He is doing well but we just started this in beginning of Dec..as we saw him slow down, hip waddle where i think arthritis is.....he will be 8 in two wks! Have the best exotic vet only in Orlando Fl , he started him on 1.5ml , Once a day...just wanted thoughts if that is enough..eating , drinking doing great..just has way slowed down..his gr son, cage mate 2.5 yrs old, so he keeps him company but I just want to see what you guys do over there doseage ...thanks Kay in Fla