Learn to lacto-ferment, sauerkraut.
Lacto-ferment foods have been partially digested by great healthy bacteria, so food like cabbage are easier to digest. It also helps increase the nutrient value your body up takes from the food before eliminating it. I will teach you the basics of making sauerkraut or Kim chi.
Training & Qualifications
Many years of making my own fermented products from oatmeal to beer