Deliver a basic foundation to your puppy or dog with an early need for basic joint support. GlycoFlex Stage 1 contains a powerhouse trio of joint support. Active ingredients are glucosamine and the GlycOmega brand of New Zealand green-lipped (perna) mussel, which both help maintain normal joint mobility. Stage 1 also contains a patented form of Dimethylglycine (DMG), an amino acid which helps maintain normal circulation and oxygen utilization. Stage 1 is great as an introductory supplement for pets needing basic joint support or for those that may be predisposed to joint health issues. Bite-sized chews.