Sutanon has primarily been replaced by Nebido in UK & Europe because it's a very poor choice and the doctors that have people on once per week protocols are using a very old program that has been since updated in the medical community. Sutanon is not mostly long esters,
30 mg testosterone propionate
60 mg testosterone phenylpropionate
60 mg testosterone isocaproate
100 mg testosterone decanoate
Graph showing pinning Sutanon twice per week - tons of peaks and valleys and wasting half the Sustanon dose because its not being pinned EOD
Also Sustanon is arguably the most faked pharma grade steroid of all time, especially Organon Sustanon (excluding HGH).