Most Cat Eye & Immune Products Only Hit One Pathway
That's why lysine alone stopped working. It was never wrong, it was just incomplete. Your cat's eyes and immune system need support from four directions at once, not one.
Eight actives, four pathways, one daily chew. Not another single-ingredient guess.
We Started FurryCore Because One Ingredient Was Never Enough
Most cat parents dealing with recurring eye and immune flare-ups have already tried the obvious fix, plain lysine, and watched it barely move the needle. We built FurryCore because the problem was never the lysine. It was that lysine alone was only ever one piece of the puzzle.