SR 5 I really liked this product. Ive been using quali-c vitamin c from America from many years, but the capsule size and also expensive price of importation were not ideal, so I’m glad to find this product which is made in Japan and they use smaller capsule size which is suitable for Japanese consumers.I will continue using this product, vitamin c is my favorite supplement to boost my immune system and avoid catching a cold, I highly recommend this product.