Hikari Betta Bio Gold has been developed after considerable research into the eating habits & nutritional requirements of bettas. This floating pellet has been carefully balanced to meet the nutritional needs of your pet. The inclusion of premium-select fish meal which provides a superior protein source, Astaxanthin which helps enhances colouration, Grape Seed Extract (polyphenol) which has been shown to reduce the impacts of aging and Spirulina which naturally offers a high concentration of usable vitamins make this a daily diet perfectly suited for bettas & their high stress nature.