• Supports sleep
    • Supports maintenance of cognitive function
    • Supports general immune health
    • Supports eye health
    • Supports skin health


The brand name AstaPure® is a standardized microalgae extract containing Haematococcus pluvialis. Among all the algae, H.pluvialis is the most concentrated natural source of astaxanthin.


The carotenoids family includes astaxanthin, which is a fat-soluble pigment of yellow, orange, or red color. Astaxanthin is a pigment that occurs on the red end of the carotenoid pigment spectrum and is produced by a variety of freshwater and marine organisms. Salmon and crustaceans (including shrimp, crab, lobster, and crayfish) get their orangey-red color from this pigment, while flamingos are pink because of this pigment. Like humans, these organisms do not make their own astaxanthin, but they do consume it through the aquatic food chain.


A phytoprotective compound called astaxanthin, more of which is made when the environment is stressful, so that a microalgae like H.pluvialis is protected from ultraviolet radiation from direct sunlight. Due to its fat-soluble nature, astaxanthin is a powerful antioxidant anywhere there is a high lipid content.


Cell membranes (which have a lipid bilayer), mitochondria, and the brain and nervous system are among the places where lipids are found. Even compared to other carotenoids, astaxanthin's shape makes it useful for stabilizing and protecting lipid membranes.


A growing body of research surrounds astaxanthin's potential benefits for brain function, immune health, skin health, vision, and other areas of wellness and performance. The chemical structure of this substance allows it to cross the blood-brain barrier (BBB) and accumulate in the brain [1,2].*


Brain function*


  • Supports learning and memory [4–8]
  • Supports healthy sleep [9,10]
  • Supports brain-derived neurotrophic factor (BDNF) [11–16]
  • Supports hippocampal neurogenesis [6]
  • Influences acetylcholinesterase (AChE) activity [17]
  • Supports neural stem cells [18,19]
  • Supports neuroprotective functions [17,20–26]
  • Supports brain antioxidant defenses [11,21,25]
  • Supports neural mitochondrial function [21,26,27]
  • Influences GSK-3β signaling [26]


Antioxidant defenses*


  • Supports total antioxidant capacity [11,28]
  • Supports free radical scavenging [29]
  • Counters ROS production and oxidative stress [30–32]
  • Supports protection of DNA from oxidative damage [3,11,30]
  • Supports protection of lipids from oxidative damage [11,25,28,33–35]
  • Supports antioxidant enzyme levels (SOD, GPx, CAT) [11,25,28,30,34,36]
  • Supports replenishment of GSH [11,25,34]
  • Supports Nrf2 signaling [26,36–39]
  • Supports phase II detox enzymes [26,38–40]




  • Supports visual acuity / visual function [41,42]
  • Supports resistance to eye strain/fatigue [43]
  • Supports accommodation — focus adjustments between near and far objects [42–44]
  • Supports visual reaction time [45]
  • Supports optic nerve and retinal cell protective functions [30,36,46,47]
  • Supports retinal antioxidant defenses and protection against oxidative stress [46,47]
  • Supports protection from light-induced retinal damage [32]
  • Supports ocular blood flow [48,49]


Immune Support*


  • Supports healthy immune function [3,50–54]
  • Supports intestinal immune functions [55]
  • Supports Th1/TH2 balance [56,57]


Skin health*


  • Supports skin texture/smoothness [58]
  • May help reduce the appearance of fine lines and wrinkles [59–61]
  • Supports skin elasticity [59,61]
  • Supports skin hydration [58,60,61]
  • Supports healthy transepidermal water loss (TEWL) levels [59,62]
  • Supports healthy epidermal structure [63,64]  
  • Supports healthy skin lipids (barrier function) [64]
  • Supports uniform skin pigmentation [65,66]
  • Supports skin in adapting to environmental stress [62,63,65–71]
  • Supports dermal extracellular matrix (ECM) structure (collagen, elastin) [60,62,63,71–73]
  • Supports skin growth factor production (bFGF, VEGF) [72,73]
  • Supports skin vascularity [63]
  • Supports maintenance of skin repair functions [73,74]
  • Supports healthy skin microbiota [64]
  • Support antioxidant defenses [39,67,69]
  • Counters ROS production and oxidative stress [64,67]
  • Supports Nrf2 signaling and phase II detox defenses [39,67,75–77]
  • Supports healthy immune signaling [60,68,71,74]
  • Supports skin DNA integrity and repair [69,70]


Mood and stress response*


  • Supports a positive mental-emotional bias [78,79]

  • Supports fatigue resistance [78]


Gut microbiota*


  • Supports a healthy gut microbiota [80–82]


Healthy aging and longevity*


  • Supports mitochondrial function [83–85]
  • Supports stem cell function [18,19,39,86,87]
  • Supports cardiovascular and metabolic health [88,89]


Complementary ingredients*


  • Sesamin (from sesame seed extracts) in supporting maintenance of cognitive function [90] and recovery from mental fatigue [91]
  • Collagen for skin health [92]
  • Gotu kola for skin health [93]
  • Soy isoflavones for skin health [94]


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