Commentary on Japanese govt. daily intake recommendation amount of Magnesium
The govt. recommendation for daily meals Japanese government has made daily meal recommendations since 1970. The history is explained here . Magnesium has been on the list no later than 2005. Magnesium excretion physiology Magnesium reabsorption is done in the kidney, which is the process of every blood Magnesium is thrown away into the glomerular filtrate and re-absorbed into blood by the amount of necessary. Hypothesis behind the recommendation The recommendation( here ) and the referred studies( here and here ) checks the oral intake amount when the Magnesium amount of (Feces + Urine) - (Oral intake) is positive and determined it the recommendation amount. However, it ignores the in-body storage(See Fig 1. as visualized explanation). Since the heart beats around 60 times in a minute(it means the blood flows over the whole body 60 times in a minute), Magnesium reabsorption occurs 60 times in a minute at the kidney. It is considered to take a bit more time the Ma...