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	Tún (Iceland) Iceland · Tier 1 Gold	Korea Organic South Korea · Tier 1 Gold	Non-GMO Project Verified United States · Tier 3 Specialty	Bioland Germany · Tier 2 Trusted
What it means	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.	South Korea's national organic mark under MAFRA (Ministry of Agriculture, Food and Rural Affairs). Required on any food sold as 유기농 in Korea.	North America's leading 'no genetically modified organisms' certification. Tests for the presence of GMOs in finished products. NOT organic.	Germany's largest organic farmers' association. Bioland-certified farms operate to a stricter private standard than the EU baseline.
Scope	Food	Food	Food	Food
Established	1994	2001	2010	1971
Inspection	Annual on-site, MAST-accredited	Annual on-site by MAFRA-accredited certifier	Annual third-party audit + lab testing	Annual on-site by Bioland-accredited inspectors
Residue testing	Required for at-risk operations	Required	GMO testing only (not pesticide)	Required
Guarantees	≥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).	≥95% organic ingredients. No synthetic pesticides, no GMOs. Annual on-site inspection by a MAFRA-accredited certifier.	Verified absence of GMO ingredients (with action thresholds, not zero tolerance). Annual third-party verification. Tracing and segregation across the supply chain.	Whole-farm conversion (no parallel conventional production). Lower permitted nitrogen inputs than EU baseline. Animal welfare standards stricter than EU baseline. Annual on-site inspection.
Does NOT	There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.	Cosmetics and textiles are covered under separate Korean schemes, not this mark.	Doesn't mean organic — Non-GMO products can use synthetic pesticides and fertilizers freely.	Like Naturland, membership-based — only Bioland-association farms can use the mark.

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