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Naturland logo
Naturland
Germany · Tier 2 Trusted
Tún (Iceland) logo
Tún (Iceland)
Iceland · Tier 1 Gold
Demeter International logo
Demeter International
Global · Tier 2 Trusted
What it meansA German farmers' association whose private organic standard is stricter than the EU baseline. Covers food, aquaculture, textiles, and cosmetics. Recognised globally.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.The certification mark for biodynamic agriculture. Stricter than any government organic standard: it covers the entire farm as a closed ecosystem, follows a planting calendar tied to lunar/solar cycles, and bans many practices the baseline organic rules permit.
ScopeSeveral categoriesFoodSeveral categories
Established198219941928
InspectionAnnual on-site by Naturland-accredited inspectorsAnnual on-site, MAST-accreditedAnnual on-site by Demeter-accredited inspectors
Residue testingRequiredRequired for at-risk operationsRisk-based on top of organic
Guarantees
  • Stricter than EU 2018/848 (lower nitrogen inputs, full-farm conversion, social standards).
  • Annual on-site inspection.
  • Fair-pricing requirements for member farmers.
  • ≥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).
  • All organic standards PLUS biodynamic preparations and whole-farm planning.
  • Whole-farm certification (not single fields/products).
  • Annual on-site inspection by Demeter-accredited inspectors.
  • Animal welfare standards stricter than baseline organic.
Does NOT
  • Membership-based — only farms that join the Naturland association 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.
  • Biodynamic philosophy includes esoteric elements (lunar planting, herbal preparations) that many scientists view as non-evidence-based — the agronomic outcomes are still good, the underlying claims about cosmic forces are not testable.

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