Round Lake Farms Grain-Free Adult Guinea Pig Small Animal Food is a complete, timothy-based diet for adult guinea pigs (over 12 months old) that delivers high-fiber, grain-free nutrition. It’s fortified with stabilized vitamin C (essential for guinea pigs) and other key vitamins and minerals to ensure 100% balanced nutrition. Crafted with premium hay and natural ingredients with no added sugars, molasses, or artificial preservatives, this pellet food supports healthy digestion, dental health, and overall vitality in adult guinea pigs while avoiding the fillers found in many other diets. Available in Multiple Sizes