Wira Brand Tempeh Yeast (Ragi Tempeh) in 17.6oz (500g) bag. Wira tempeh starter contains the purest form of Rhizopus Oligosporus and Rhyzopus Oryzae spores, a mixture which only can be obtained after a complicated process, is highly potent, is free of harmful bacteria, starter is made from GMO-free products, is gluten, Soy, and dairy free. Our starters are Halal, and are suitable for vegetarians and vegans. We use as starter medium organic sterile rice powder. Product of Indonesia. Halal Certified Øلال .