This COA was tested by Janoshik, an independent third-party lab. The report, dated March 26, 2021, indicates a concentration of 173.93 mg/ml for Trenbolone Enanthate, against a labeled quantity of 200mg. The test method was qualitative and quantitative analysis. This test is stale (over 5 years old) and lacks specific purity or endotoxin results. Customers can cross-check on the lab's public verification URL.