Garlic powder
Garlic powder is ground, dehydrated garlic.
It is a very common seasoning. Applications include pasta, pizza, and grilled chicken.
Garlic salt is simply salt plus garlic powder. (Pre-made products usually include an anti-caking agent.)
Garlic powder is a common component of spice mix. It is also a common component of seasoned salt.
Manufacturing
Garlic cloves are peeled and sliced. In most cases, the garlic is then heated to a temperature of between 150° and 160°C (~300-320°F). The water is removed to a moisture content of about 6.5%. The dehydrated garlic is then further sliced, chopped, or minced until the powder is reduced to the desired particle size.[1]
Health
Urology
Studies suggest that garlic taken orally as a daily supplement increases the presence of interleukin 12 in human urine, thus acting as an immunostimulant for the urinary system.[2]