Avena feeds is created from Always Non-GMO product. The minerals built in Avena, except for extreme circumstances, virtually eliminate the need to top dress, or supplement your feed. Consider the cost of supplements when comparing to Avena’s built-in naturally mined trace minerals, and black powder humates, who’s high carbon levels increase blood flow and promote microbial activity needed to keep your animals healthy and build an immune system that is effective against most common ailments.