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	Tún (Iceland) Iceland · Tier 1 Gold	EU Organic (Euro-Leaf) European Union · Tier 1 Gold	Non-GMO Project Verified United States · Tier 3 Specialty	Demeter International Global · Tier 2 Trusted
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.	The mandatory mark for any pre-packaged organic food sold in the EU. The 'Euro-Leaf' is a stylised leaf made of twelve white stars on a green background.	North America's leading 'no genetically modified organisms' certification. Tests for the presence of GMOs in finished products. NOT 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.
Scope	Food	Food	Food	Several categories
Established	1994	2010	2010	1928
Inspection	Annual on-site, MAST-accredited	Annual on-site by accredited control body in producer country	Annual third-party audit + lab testing	Annual on-site by Demeter-accredited inspectors
Residue testing	Required for at-risk operations	Risk-based; mandatory at higher-risk operations	GMO testing only (not pesticide)	Risk-based on top of organic
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 agricultural ingredients are organic (regulation EU 2018/848). No synthetic pesticides, no synthetic fertilizers, no GMOs. Animal welfare standards (outdoor access, lower stocking density, no routine antibiotics). Annual inspection by an accredited control body in the producing member state. Mandatory display of the certifier's code and origin (e.g. 'EU Agriculture' / 'Non-EU Agriculture').	Verified absence of GMO ingredients (with action thresholds, not zero tolerance). Annual third-party verification. Tracing and segregation across the supply chain.	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	There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.	Doesn't ban the natural pesticides allowed under the regulation (copper sulphate, spinosad). Doesn't certify processed-food additives beyond the EU's permitted list.	Doesn't mean organic — Non-GMO products can use synthetic pesticides and fertilizers freely.	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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