RSP Nutrition DyNO — tested by NSF International (Ann Arbor, MI); identity confirmed by RIVM (NL)

DyNO (RSP Nutrition), 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	27 mg, per serving (1 scoop, 8.1 g)

Pre-workout labelled as containing higenamine hydrochloride. Cohen et al. 2019, Table 1: higenamine 27 ± 2.7 mg per scoop. 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.