Astaxanthin is one of nature’s most powerful antioxidants. Our bodies rely on antioxidants to relieve oxidative stress and help heal damaged cellular structures.

What is Astaxanthin?

Astaxanthin is one of nature’s most powerful antioxidants. Our bodies rely on antioxidants to relieve oxidative stress and help heal damaged cellular structures. Put simply, antioxidants fight the process of oxidation and free-radical induced oxidative stress, both of which lead to cellular breakdown over time. Skin, muscles, ligaments, tendons, eyes, internal organs, the cardiovascular system and nervous system are all receptive to astaxanthin, making it uniquely active among antioxidants.
Natural Astaxanthin comes from microscopic plants called microalgae. KeyNatura uses the freshwater micro algae Haematococcus Pluvialis, also rich in omega-3, to culture and harvest highly potent natural astaxanthin. Unlike synthetic options made from petrochemicals, our astaxanthin is natural, sustainably produced and suitable for use even by those following a vegan diet.
Astaxanthin is a unique carotenoid known for its many health benefits. It is the pigment that colors the flesh of salmon and trout pink, as well as fish roe, star fish, sea urchins, crustacean shells, and the feathers of flamingoes. The main human food sources of astaxanthin are salmon and trout. These fish acquire astaxanthin from their diet – natural prey or commercial fish feed. In supplements, the most common source is the green algae Haematococcus pluvialis, which may contain up to 4% astaxanthin by dry weight. In fact, H. pluvialis is one of its richest natural sources. H. pluvialis is now cultivated on an industrial scale and its astaxanthin content extracted for use in supplements or cosmetics. Other microorganisms cultivated for their astaxanthin content include the yeasts Xanthophyllomyces dendrorhous and Phaffia rhodozyma, the bacterium Lactobacillus plantarum, and the green algae Chlorella zofingiensis. But astaxanthin can also be synthesized. Due to its low price, synthetic astaxanthin is used as a food coloring and a feed additive for prawns and salmonids, such as salmon, trout, and Arctic char.

Antioxidants are compounds that stop the oxidation of sensitive molecules in the body. They quench the activity of free radicals – unstable compounds that can damage cells. Excessive quantity of free radicals, relative to antioxidants, causes oxidative stress. Many factors may cause this to happen, including disease, pollution or poor lifestyle habits. The body has its own antioxidant defenses, but nutrients like vitamin E, vitamin C and astaxanthin also function as antioxidants. While astaxanthin is not essential in people’s diet, it can strengthen the body’s defenses and protect against oxidative stress. Astaxanthin’s antioxidant effects are, in some ways, stronger than those of other carotenoids and vitamin E. Many studies have investigated the antioxidant effects of astaxanthin supplements in people. Most of the time, their results have been very promising. A controlled study in overweight adults showed that taking 20 mg of astaxanthin daily for three months increased the total antioxidant capacity of the blood by 35%. The supplements also raised the levels of superoxide dismutase, one of the body’s main antioxidants, by 30%. These improvements were associated with a 33% decrease in the circulating levels of malondialdehyde (MDA) and a 59% reduction in the levels of isoprostane (4). Both MDA and isoprostane are indicators of lipid peroxidation, which is the oxidative breakdown of lipids caused by free radicals. Supporting these findings, studies have confirmed that astaxanthin has direct effects on lipid peroxidation in cell membranes.

Astaxanthin Benefits:

Protects cells from oxidative damage
Boosts cardiovascular health and immune function
Supports brain, skin, joint, muscular and eye health

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