what nutrients do guinea pigs need
Guinea Pigs Need Vitamin C [2]. Guinea pigs cannot synthesize their own vitamin C and must obtain this vital nutrient from the food they eat. 1  If guinea pigs do not ingest enough vitamin C, they can suffer from a potentially fatal disease called âscurvyâ.2  Guinea pigs require vitamin C daily. Guinea pigs require vitamin C daily. 2  Vitamin C can be obtained through fresh, raw fruits and vegetables, or through dietary supplements. 3  Most liquid vitamins taste awful to guinea pigs and cause them to avoid drinking water with vitamins added.