Functions
- enzymatic function
- helps metabolize fats
Deficiency
Rare
- elevated cholesterol
- atherosclerosis
- increased blood pressure
- confusion
- tremors
- irritability
- mental impairment
- grinding teeth
- sweating
- increase heart rate
- impaired vision and hearing
- skin rash
- pancreatic damage
Characteristic
- Trace Mineral
Good Sources
Natural
- green, leafy vegetables
- seeds and nuts
- beans
- whole grains
- fruit
- tea
- cocoa
- shellfish
- dairy products
Artificial
- wheat germ
- brewer's yeast
Adequate Intakes (AI)
- Males (adults)
- 2.3 mg
- Females (adults)
- 1.8 mg
- Sufficient data to set RDA are unavailable
Tolerable Upper Intake Levels (UL)
- Adults (19 to 50 yrs)
- 11 mg
- Generally considered nontoxic
- Intakes above UL may lead to negative health consequences.