Depends on the type of estered test used. They all vary in the half life. Some are over 2 weeks and others are a matter of hours.

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Ester Half-life

formate 1.5 days
acetate 3 days
propionate 4.5 days
phenylprop 4.5 days
butyrate 6 days
Valerate 7.5 days
Hexanoate 10.5 days
caproate 9 days
isocaproate 9 days
heptonoate 10.5 days
enathate 10.5 days
octanoate 12 days
cypionate 12 days
Nonanoate 13.5 days
decanoate 15 days
Undecanoate 16.5 days

thanks, its Test E.

Most charts show active half life, not true half life.