Gen-Shi Laboratories Testo-P 500 is presented in a 5-milliliter multidose vial and reportedly contains 100 milligrams of testosterone propionate per milliliter according to the label and packaging. Samples of this product were purchased from a European-based internet source between the dates of September 21, 2015 and November 7, 2015. The samples were forwarded and received by the analytical laboratory SIMEC for HPLC-UV testing on November 17, 2015. The quantitative dosage testing report was completed on January 5 ,2016.

The product was identified with the code “GSL 110 G 05” and with an expiration date of April 2018.

Label claim: Gen-Shi Testo-P 500 has a label claim of 100 mg/ml testosterone propionate.

Actual content: Gen-Shi Testo-P 500 was determined to have actual content of 0 mg/ml testosterone propionate and 213.9 mg/ml testosterone enanthate.

Discuss the Gen-Shi Testo-P 500 lab test results on the AnabolicLab Forum.

(The following images are photographs of the actual product that was submitted for testing.)

Gen-Shi Labs Testo-P 500 Dosage Quantification Lab Results [PDF]
How many milligrams of testosterone propionate are really in each milliliter of Gen-Shi Laboratories Testo-P 500? HPLC-UV (January 5, 2016) …

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Testosterone Propionate Raw Data HPLC-UV [PDF]
This PDF report (6.91 MB) includes the HPLC-UV raw data from lab reports completed by SIMEC on December 21, 2015 on the following testosterone propionate products: C38096 – Alpha Pharma TestoRapid, C38097…

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