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Non-GMO Project Verified logo
Non-GMO Project Verified
United States · Tier 3 Specialty
Global Organic Textile Standard logo
Global Organic Textile Standard
Global · Tier 2 Trusted
Bio-Siegel (Germany) logo
Bio-Siegel (Germany)
Germany · Tier 1 Gold
What it meansNorth America's leading 'no genetically modified organisms' certification. Tests for the presence of GMOs in finished products. NOT organic.The strictest, most widely-recognised standard for organic textiles. Covers the full supply chain from organic fibre to finished garment, with environmental AND social criteria.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.
ScopeFoodTextilesFood
Established201020022001
InspectionAnnual third-party audit + lab testingAnnual on-site, IOAS-accreditedAnnual on-site by EU-accredited German control body
Residue testingGMO testing only (not pesticide)Required for finished productsRisk-based
Guarantees
  • Verified absence of GMO ingredients (with action thresholds, not zero tolerance).
  • Annual third-party verification.
  • Tracing and segregation across the supply chain.
  • ≥70% certified-organic natural fibre (the 'organic' grade requires ≥95%).
  • Restricted dyes, no chlorine bleach, no formaldehyde, no banned heavy metals.
  • Wastewater treatment requirements.
  • Social standards based on ILO core conventions (no child labour, no forced labour, fair wages, safe workplace).
  • Annual on-site inspection by IOAS-accredited certifier.
  • EU baseline organic (EU 2018/848).
  • Annual on-site inspection by accredited German certifier.
Does NOT
  • Doesn't mean organic — Non-GMO products can use synthetic pesticides and fertilizers freely.
  • Doesn't cover non-textile components (zips, buttons, prints) beyond the chemical-restriction list.
  • Same standard as the EU Leaf — not stricter.

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