Find grades and test results for all Zourz products below.
45.93mg
46%
2026-03
Zourz Blue Raspberry tablets contained 45.93mg of 7-hydroxy, which was about 54% weaker than its 100mg claim. It also tested positive for methanol at levels that Anresco Laboratories deemed too high, but it would have received an F rating regardless of this solvent result due to low potency.
44.02mg
44%
2026-03
Zourz Citrus Sunburst tablets contained 44.02mg of 7-hydroxy, which was about 56% weaker than its 100mg claim. It also tested positive for methanol at levels that Anresco Laboratories deemed too high, but it would have received an F rating regardless of this solvent result due to low potency.
47.66mg
48%
2026-03
Zourz Sour Watermelon tablets contained 47.66mg of 7-hydroxy, which was about 52% weaker than its 100mg claim. It also tested positive for methanol at levels that Anresco Laboratories deemed too high, but it would have received an F rating regardless of this solvent result due to low potency.
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