Comment Comment by mg In most countries, the officially suggested intake of Vitamin D per day is 800 IU.There is a study that showed that running around naked in the sun for 30 minutes is equivalent to taking 15000 IU:https://ar.iiarjournals.org/content/29/9/3495.longConsidering that our ancestors were doing that for more than 30 minutes per day, I wouldn't be surprised if the suggested amount of Vitamin D intake will increase in the coming years. parent mg 3 years ago
There is a study that showed that running around naked in the sun for 30 minutes is equivalent to taking 15000 IU:
https://ar.iiarjournals.org/content/29/9/3495.long
Considering that our ancestors were doing that for more than 30 minutes per day, I wouldn't be surprised if the suggested amount of Vitamin D intake will increase in the coming years.