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	Non-GMO Project Verified United States · Tier 3 Specialty	EU Ecolabel (Flower) European Union · Tier 3 Specialty	Tún (Iceland) Iceland · Tier 1 Gold	Naturland Germany · Tier 2 Trusted
What it means	North America's leading 'no genetically modified organisms' certification. Tests for the presence of GMOs in finished products. NOT organic.	The European Commission's voluntary environmental label. Covers cleaning products, paper, textiles, electronics, accommodation services. NOT an organic mark.	Vottunarstofan Tún is Iceland's only accredited organic certifier. Accredited by MAST (Matvælastofnun) under the EU 2018/848-equivalent Icelandic standard, so a Tún-certified product is also recognised as EU-organic.	A German farmers' association whose private organic standard is stricter than the EU baseline. Covers food, aquaculture, textiles, and cosmetics. Recognised globally.
Scope	Food	Several categories	Food	Several categories
Established	2010	1992	1994	1982
Inspection	Annual third-party audit + lab testing	Annual audit by national Ecolabel competent body	Annual on-site, MAST-accredited	Annual on-site by Naturland-accredited inspectors
Residue testing	GMO testing only (not pesticide)	Per-category limits	Required for at-risk operations	Required
Guarantees	Verified absence of GMO ingredients (with action thresholds, not zero tolerance). Annual third-party verification. Tracing and segregation across the supply chain.	Lifecycle-based environmental criteria per product category. Restrictions on hazardous chemicals. Annual licence renewal with audit.	≥95% organic ingredients per EU rules. No synthetic pesticides, no GMOs. Annual on-site inspection. Animal welfare standards (outdoor / pasture access, geothermally-warmed greenhouse compatibility for vegetables).	Stricter than EU 2018/848 (lower nitrogen inputs, full-farm conversion, social standards). Annual on-site inspection. Fair-pricing requirements for member farmers.
Does NOT	Doesn't mean organic — Non-GMO products can use synthetic pesticides and fertilizers freely.	Doesn't apply to food. Doesn't mean organic.	There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.	Membership-based — only farms that join the Naturland association can use the mark.

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