Supports Healthy Immune System Response Acai Berries indigenous to Brazil are one of the planet's most remarkable and nutritious fruits. They naturally possess phytonutrients such as ellagic acid rutin anthocyanins and catechins. These naturally occurring nutrients help support a balanced immune response and can neutralize free radicals formed through normal cellular metabolism or environmental exposure. NOW uses only solvent-free freeze-dried Acai Berries to better preserve the integrity of the nutrients present in fresh Acai.