A HARBinger of Health

The benefits of natural Astaxanthin

Astaxanthin is a naturally-occurring molecule that has been vastly studied for the last 20 years, with more than 100 human clinical studies and 500 pre-clinical trials showing numerous benefits for the body.

The following list mentions some key findings of Astaxanthin's wide-ranging effects:





  • Increased total leukocyte and lymphocyte count
    Chen et al. Effects of Astaxanthin on Liver and Leukocyte Parameters in Healthy Climacteric Women: Preliminary Data.
    J Med Food. 2017.


  • Higher levels of defensive salivary antibody (SgIA) added to lower levels of neutrophils
    Baralic et al. Effect of Astaxanthin Supplementation on Salivary IgA, Oxidative Stress, and Inflammation in Young Soccer Players. 
    Evid Based Complement Alternat Med. 2015.


  • Reduction of oxidative stress marker, hexanoyl-lysine, in the saliva
    Yamada et al. Evaluation of therapeutic effects of astaxanthin on impairments in salivary secretion. J Clin Biochem Nutr. 2010.

  • Reduction in creatine kinase and aspartate aminotransferase, suggesting an attenuation of muscle damage after hard training
    Djordjevic et al. Effect of astaxanthin supplementation on muscle damage and oxidative stress markers in elite young soccer players. 
    J Sports Med Phys Fitness. 2012


  • Decrease of inflammatory response under high oxidative stress conditions
    Baralic et al. Effect of Astaxanthin Supplementation on Salivary IgA, Oxidative Stress, and Inflammation in Young Soccer Players. Evid Based Complement Alternat Med. 2015.

  • Reduced average heart rate at submaximal endurance intensities
    Talbott et al. Effect of Astaxanthin Supplementation on Cardiorespiratory Function in Runners. EC Nutrition. 2017

  • Lower lipid erythrocytes and plasma oxidation
    Nakagawa et al. Antioxidant effect of astaxanthin on phospholipid peroxidation in human erythrocytes. British Journal of Nutrition. 2011.

  • Improvement of cognitive function
    Katagiri et al. Effects of astaxanthin-rich Haematococcus pluvialis extract on cognitive function: a randomized, double-blind, placebo-controlled study. J. Clin. Biochem. Nutr. 2012.

  • Boost of global mood and improvement of negative mood state parameters
    Talbott et al. Effect of Astaxanthin supplementation on psychophysiological heart-brain axis dynamics in healthy subjects. Functional Foods in Health and Disease. 2019.

  • Inhibition of age-related skin deterioration and maintenance of skin conditions during seasonal changes
    Tominaga et al. Protective effects of astaxanthin on skin deterioration. J. Clin. Biochem. Nutr. 2017.

  • Enhancement of skin elasticity, moisture, and fine wrinkles
    Yamashita et al. The Effects of a Dietary Supplement Containing Astaxanthin on Skin Condition. Japanese society of carotenoid research. 2006.

  • Decrease of corneocyte desquamation and increase of lipid droplets size resulting in facial skin rejuvenation
    Chalyk et al. Continuous astaxanthin intake reduces oxidative stress and reverses age-related morphological changes of residual skin surface components in middle-aged volunteers. Nutr Res. 2017.

  • Improvement of eye accommodation and amelioration of accommodative fatigue
    Takahashi N, Kajita M: Effects of astaxanthin on accommodative recovery. Journal of Clinical Therapeutics and Medicine. 2005. 

  • Enhancement of choroidal blood flow
    Saito et al. Astaxanthin increases choroidal blood flow velocity. Graefes Arch Clin Exp Ophthalmol. 2012.

  • Amelioration of accommodation amplitude
    Nagaki et al. Effects of Astaxanthin on accommodation, critical flicker fusion, and pattern visual evoked potential in visual display terminal workers. J. trad. Med. 2002. 

  • No adverse effects reported in studies with dosages of up to 48 mg
    Okada et al. Bioavailability of Astaxanthin in Haematococcus Algal Extract: The Effects of Timing of Diet and Smoking Habits. Biosc Biotechnol Biochem. 2009.

  • No negative effects on blood chemistry or hematology and no subject report adverse experiences with a dose of 20 mg/day
    Satoh et al. Preliminary Clinical Evaluation of Toxicity and Efficacy of A New Astaxanthin-rich Haematococcus pluvialis Extract. J. Clin. Biochem. Nutr. 2009.

  • Reduction of LDL oxidation, inhibiting the inflammatory response
    Iwamoto et al. Inhibition of low-density lipoprotein oxidation by astaxanthin. J Atheroscler Thromb. 2000. 

  • Improved blood rheology
    Miyawaki et al. Effects of Astaxanthin on Human Blood Rheology. Clin. Biochem. 2008.

  • Improvement of serum lipid profile by increasing HDL and adiponectin levels and decreasing triglycerides
    Yoshida et al. Administration of natural astaxanthin increases serum HDL-cholesterol and adiponectin in subjects with mild hyperlipidemia. Atherosclerosis. 2010.