Tag: Vitamin D toxicity
Universal intake of up to 40,000 IU vitamin D per day is unlikely to result in vitamin D toxicity
Here’s what Dr Garland’s study found: Results: Serum 25(OH)D rose as a function of self-reported vitamin D supplement ingestion in a curvilinear fashion, with no intakes of 10,000 IU/d or lower producing 25(OH)D values above the lower-bound of the zone of potential toxicity (200 ng/ml). Un-supplemented all-source input was estimated at 3,300 IU/d. The supplemental […]