Less than $1 a day! Kidney C.O.P. is available both on Amazon and this website (KidneyCOP.com) for only $29.95 for a thirty-day supply, which is one bottle. On Amazon, Kidney C.O.P. is also available in a 3 Pack for $79.95 (a $10 savings) and in a 6 Pack for $149.70 (a $30 savings). The more you buy, the more you save.