Quality and safety assessment of food supplements containing caffeine and iodine

Author:

Galanty AgnieszkaORCID,Dobrowolska-Iwanek JustynaORCID,Paździora Wojciech,Podolak IrmaORCID,Paśko PawełORCID

Abstract

AbstractCaffeine-containing food supplements are often used as weight loss or memory enhancement support, which increases the potential risk for overdosing the compound. Whereas the presence of iodine-containing seaweed fucus in such products may result in thyroid disorders, when permanently overdosed. The study aimed to assess the content of caffeine and iodine in food supplements. Caffeine amount in tablets and capsules ranged from 91.8 to 138.9% of the declared content, and 2.6 ± 0.3 to 21.8 ± 2.8 mg/portion for the herbal blends with undeclared caffeine content. Iodine content ranged from 10.6 ± 0.4 to 52.5 ± 3.7 µg/portion of the products. Our results, although preliminary, suggest questionable usefulness of the tested preparations as weight loss support. Likewise, a simultaneous consumption of the recommended amounts with caffeine from other sources (e.g. coffee, tea, energy drinks, etc.), is unlikely to cause adverse effects.

Funder

The qLIFE Priority Research Area under the program “Excellence Initiative—Research University” at Jagiellonian University

Publisher

Springer Science and Business Media LLC

Subject

Agronomy and Crop Science,Food Animals,Food Science,Biotechnology

Reference10 articles.

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