Safe and secure, as it is made by one of Japan's leading agar manufacturers. Easy-to-use powder type. Easy to use because it is a powder! No straining required! Convenient powdered agar. Agar contains the most dietary fiber, which is said to be lacking in our diet. Agar, a traditional food with a history of nearly 400 years, is now available in an easy-to-use powder form. It is a cooking ingredient made from 100% seaweed extract and has no calories.