Carotenoids are pigments that are naturally found in many different fruits, vegetables, algae and plants. They are widely known for having a variety of health benefits. The health benefits of carotenoids have been the subject of many scientific research studies. Nonetheless, the results are sometimes disputed. What is the current position? Overview of research by Eggersdorfer & Wyss.
Astaxanthin is a molecule of the carotenoid family with benefits widely studied by science. However, its origin is not always clear: is it astaxanthin from natural sources? Synthetic astaxanthin? Or even astaxanthin produced from yeast?