Supertest 375 labels three testosterone esters at 375 mg per ml in a 10 ml vial. That concentration is 125 mg above the 250 mg standard found across most sustanon products, reducing the volume you draw for the same testosterone total.
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Main Substance
Main Substance (3)
- Testosterone Propionate
- Testosterone Decanoate
- Testosterone Isocaproate
- Dosage 375 Mg / Ml
- Pack 10 Ml · Vial
Supertest 375 by Xeno Labs arrives in a 10 ml vial, labelled at 375 mg per ml. The blend names three testosterone esters: propionate, decanoate and isocaproate. You get those three esters in one vial rather than handling separate ampoules for each.
375 mg Blend Beside Other Sustanon Concentrations
Most sustanon testosterone products label 250 mg per ml; Supertest 375 labels 125 mg higher. That means fewer millilitres drawn for a given testosterone amount compared to the 250 mg standard. The vial holds 10 ml, matching the typical volume across injectable anabolic steroids in this format. The three-ester composition sits on the propionate, decanoate and isocaproate mix common to sustanon-type blends, without adding cypionate or enanthate as some multi-ester products do.
Vial Pack and Xeno Labs Background
The vial is glass, stoppered for syringe draw. Xeno Labs is a USA-based company that has made these since 2018. The 10 ml volume gives multiple draws from one vial, where single-use ampoules require opening a fresh unit each time.
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How does the 375 mg concentration compare to standard sustanon products?
Supertest 375 labels 375 mg per ml, which is 125 mg higher than the 250 mg per ml concentration most sustanon products carry. That difference means you draw a smaller volume to reach the same testosterone amount, though the 10 ml vial size remains typical for this form.
Which testosterone esters does Supertest 375 contain?
The label names three esters: testosterone propionate, testosterone decanoate and testosterone isocaproate. That three-ester blend is the standard sustanon mix, without cypionate or enanthate added. All three arrive combined in the 10 ml vial rather than as separate ampoules.
What is the vial format for Supertest 375?
Supertest 375 comes as a single 10 ml glass vial with a rubber stopper, designed for multiple syringe draws. That multi-dose format differs from single-use ampoules, which must be opened fresh each time. The vial holds the full 10 ml volume in one sealed container.
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