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Tún (Iceland) logo
Tún (Iceland)
Iceland · Tier 1 Gold
USDA Organic logo
USDA Organic
United States · Tier 1 Gold
Bio-Siegel (Germany) logo
Bio-Siegel (Germany)
Germany · Tier 1 Gold
What it meansVottunarstofan 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.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.Germany's national organic mark, owned by the Federal Ministry of Food and Agriculture. Sits alongside the EU Leaf on most German organic packaging since 2001. Same standard as the EU Leaf — Bio-Siegel is the brand consumers recognise.
ScopeFoodFoodFood
Established199420022001
InspectionAnnual on-site, MAST-accreditedAnnual on-site by USDA-accredited certifierAnnual on-site by EU-accredited German control body
Residue testingRequired for at-risk operationsRequired on ≥5% of operations annuallyRisk-based
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).
  • 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.
  • EU baseline organic (EU 2018/848).
  • Annual on-site inspection by accredited German certifier.
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 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.
  • Same standard as the EU Leaf — not stricter.

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