Help your cat feel their best with Fera Pets Lysine for Cats Immune & Eye Health Supplement. This vet-formulated powder combines 500 mg of lysine per serving with traditional botanicals like olive leaf extract and echinacea. It also includes compounds like lactoferrin and quercetin. Additionally, Epicor Pets postbiotic helps balance the microbiome to promote a strong immune system. Together, these ingredients boast a variety of benefits. They support immune and respiratory health, promote healthy nasal and eye function, maintain normal histamine levels, and protect against free radicals with powerful antioxidants. Plus, these functional ingredients do it all without fillers.