 SGS Advises of Significant GDCh Revisions Impacting Vitamin E DeclarationsSGS highlights revised vitamin conversion tables issued by GDCh, noting updated factors that could significantly update vitamin E calculations, impacting nutritional declarations and labeling across the EU.
By: SGS The GDCh revisions introduce clearer differentiation between individual vitamin compounds, updated conversion factors and units, the removal of historical simplifications and stronger alignment with EU food law requirements. While analytical measurement results remain unchanged, nutrient values calculated using the new factors may differ significantly, affecting nutritional declarations and product evaluation. SGS experts identify vitamin E as one of the most significant areas of change. The revised tables adjust the conversion factors used to calculate α-tocopherol equivalents from synthetic DL-α-tocopherol and DL-α-tocopherol acetate, resulting in a substantially lower assigned vitamin E activity for these forms. The revised framework also establishes that tocopherols and tocotrienols other than α-tocopherol are no longer considered to contribute to vitamin E activity. This is particularly relevant for vegetable oils, tocopherol mixtures and fortified foods that previously relied on other tocopherol forms for calculation purposes. In some cases, calculated vitamin E values could drop by more than 30 percent compared to earlier tables, despite unchanged laboratory results. Although the GDCh vitamin conversion tables are not legally binding, SGS notes that they are widely used as an authoritative technical reference by manufacturers, auditors and regulators. As a result, companies may need to review specifications, update nutritional calculations, adjust vitamin-related labeling and revise documentation provided to authorities or customers. By highlighting this development, SGS helps food and dietary supplement companies respond to evolving technical expectations and implement changes efficiently, supported by vitamin analysis services and expert guidance on nutritional declarations. Stakeholders are encouraged to read the complete article (https://www.sgs.com/ For further information, please contact: Jennifer Buckley Senior Global Marketing Manager SGS, Health & Nutrition Tel: +1 9738669043 About SGS SGS is the world's leading Testing, Inspection and Certification company. We operate a network of over 2,500 laboratories and business facilities across 115 countries, supported by a team of 99,500 dedicated professionals. With over 145 years of service excellence, we combine the precision and accuracy that define Swiss companies to help organizations achieve the highest standards of quality, compliance and sustainability. End
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