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Demeter International logo
Demeter International
Global · Tier 2 Trusted
Tún (Iceland) logo
Tún (Iceland)
Iceland · Tier 1 Gold
BioGro New Zealand logo
BioGro New Zealand
New Zealand · Tier 1 Gold
What it meansThe 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.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.New Zealand's largest organic certifier. Recognised by the EU, US, and Japan under their respective import-equivalence regimes.
ScopeSeveral categoriesFoodSeveral categories
Established192819941983
InspectionAnnual on-site by Demeter-accredited inspectorsAnnual on-site, MAST-accreditedAnnual on-site, IFOAM-accredited
Residue testingRisk-based on top of organicRequired for at-risk operationsRisk-based
Guarantees
  • 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.
  • ≥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).
  • ≥95% organic ingredients.
  • No synthetic pesticides, no GMOs.
  • Annual on-site inspection.
  • Covers food, textiles, and personal care under separate standards.
Does NOT
  • 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.
  • There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.
  • New Zealand has no single legally-mandated 'organic' definition — voluntary certification is the norm.

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