GNP Maximum Strength Cinnamon 500mg Capsules, 100 Count

GNP Maximum Strength Cinnamon 500mg Capsules, 100 Count, categorized under Weight management & metabolic health in the Supplements vertical. It is scored on the Vyvata Scoring Framework — an independent 6-dimension rubric applied uniformly to every product Vyvata lists.

57/100 overall — Standard tier (50–69 band). Per-dimension breakdown: Manufacturing 60, Evidence 55, Formulation 55, Safety 55, Transparency 55, Sustainability 55. Scored as of 2026-08-24.

GNP store-brand cinnamon 500 mg per capsule — dose is on the low end of the 1–6 g/day range studied for post-prandial glucose modulation (Allen 2013 meta-analysis found small but statistically significant fasting-glucose reductions of ~24 mg/dL, but heterogeneity was high and clinical relevance debated). Label does not distinguish Cassia (Cinnamomum aromaticum) from Ceylon (C. verum) — this matters because Cassia is high in coumarin (hepatotoxicity risk at chronic doses; EFSA TDI 0.1 mg/kg BW), and mass-market cinnamon is almost always Cassia. Store-brand manufacturing is standard-tier without third-party COA. Would move to Verified with Ceylon-specific sourcing, coumarin content disclosed, and 1000+ mg per serving matching studied doses.

Strongest: Manufacturing at 60/100 (third-party testing, GMP compliance, and facility audit status) and Evidence at 55/100 (quality of published RCT support for the active ingredients at the label dose). Weakest: Transparency at 55/100 (dose disclosure vs proprietary blends, and honesty of marketing claims) and Sustainability at 55/100 (sourcing practices, packaging, and corporate practice). All six dimensions feed the overall Vyvata score; a weakness on any one dimension pulls the overall down proportionally.

No third-party certifications (NSF, USP, ConsumerLab, or equivalent) were on record at the time of scoring. This affects the Manufacturing dimension score. The manufacturer may test internally or have obtained certification more recently — check the current product label for the most up-to-date information.

Would move to Verified with Ceylon-specific sourcing, coumarin content disclosed, and 1000+ mg per serving matching studied doses.

The top-ranked weight management & metabolic health product in the Vyvata catalog is currently Thorne Berberine Dietary Supplement 1000 mg 60 Capsules at 80/100. See the full ranked list of 218 scored products in this subcategory at https://vyvata.com/pages/best-weight-management-and-metabolic-health-supplements-ranked.

The Vyvata Scoring Framework rates every listed product 0–100 across six dimensions: Evidence, Formulation, Manufacturing, Safety, Transparency, and Sustainability. Tier bands: Elite 85–100 (top-tier evidence + formulation + manufacturing), Verified 70–84 (strong on most dimensions), Standard 50–69 (solid but with weaknesses called out), Rejected 0–49 (specific failures documented). Rejected products remain listed with reasons. Full methodology at https://vyvata.com/pages/methodology.

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