iCheck

From challenge to solution - developing and validating a tool to assess vitamin A status

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iCheckSight and Life has long recognized that the lack of simple, field-ready tools to analyze micronutrient concentration in both blood and food has been a significant challenge, requiring an innovative solution. Sight and Life has been part of the collaboration to develop the iCheck tool, an effective and efficient means of measuring vitamin A in biological and food samples.  

We therefore worked with BioAnalyt, Center for Studies of Sensory Impairment, Aging and Metabolism (CeSSIAM), and the Swiss Tropical and Public Health Institute to develop and validate an easy-to-use handheld tool for assessing vitamin A status, known as the ‘iCheck’. This resulted in a breakthrough. Today, iCheck delivers reliable results, empowering those who have the need to make decisions autonomously. iChecks are currently used in over 60 countries by researchers, monitoring authorities and quality control managers. Its usage ensures food safety and quality, and will thus save and improve peoples’ lives.  

“Guatemala is one of the countries with obligatory fortification of granulated table sugar with vitamin A. We have been able to verify that the readings the iCHECK FLUORO gives for sugar vitamin A concentrations conforms to level mandated by the national norm.”
– Noel W. Solomons, Scientific Director, CeSSIAM Guatemala City

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