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	USDA Organic United States · Tier 1 Gold	Korea Organic South Korea · Tier 1 Gold	Bioland Germany · Tier 2 Trusted	Tún (Iceland) Iceland · Tier 1 Gold
What it means	The US Department of Agriculture's national organic standard. The green-and-white seal is the legal mark for any food sold as 'organic' in the United States.	South Korea's national organic mark under MAFRA (Ministry of Agriculture, Food and Rural Affairs). Required on any food sold as 유기농 in Korea.	Germany's largest organic farmers' association. Bioland-certified farms operate to a stricter private standard than the EU baseline.	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.
Scope	Food	Food	Food	Food
Established	2002	2001	1971	1994
Inspection	Annual on-site by USDA-accredited certifier	Annual on-site by MAFRA-accredited certifier	Annual on-site by Bioland-accredited inspectors	Annual on-site, MAST-accredited
Residue testing	Required on ≥5% of operations annually	Required	Required	Required for at-risk operations
Guarantees	At least 95% of ingredients are certified organic (the '100% Organic' variant requires every ingredient). No synthetic pesticides, no synthetic fertilizers, no GMOs, no sewage sludge, no irradiation. Annual on-site inspection by a USDA-accredited certifier. Residue testing on at least 5% of certified operations each year.	≥95% organic ingredients. No synthetic pesticides, no GMOs. Annual on-site inspection by a MAFRA-accredited certifier.	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.	≥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).
Does NOT	Doesn't certify nutrition, taste, or animal welfare specifically (separate marks like AWA cover welfare). Doesn't guarantee local production — a 'USDA Organic' product can be grown anywhere with an accredited inspector.	Cosmetics and textiles are covered under separate Korean schemes, not this mark.	Like Naturland, membership-based — only Bioland-association farms can use the mark.	There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.

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