Marcus Rohrer Spirulina^® is a 100% top quality Spirulina with over 100 nutrients and the full spectrum of minerals. It is grown on a special water farm in sunny Hawaii. The quality is strictly monitored from source to final packaging. Daily controls during growth, careful processing in accordance with state-of-the-art techniques and quality controls in line with stringent international standards, guarantee optimum quality and purity. Marcus Rohrer can only apply this guarantee of quality to the original Marcus Rohrer Spirulina^®, which is packaged in Miron^® glass. Marcus Rohrer Spirulina from Hawaii is backed by scientific proof of highest nutrient levels with unprecedented purity and concentration, making it simply, the best Spirulina in the world.