Wounded, here’s the Cathechism, it is not compendius to everything man can put into ones body. Faith, reason, prudence and temperance come into play. The body is the temple of the Holy Sprit and we must take reasonable care of it. I would discuss with you local priest…having the catechism in hand as you do is a good idea. Another test: If Jesus himself were in front of you right now, how would you feel about telling him about your use of this? Do you feel this makes you more Holy? We are called to grow in holiness.
2288 Life and physical health are precious gifts entrusted to us by God. We must take reasonable care of them, taking into account the needs of others and the common good.
Concern for the health of its citizens requires that society help in the attainment of living-conditions that allow them to grow and reach maturity: food and clothing, housing, health care, basic education, employment, and social assistance.
2289 If morality requires respect for the life of the body, it does not make it an absolute value. It rejects a neo-pagan notion that tends to promote the cult of the body, to sacrifice everything for it’s sake, to idolize physical perfection and success at sports. By its selective preference of the strong over the weak, such a conception can lead to the perversion of human relationships.
2290 The virtue of temperance disposes us to avoid every kind of excess: the abuse of food, alcohol, tobacco, or medicine. Those incur grave guilt who, by drunkenness or a love of speed, endanger their own and others’ safety on the road, at sea, or in the air.
2291
The use of drugs inflicts very grave damage on human health and life. Their use, except on strictly therapeutic grounds, is a grave offense. Clandestine production of and trafficking in drugs are scandalous practices. They constitute direct co-operation in evil, since they encourage people to practices gravely contrary to the moral law.
Here’s another link…I am not a kava expert but it does appear to have medicinal benefits. I would discuss its use for the latter with my doctor as it can harm the body.
nlm.nih.gov/medlineplus/druginfo/natural/872.html