Over 20% of US products tracked in 2014 featured a clean label positioning, up from 17% in 2013, according to Innova Market Insights data. Significant rises in the use of clean label ingredients have also been tracked, with growing interest in natural sweeteners, such as stevia and monk fruit, natural colors such as those based on spirulina, elderberry and beetroot, and thickeners such as tragacanth and gellan gums. -Publication: Prepared Foods