources
- Beef liver14mg per 100g
- Oysters7.6mg per 100g
- Dark chocolate (70%+)1.8mg per 28g
- Cashew nuts2.2mg per 100g
- Sunflower seeds1.8mg per 100g