we can offer Chlorella, spirulina,beer yeast powder,fish tankage, lecithin and so on . the Chlorell is a kind of single-cell algae, is called chlorophyta. it is a common green algae ,single or crowded. the cells are round or oval, cellwall are usually very thin, asexual reproduction. chlorella has more protein than soy, its protein is >= 50%, more vitamin A than carrots ,more iron than beef ,naturally low in fat , easy to digest .