Hippocrates said, “Man is not nourished by what he swallows, but by what he digests and uses”. Malabsorption of nutrients can be caused by pathogens and parasites, which compete for critical nutrients, clog the intestine, and block absorption of nutrients and medications.
https://www.youtube.com/watch?v=WbG6mzYUnyU&feature=youtu.be&fbclid=IwAR07cSRiUzBpr1LyW6_XXDtifWuQI9z0N3RTdP37Hv9HXv6oyu1qvRAe1gg