When your guinea pig wheeks at the sight of a food bag, you know they expect the best. But with so many pellets, hay, and supplements on the market, our editorial team compared options to find what truly meets a guinea pig’s high vitamin C needs and dental health requirements.

Guinea pigs cannot synthesize vitamin C and need a constant supply through diet. We focused on timothy hay based foods with added stabilized vitamin C, avoiding alfalfa for adults and steering clear of sugary mix ins that can cause obesity and urinary issues.