In response to the surging popularity of Herbal Actives Rhodiola, Nature's Plus proudly presents a more powerful Rhodiola rosea formula that extends the revitalizing, adaptogenic effects of this dynamic herb. Extended Release Rhodiola is a special formulation that provides the greatest concentration of active botanical principles, with the highest levels of standardized salidroside, rosavin, rosin, rosarin, beta-vicianosides and polyphenols. New Herbal Actives Extended Release Rhodiola delivers four times the amount of rhodiola and the same effective, standardized phytonutrients, with extended delivery for all-day support.