Product Image

Natural Astaxanthin 5 mg

Solgar
4.7
★ ★ ★ ★ ★
(858 ratings)
Astaxanthin 5 mg
Product Image
Score86
Natural H. pluvialis astaxanthin at 5 mg provides a useful middle-strength antioxidant serving. No carrier oil, branded ingredient, stabilizer, or protective packaging information is supplied.
How scoring works
Quantity:60 Softgel(s) • (60 servings)
Goals:
Skin Health
Vision Support
Anti-Aging
Cardiovascular Support
Anti-Inflammatory Support

Score 86

Natural H. pluvialis astaxanthin at 5 mg provides a useful middle-strength antioxidant serving. No carrier oil, branded ingredient, stabilizer, or protective packaging information is supplied.
How scoring works
$20.46($0.34 per serving)
Pure Formulas
$ 21.74
iHerb
$ 20.46
Vitacost
$ 21.65
Amazon
$ 43.49
Daily Vita
$ 23.92
Report prices

Analysis

Natural H. pluvialis astaxanthin at 5 mg provides a useful middle-strength antioxidant serving. The softgel is suitable for absorption and the focused active is clearly disclosed.

No carrier oil, branded ingredient, stabilizer, or protective packaging information is supplied. The formula is easy to assess but delivery and preservation remain partly uncertain.

It fits adults seeking balanced support for skin resilience, visual comfort, and vascular antioxidant protection. Cognitive and broad anti-aging coverage stays narrow because no complementary actives are included.

Who is it for
  • adults seeking balanced support for skin resilience, visual comfort, and vascular antioxidant protection
  • Adults seeking antioxidant support
  • Users comfortable with the stated formulation trade-offs
Best for
  • Moderate-strength astaxanthin
  • Skin and eye antioxidant support
  • Value-focused softgel use

Pros

  • Preferred algal source
  • Useful 5 mg amount
  • Strong active-value balance

Cons

  • Carrier oil is not named
  • No stability details
  • Single-pathway formula

Warnings

  • Astaxanthin may add to the effects of blood-pressure or glucose-lowering medicines
  • Use cautiously with anticoagulant or antiplatelet medicines because combined effects are uncertain
  • Use during pregnancy or breastfeeding only with individualized professional guidance

Nutrient quality

91 Highest impact

Haematococcus pluvialis astaxanthin in a softgel gives the formula reasonable ingredient quality. The amounts are useful, though dose depth or delivery detail leaves room for improvement.

Ingredient transparency

85 Highest impact

The meaningful actives and their amounts are clearly identified. Serving guidance and the complete inactive-ingredient list are not fully supplied.

Customer satisfaction

69 High impact

The aggregate rating is strong and supported by useful review volume. No review excerpts are supplied to assess repeated complaints or purpose-specific experiences.

Value for money

95 Highest impact

Formula quality and active content support strong category value. The effective serving and focused ingredient list compare favorably with similar options.

Report analysis

Goals

Skin Health
Impact
Highest effect
A Goal FitA Strength of SupportC- CoverageA+ Formula Quality
Astaxanthin · 5 mg

Astaxanthin from Haematococcus pluvialis provides targeted antioxidant and internal photoprotection support. Human trials support improvements in selected skin moisture, elasticity, and UV-response measures.

The 5 mg amount falls within commonly studied supplemental use. Softgel delivery suits this fat-soluble carotenoid, although the carrier oil and independent purity testing are not disclosed.

Study evidence
Astaxanthin Supportive 12 studies
Vision Support
Impact
Highest effect
B+ Goal FitA Strength of SupportC CoverageA+ Formula Quality
Astaxanthin · 5 mg

Natural algal astaxanthin directly supports ocular antioxidant defenses and may help with digital eye strain. Human evidence is useful but less established for long-term vision outcomes than the AREDS2 framework.

The meaningful amount and softgel delivery suit this fat-soluble carotenoid. The single-active formula is focused, though it does not cover macular pigments, structural omega lipids, or mineral antioxidants.

Study evidence
Astaxanthin Mixed 7 studies
Anti-Aging
Impact
Highest effect
B- Goal FitA- Strength of SupportC CoverageA+ Formula Quality
Astaxanthin · 5 mg

Astaxanthin provides focused antioxidant support that may help protect skin, eye, and cell membranes from oxidative stress. Its relevance is credible, although it covers only one broad driver of aging.

