Nutrition that helps the immune system work as it should — antioxidants, colostrum and beta-glucans at levels matched to the evidence.
Vitamins C and E, carotenoids and taurine to support defence against oxidative stress.
Ingredients studied for their effect on antibody response and gut immunity.
Fibres and colostrum that support the gut’s own immune defences.
Puppies and kittens, and senior pets whose immune function declines with age.
“Supports natural defences” or “supports a healthy immune system” — not medical claims about infection or disease.
Peer-reviewed studies in dogs and cats — including where evidence is limited — and how each one shapes our formulation.
Dogs fed 0.1% bovine colostrum for 48 weeks had a higher canine distemper vaccine response and higher faecal IgA than controls.
Colostrum dose and processing are set so the active survives manufacture.
Forty dogs fed an antioxidant blend for 16 weeks showed less DNA damage by week 8 and higher vaccine-specific antibodies.
Antioxidant blends are verified in the finished product, because heat and oxygen destroy them.
Yeast β-glucan kept blood monocytes stable after vaccination in Labradors, but every group reached protective antibody levels.
Claims say “supports” immune function, matching what the data show.
Species, life stage, format and the benefit you want — checked against the published evidence.
Active levels and draft claims agreed per market before formulation.
Recipe built to nutrient profiles, with actives at evidence-based levels.
Actives measured in the finished product and through shelf life.
Palatability and, where claims need it, efficacy studies with partner panels.
Label, claim substantiation file and technology transfer.
Sets nutrient and active targets against AAFCO and FEDIAF profiles.
Reviews clinical relevance, safety and claim boundaries.
Verifies active levels, stability and safety in the finished product.
Designs studies and reviews the published evidence.
Stay ahead with regulation updates, the latest research, ingredient spotlights, recalls and market trends for functional nutrition — written by our formulation, testing and regulatory teams.
Every project at Guires Pet Nutrition Lab runs inside an ISO 9001:2015 certified quality system and FSSAI-licensed operations, with documented methods, calibrated instruments, traceable raw materials and reviewed reports — so the results behind your product can be checked and defended.
Tell us the pet, the format and the markets — we will come back with an evidence-based development plan.
Every Guires PNL product is formulated to comply with the FEDIAF Nutritional Guidelines and the AAFCO Dog and Cat Food Nutrient Profiles. Neither body issues certificates to manufacturers, so compliance is verified independently against their published standards — and every product comes with a complete documentation package for regulatory submissions in the EU, US, Australia and Asian markets.
How we verify compliance →