eCOTRITION 8-in-1 Guinea Pig/Rabbit Vita-Sol Liquid Vitamin Pet Food, Easy To Give Daily Multi-Vitamin Concentrate Just Add Water Supplies Important Vitamins For Proper Growth And Nutrition 4 Fl Oz Bottle Easy to give daily multi-vitamin concentratejust add to water. Supplies important vitamins for proper growth and nutrition. Also ideal for sick guinea pigs and rabbits.