The 5 mg amount from Haematococcus pluvialis fits common supplemental use and is clearly disclosed. The simple formula offers good depth but no mitochondrial, structural, or metabolic companion active.

Study evidence
Astaxanthin Supportive 4 studies
Cardiovascular Support
Impact
High effect
C+ Goal FitA- Strength of SupportD CoverageA Formula Quality
Astaxanthin · 5 mg

Astaxanthin provides antioxidant support that may help protect lipids and the vascular endothelium from oxidative stress. The 5 mg amount uses a preferred natural H. pluvialis source within a softgel.

Cardiovascular support remains narrower and less established than with omega-3s, CoQ10, or magnesium. The focused formula offers meaningful antioxidant depth but does not address lipids, blood pressure, rhythm, or cardiac energy directly.

Study evidence
Astaxanthin Supportive 12 studies
Anti-Inflammatory Support
Impact
High effect
C- Goal FitB+ Strength of SupportD+ CoverageA Formula Quality
Astaxanthin · 5 mg

Astaxanthin provides focused antioxidant support that may help moderate inflammatory stress. Its evidence is less direct and extensive than fish oil, curcumin, or boswellia for this goal.

The practical amount uses a clearly named algal source and the softgel suits a fat-soluble carotenoid. The formula does not address additional inflammatory pathways.

Study evidence
Astaxanthin Supportive 18 studies
Cognitive Support
Impact
Moderate effect
D- Goal FitB+ Strength of SupportF CoverageB+ Formula Quality
Astaxanthin · 5 mg

Astaxanthin from H. pluvialis may support neural antioxidant protection. The 5 mg amount falls within a commonly used supplemental range.

Its connection to memory and attention is indirect, so it offers limited focused cognitive support. Softgel delivery is suitable, but carrier oil, branding, and oxidation-protection details are absent.

Study evidence
Astaxanthin Mixed 6 studies

Ingredients

IngredientAmount per serving
Astaxanthin (H. pluvialis)
5 mg
Gluten Free Adults 18–50 Dairy Free Sugar Free
Report overview
B Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyA+ Value

The 5 mg dose combines a preferred H. pluvialis source with clinical-range potency. A softgel may aid absorption, but the label does not identify a carrier oil, branded ingredient, antioxidant stabilizer, or protective packaging. Cost per milligram is very low for a natural algal product.

