Opus(15) is your new go to vitamine brand. We produce supplements composed of various medicinal mushrooms that have special health benefits. We believe that preventing is better than curing, and natural is better than synthetic. We aim to persuade people that the good of nature, will help you take good care of yourself. The mushroom extracts are produced in Switzerland and bottled in the Netherlands. Opus(15) is HACCP certified: HACCP/13696. Our products are strictly vegan.