Coca/ˈkəʊkə/ Definition 1 of 3Pro Tip 1/3Local Tradition In South America, coca is part of cultural practices and is not illegal. Coca is integral to Andean spiritual ceremonies. Pro Tip 2/3Legal Status Globally, coca leaves are controlled substances; legality varies by country. Traveling with coca leaves may be illegal in some countries. Pro Tip 3/3Non-Drug Use Coca leaves themselves are not usually addictive when used traditionally. For centuries, indigenous people have used coca for its natural stimulants.