Supercritical fluids have very desirable and unique properties when used as solvents. They possess the diffusivity properties of gases, which allow them to easily permeate finely ground solids.
Today, good scientific evidence exists to support the ability of probiotics (whether living) to increase a body's resistance to enteric pathogens, speed recovery from antibiotic-associated diarrhea, reduce hypertension, and assist with lactose digestion.
A shortfall of vitamins and minerals among the "well-heeled" is linked to increased health risks. With approximately half of the U.S. population categorized as overweight, one would think that people are consuming more than the recommended amounts of essential nutrients.