ptSU02 (2027) Food Supplement: Vitamins A, E, D3, K1, β-Carotene, Coenzyme Q10 (total CoQ10, Ubiquinone, Ubiquinol) and Alpha Lipoic Acid in Capsule Powder (enriched / high levels)
EPTIS factsheet 1638736 | Last revision 2026-10-27 | URL: https://www.eptis.bam.de/pts1638736 https://www.eptis.bam.de/pts1638736
| PT provider | |||||||||||||||||||||||||
| PT provider | DLA - Proficiency Tests GmbH DLA - Proficiency Tests GmbH | ||||||||||||||||||||||||
| Based in | Germany | ||||||||||||||||||||||||
| Language(s) | English | ||||||||||||||||||||||||
| Remarks | ptSU02 (2027) Food Supplement: Vitamins A, E, D3, K1, β-Carotene, Coenzyme Q10 (total CoQ10, Ubiquinone, Ubiquinol) and Alpha Lipoic Acid in Capsule Powder (enriched / high levels) Food Supplements and Dietetic Products PTs (quantitative) Test items: 2 samples (50 g each) Methods: All suitable methods can be applied. Procedure: There are two identical samples with the parameters Vitamins A, E, D3, K1, β-Carotene, Coenzyme Q10 (total CoQ10, Ubiquinone, Ubiquinol) and Alpha Lipoic Acid to be determined. The matrix is a capsule powder (without capsule shell) as a food supplement. The contents are in the range of the nutrient reference values per recommended daily dose of approx. 0,2-3 g (1-3 capsules). Evaluation: The evaluation is carried out quantitatively from a total of 5 results on. It includes kernel density estimation, outlier tests, robust mean, robust standard deviation and z-scores. The assigned value is the robust mean of participants results. For more details see our website: https://www.dla-lvu.de or our webshop https://my.dla-pt.com/products | ||||||||||||||||||||||||
| Keywords | |||||||||||||||||||||||||
| Product groups |
Food and drink
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| Testing fields |
Analytical chemistry
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| Technical details | |||||||||||||||||||||||||
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| Aims of the PT scheme | |||||||||||||||||||||||||
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| Linked to specific legislation / standards | |||||||||||||||||||||||||
| Additional, subsidiary aims | |||||||||||||||||||||||||
| Number of participants | 10-20 | ||||||||||||||||||||||||
| Accredited or otherwise reviewed by a 3rd party | |||||||||||||||||||||||||
| Operation is commissioned / requested by | |||||||||||||||||||||||||
| Fees and frequency | |||||||||||||||||||||||||
| Participation fee | See our website at https://www.dla-lvu.de/ | ||||||||||||||||||||||||
| Regularly operated | Yes (every 2 years) | ||||||||||||||||||||||||
| Year of first operation | before 2015 | ||||||||||||||||||||||||
| Contact details of the PT provider | |||||||||||||||||||||||||
| Provider | Contact person | ||||||||||||||||||||||||
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DLA - Proficiency Tests GmbH
Hauptstr. 80 23845 Oering Germany Phone: +49-171-1954375 Fax: +49-4102-9944976 Web: https://my.dla-pt.com/products https://my.dla-pt.com/products |
Dr. Matthias Besler-Scharf
Phone: +49-171-1954375 Fax: +49-4102-9944976 Email: proficiency-testing@dla-lvu.de proficiency-testing@dla-lvu.de |
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If you find any mistakes please contact the responsible EPTIS coordinator in Germany,
Mr Johannes van de Kreeke.
Mr Johannes van de Kreeke.