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	Tún (Iceland) Iceland · Tier 1 Gold	Non-GMO Project Verified United States · Tier 3 Specialty	ECO Ecocert France · Tier 2 Trusted	USDA Organic United States · Tier 1 Gold
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.	North America's leading 'no genetically modified organisms' certification. Tests for the presence of GMOs in finished products. NOT organic.	France-based independent certifier operating in 130+ countries. One of the world's largest organic + cosmetics + textile certifiers. The 'Ecocert' wordmark on a package usually means Ecocert was the accredited body that ran the inspection against the national/EU standard.	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.
Scope	Food	Food	Several categories	Food
Established	1994	2010	1991	2002
Inspection	Annual on-site, MAST-accredited	Annual third-party audit + lab testing	Annual on-site, ISO 17065-accredited	Annual on-site by USDA-accredited certifier
Residue testing	Required for at-risk operations	GMO testing only (not pesticide)	Risk-based per standard	Required on ≥5% of operations annually
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).	Verified absence of GMO ingredients (with action thresholds, not zero tolerance). Annual third-party verification. Tracing and segregation across the supply chain.	Inspection against the relevant national or private organic standard (EU 2018/848, USDA NOP, COSMOS, GOTS, Fair for Life, etc.). Annual on-site inspection. Accredited under multiple national systems including USDA NOP and EU 2018/848.	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.
Does NOT	There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.	Doesn't mean organic — Non-GMO products can use synthetic pesticides and fertilizers freely.	Ecocert is the certifier, not the standard — the actual rules come from whichever organic regulation the product is certified under.	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.

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