Astaxanthin is a keto-carotenoid. It belongs to a larger class of chemical compounds known as terpenes built from five carbon precursors, isopentenyl diphosphate, and dimethylallyl diphosphate.
Astaxanthin is the most powerful natural carotenoid antioxidant.
Bitter Melon or Bitter cucumber (also known as the balsam pear, bitter gourd, and karela) is the fruit of the Momordica charantia plant. It is a part of the gourd family (Cucurbitaceae), which includes melon, pumpkin, squash, and cucumber.
The fruit has a distinct warty exterior and an oblong shape