Hikari Betta Bio-Gold Was Developed After Extensive And Careful Research Into The Dietary Habits And Requirements Of The Fighters. It Contains Selected Fishmeal That Provides An Excellent Source Of Protein, Astaxanthin To Improve Color, Grape Seed Extract (Polyphenol), Which Has Been Shown To Reduce The Effects Of Aging, And Spirulina, Which Naturally Offers A High Concentration Of Useful Vitamins, Makes Is A Daily Diet Perfectly Suited To Betta And Their Severe Stress. Protein: Min. 38% Ash: Max. 12% Moisture: Max. 10% Fats: Min. 4% Fiber: Max. 3% Phosphorus: Min. 0.7%