1 Capsule lasts 7 days. Experience Mind Blowing Sex. Maximize the time of intercourse, free from Premature Ejaculation, Maximize Volume of Ejacualtion, Amazing Increase in Thickness, Experience Rock Hard Erections, Maximize Sexual Confidence, No Prescription Necessary, Doctor Designed. Take one Black 3K capsule one hour before sex to help energy, libido and sexual performance. Can also be used on a regular basis to maintain optimal condition of readiness before sex. Take one hour apart from taking other supplements or medication. Increased Size, Long Lasting.