For your information, we have posted on Blooness a μg converter ↔️ UI from Vitamin D to help supplementers navigate between the two units of measurement. Click here 👉 https://blooness.com/conversion-ug-ui-vitamine-d/
4 coffees a day = ½ teaspoon of salt lost in urine. 1 hour of sport = ½ teaspoon of salt lost. In this case, you'd need 1 teaspoon full of salt just to recover the lost salt.