PCT Start Times + Half-Life and Active-Life explained

Below you'll find starting times for your PCT based on the active life of each compound. The active life is the duration of time it takes for the exogenous hormone to be absorbed, utilized, and expelled; no longer being bioavailable. Keep in mind that active life is an approximation which is dependant on dose, ester, as well as the individuals metabolization of the compound ; but for the moderate user, these are as close to precise as you'll find:

Anadrol/Anapolan: 24 hours after last administration
Deca: 21 days after last injection
Dianabol: 24 hours after last administration
Equipoise: 21 days after last injection
Fina/Trenbolone: 3 days after last injection
Primobolan Depot: 14 days after last injection
Sustanon: 18 days after last injection
Testosterone Cypionate: 18 days after last injection
Testosterone Enanthate: 14 days after last injection
Testosterone Propionate: 3 days after last injection
Testosterone Suspension: 24 hours after last administration
Winstrol: 24 hours after last administration

Half-life: The period of time required for the concentration or amount of drug in the body to be reduced to exactly one-half of a given concentration or amount.

Example: The half-life of anavar is 9 hours+/- (9 hours after oral administration of 50 mg of anavar, 25mg is still present in the body).

Active life: Refers to the period of in which the amount of a drug in the body is enough that it will still produce the desired effects for which it was administered.

Example: The active life of 1,000mg of testosterone decanoate would be more than one month. At day 30 after injection, 250mg or more of this drug would still be present in the body.