Brosupps Gnar Pump — tested by NSF International (Ann Arbor, MI); identity confirmed by RIVM (NL)

Gnar Pump (Brosupps), tested by NSF International (Ann Arbor, MI); identity confirmed by RIVM (NL).
This is an independent test. Whoever paid for it had no interest in the answer.

Analyte	Found
higenamine	not detected (below 0.005 mg)

Pre-workout labelled as containing higenamine. Cohen et al. 2019, Table 1: less than 0.005 mg per serving, i.e. the labelled ingredient was effectively absent. Sample purchased online March 2016.

Source: Peer-reviewed analysis

Measured and reported inside a peer-reviewed paper, which names its methods and reports what it found including the negatives. Cite the paper, and read its own account of how the samples were obtained.

Report: doi.org

This entry records one test of one sample. It is not a statement about any other batch, and it is not a safety assessment.