Bio•Viv HUFA essential lipid and vitamin complex provides essential Omega-3 fatty acids, DHA and EPA for growth and health of all fishes. It is particularly recommended for fish suffering from HLLE, head and lateral line erosion as a dietary supplement, and for immune system support. No medicinal claims are made for this use. It is designed to work with Bio•Viv M or F multivitamin and results will be enhanced by simultaneous use. It does not require refrigeration, but refrigeration after opening will prolong its shelf life significantly. Bio•Viv HUFA contains no glycerin, polysorbates or sugars.