See the USANA Difference
People who choose the EssentialsTM want results not hype.
The following is an in-house comparative analysis of USANA versus select leading U.S. brands.*
Some supplement companies make significant claims about the bioavailability of their supplements, claiming that they are more readily absorbed than tableted vitamins and minerals because of their unique delivery systems. The purpose of this in-house analysis was to compare the blood levels of select key nutrients from five diverse dietary supplements.
Vitamine B6
Riboflavine
Vitamine C
*Graphs depict relative bioavailability over time (area under curve).





