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USDA Organic logo
USDA Organic
United States · Tier 1 Gold
Tún (Iceland) logo
Tún (Iceland)
Iceland · Tier 1 Gold
Bioland logo
Bioland
Germany · Tier 2 Trusted
What it meansThe 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.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.Germany's largest organic farmers' association. Bioland-certified farms operate to a stricter private standard than the EU baseline.
ScopeFoodFoodFood
Established200219941971
InspectionAnnual on-site by USDA-accredited certifierAnnual on-site, MAST-accreditedAnnual on-site by Bioland-accredited inspectors
Residue testingRequired on ≥5% of operations annuallyRequired for at-risk operationsRequired
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 per EU rules.
  • No synthetic pesticides, no GMOs.
  • Annual on-site inspection.
  • Animal welfare standards (outdoor / pasture access, geothermally-warmed greenhouse compatibility for vegetables).
  • 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
  • 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.
  • There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.
  • Like Naturland, membership-based — only Bioland-association farms can use the mark.

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