Vitamin B 12 occurs in animal products (eggs, meat, milk) and recent research indicates it may also occur in some algae, such as "Chlorella" and Susabi-nori ("Porphyra yezoensis").
Vitamin B 12 occurs in animal products (eggs, meat, milk) and recent research indicates it may also occur in some algae, such as "Chlorella" Kittaka-Katsura H, et al. PMID 20013055 and Susabi-nori ("Porphyra yezoensis").