20 Mar 2019 --- Nutritionals manufacturer Revive Active has launched a supplement that targets the health and wellness of young adults. Zest Active is touted as promoting natural energy, brain function, recovery from exercise, as well as boosting the immune system due to the use of Kerry’s Wellmune beta-glucan ingredient. Available in powder form, Zest Active boasts zero sugar, zero caffeine and no artificial colorings. Already available throughout Ireland, the supplement is expected to be released in the US this September.