Hi-Tech Pharmaceuticals Fastin — tested by NSF International (Ann Arbor, MI) and RIVM (Bilthoven, NL)

Fastin (Hi-Tech Pharmaceuticals), tested by NSF International (Ann Arbor, MI) and RIVM (Bilthoven, NL).
This is an independent test. Whoever paid for it had no interest in the answer.

Analyte	Found
deterenol	17 mg, per serving (1 capsule)
oxilofrine	52 mg, per serving (1 capsule)

Weight-loss capsule labelled as containing isopropylnorsynephrine HCl (a deterenol synonym). Cohen et al. 2021, Table 1: deterenol 17 ± 1.4 and oxilofrine 52 ± 7.8 mg per capsule; oxilofrine was not declared. Sample purchased online April 2018.

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.