Vitamin A toxicity causes liver damage and bone loss. UL is 3,000 mcg/day for adults. Your multi + cod liver oil may already exceed this. Check your risk.
Very high vitamin A (especially retinol) can cause liver injury, bone loss, and birth defects if taken during pregnancy.
| Standard | RDA | Upper Limit (UL) |
|---|---|---|
| United States | 900 mcg | 3000 mcg |
| European Union | 900 mcg | 3000 mcg |
| Australia | 900 mcg | 3000 mcg |
| China | 800 mcg | 3000 mcg |
| Japan | 900 mcg | 2700 mcg |
RDA = Recommended Dietary Allowance. UL = Tolerable Upper Intake Level. “Not established” does not mean unlimited intake is safe.
Early signs include headache, nausea, dizziness, and blurred vision. Chronic overuse can lead to liver damage, bone pain, and hair loss. The UL is 3,000 mcg/day for adults.
Yes. While beta-carotene (from plants) is generally safe, retinol and preformed vitamin A from supplements and animal sources can cause toxicity at high doses. Avoid exceeding 3,000 mcg/day of preformed vitamin A unless directed by a doctor.
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