Astaxanthin is 100% natural, extracted from the microalgae Haematococcus pluvialis (the richest source of natural astaxanthin), cultivated in Kona on the coast of Hawaii, in a Biosecurity Area, free of pesticides and herbicides, with 100% potable water from Hawaiian aquifers, the perfect location for the growth of this microalgae due to its unique environmental conditions, which make the astaxanthin we use in SoftGel capsules have the highest Quality, Purity, and Antioxidant Power. Astaxanthin is a marine carotenoid pigment, chemically classified as xanthophyll, which is a family of non-vitamin A precursor carotenoids, it is a fat-soluble nutrient with a unique molecular structure, which confers great antioxidant capacity. ECOLOGICAL, GLUTEN FREE, NO ADDED SUGARS, ORGANIC, VEGAN Certified by: 100% natural Premium Quality (Hawai) Interesting facts: "Natural Astaxanthin has a clinically proven safety profile and has antioxidant, anti-inflammatory, and immunomodulatory properties. This evidence provides a justification to consider Natural Astaxanthin as a therapeutic agent against the inflammatory cytokine storm and the risks associated with COVID-19 infection." Source: https://pubmed.ncbi.nlm.nih.gov/33113418/