ArticleToxics2026
Safety Evaluation of Lab-Made Clinoptilolite: 90-Day Repeated Dose Toxicity Study in Sprague Dawley Rats and a Battery of In Vitro and In Vivo Genotoxicity Tests.
Article in Toxics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
0 citing papers in PubMed.
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Clinoptilolite is a zeolite with a microporous structure that enables ion exchange, molecular sieving, and adsorption, conferring detoxifying, antioxidant, and anti-inflammatory properties. These properties have applications in food, medicine, catalysis, and environmental remediation. This study evaluated the safety of the lab-made Clinoptilolite as a potential food ingredient through a 90-day repeated-dose toxicity study in male and female Sprague Dawley rats. The test substance was administered via oral gavage at doses of 0, 5, 10, and 15 mg/kg bw/day, followed by a 28-day recovery period. In addition, genotoxicity was assessed using the Ames test, in vitro chromosomal aberration assay, and an in vivo micronucleus test. All studies were conducted in accordance with OECD and FDA guidelines. Results showed no adverse systemic, genotoxic, or irreversible effects at any dose, with minor clinical variations being incidental and reversible. Genotoxicity tests confirmed no mutagenic or clastogenic potential. Overall, the lab-made Clinoptilolite evaluated in this investigation was well tolerated, non-toxic, and showed no evidence of treatment-related toxicity at the doses tested. These findings provide supportive evidence for its consideration toward a Generally Recognized as Safe (GRAS) determination.
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Registered trials
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