(info at seaweedbiochem dot com) Fucoxanthin is a type of carotenoid found naturally in edible brown seaweed such as wakame (Undaria pinnatifida) , hijiki (Hijikia fusiformis), marine phytoplankton, hydrophily testacean animals and a little mount in red seaweed and green seaweed. Fucoxanthin is also available as a nutritional supplement in capsule form and can be found in some health food stores and online.It has the effect for weight loss. So far, only animal studies have been done.it has also been found in animal studies to decrease insulin and blood glucose levels.Preliminary research in test tubes suggests that fucoxanthin may have anti-tumor effects.Because there hasn't been research on fucoxanthin in humans, the possible side effects aren't known. It is brown yellow powder, and we can see it with our naked eyes. It is easily soluble in ethanol. It can be used in Food coloring agents. The package: 2.5kg double aseptic food poly vacuum-bag inside, 25kg per carton or according to customer requirement. Tel: 0086-452-6188268 Fax: 0086-452-6188269 our mail box is info at seaweedbiochem dot com Email: info@seaweedbiochem.com Web: http://www.seaweedbiochem.com http://www.seaweedbiochem.cn