Camu Camu is a South American berry with one of the highest concentrations of Vitamin C. It also has a high concentration of other anti-oxidants including anthocyanins, d-limonene, and catechin. Camu also contains minerals like iron, calcium, and phosphorus, as well as B Vitamins, and the amino acids valine, leucine and serine. Camu has been shown to reduce inflammation (including C-reactive protein levels), along with allergies and hay fever. Camu is also an anti-viral and helps with the immune system. Supreme Nutrition Products is marketing it more as a superfood than a supplement. You can read more about it here.