Hypervitaminosis
phenotype
Nutrients connected to Hypervitaminosis
A link means the body needs the nutrient for this, or that low intake is linked to it. It does not mean extra supplements help if your intake is already adequate; each link shows how strong the evidence is.
- Vitamin ADocumented risk
Too much preformed vitamin A builds up and can cause serious harm; chronic poisoning may occur above about 33,000 IU a day, and children are more sensitive. Generic slug; a specific vitamin A toxicity term is proposed.
- Cod liver oilDocumented risk
Vitamins A and D in fish liver oil can be harmful in excess; long-term high vitamin A may affect bones.
- Vitamin DDocumented risk
Vitamin D toxicity is the effect of taking far too much, nearly always from supplements, and cannot happen from sunlight.
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