Loading alternative details
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Markers of Hypoxia and Oxidative Stress in Aging Volunteers Ingesting Lycosomal Formulation of Dark Chocolate Containing Astaxanthin.
    Petyaev IM; Klochkov VA; Chalyk NE; Pristensky DV; Chernyshova MP; Kyle NH; Bashmakov YK · The journal of nutrition, health & aging · 2019
    Randomized trial32 participantsAnti-Aging forAstaxanthin
  2. The effectiveness of a standardized rose hip powder, containing seeds and shells of Rosa canina, on cell longevity, skin wrinkles, moisture, and elasticity.
    Phetcharat L; Wongsuphasawat K; Winther K · Clinical interventions in aging · 2016
    Randomized trial34 participantsAnti-Aging Skin Health forAstaxanthin
  3. Astaxanthin, cell membrane nutrient with diverse clinical benefits and anti-aging potential.
    Kidd P · Alternative medicine review : a journal of clinical therapeutic · 2012
    Narrative reviewAnti-Aging Vision Support forAstaxanthin
  4. Systematic Review and Meta-Analysis on the Effects of Astaxanthin on Human Skin Ageing.
    Zhou X; Cao Q; Orfila C; Zhao J; Zhang L · Nutrients · 2021
    Meta-analysis11 studies pooledAnti-Aging forAstaxanthin
  5. The anti-inflammatory and antioxidant effects of astaxanthin as an adjunctive therapy in community-acquired pneumonia: a randomized controlled trial.
    Youssef FM; Ateyya H; Hanna Samy AE; Elmokadem EM · Frontiers in pharmacology · 2025
    Randomized trial80 participantsAnti-Inflammatory Support forAstaxanthin
  6. The Role of Astaxanthin as an Antioxidant and Anti-Inflammatory Agent in Human Health: A Systematic Review.
    Malcangi G; Inchingolo AM; Casamassima L; Trilli I; Ferrante L; Longo M; Inchingolo F; Marinelli G; Palermo A; Dipalma G; Inchingolo AD · International journal of molecular sciences · 2026
    Systematic review15 studies pooledAnti-Inflammatory Support forAstaxanthin
  7. Astaxanthin ameliorates inflammation, oxidative stress, and reproductive outcomes in endometriosis patients undergoing assisted reproduction: A randomized, triple-blind placebo-controlled clinical trial.
    Rostami S; Alyasin A; Saedi M; Nekoonam S; Khodarahmian M; Moeini A; Amidi F · Frontiers in endocrinology · 2023
    Randomized trial50 participantsAnti-Inflammatory Support forAstaxanthin
  8. Astaxanthin Modulates Inflammation in Type 2 Diabetes via Regulation of microRNAs, Lysophosphatidylcholine, and α-Hydroxybutyrate.
    Sharifi-Rigi A; Zal F; Aarabi MH; Dehghani M; Roustaei Rad N; Taghiyar S · International journal of endocrinology · 2025
    Randomized trial50 participantsAnti-Inflammatory Support forAstaxanthin
  9. Redox-sensitive miRNAs and Humanin could mediate effects of exercise and astaxanthin on oxidative stress and inflammation in type 2 diabetes.
    Basereh A; Khoramipour K; Hosseini N; HajHosseini M; Khodabakhshi A; Amirkhosravi L; Khoramipour K · Scientific reports · 2025
    Randomized trial90 participantsAnti-Inflammatory Support forAstaxanthin
  10. Astaxanthin, a natural antioxidant, lowers cholesterol and markers of cardiovascular risk in individuals with prediabetes and dyslipidaemia.
    Ciaraldi TP; Boeder SC; Mudaliar SR; Giovannetti ER; Henry RR; Pettus JH · Diabetes, obesity & metabolism · 2023
    Randomized trial34 participantsCardiovascular Support forAstaxanthin
  11. Antioxidant Lipid Supplement on Cardiovascular Risk Factors: A Systematic Review and Meta-Analysis.
    Wan S; Wu W; Zhang Y; He J; Wang X; An P; Luo J; Zhu Y; Luo Y · Nutrients · 2024
    Meta-analysisCardiovascular Support forAstaxanthin
  12. Administration of natural astaxanthin increases serum HDL-cholesterol and adiponectin in subjects with mild hyperlipidemia.
    Yoshida H; Yanai H; Ito K; Tomono Y; Koikeda T; Tsukahara H; Tada N · Atherosclerosis · 2010
    Randomized trial61 participantsCardiovascular Support forAstaxanthin
  13. Effects of Astaxanthin Supplementation on Glycemic Control and Lipid Profile in Patients With Prediabetes and Type 2 Diabetes: A Meta-Analysis of Randomized Controlled Trials.
    Molani-Gol R; Bohlouli Sardroudi S; Rafraf M · Nutrition and metabolic insights · 2026
    Meta-analysis403 participants9 studies pooledCardiovascular Support forAstaxanthin
  14. Astaxanthin Supplemented with High-Intensity Functional Training Decreases Adipokines Levels and Cardiovascular Risk Factors in Men with Obesity.
    Saeidi A; Nouri-Habashi A; Razi O; Ataeinosrat A; Rahmani H; Mollabashi SS; Bagherzadeh-Rahmani B; Aghdam SM; Khalajzadeh L; Al Kiyumi MH; Hackney AC; Laher I; Heinrich KM; Zouhal H · Nutrients · 2023
    Randomized trial68 participantsCardiovascular Support forAstaxanthin
  15. Effects of astaxanthin-rich Haematococcus pluvialis extract on cognitive function: a randomised, double-blind, placebo-controlled study.
    Katagiri M; Satoh A; Tsuji S; Shirasawa T · Journal of clinical biochemistry and nutrition · 2012
    Randomized trial96 participantsCognitive Support forAstaxanthin
  16. Effect of astaxanthin-rich extract derived from Paracoccus carotinifaciens on cognitive function in middle-aged and older individuals.
    Hayashi M; Ishibashi T; Maoka T · Journal of clinical biochemistry and nutrition · 2020
    Clinical trial54 participantsCognitive Support forAstaxanthin
  17. The Effects of Astaxanthin on Cognitive Function and Neurodegeneration in Humans: A Critical Review.
    Queen CJJ; Sparks SA; Marchant DC; McNaughton LR · Nutrients · 2024
    Narrative reviewCognitive Support forAstaxanthin
  18. Effects of Astaxanthin Supplementation on Fatigue, Motor Function and Cognition: A Meta-Analysis of Randomized Controlled Trials.
    Liu C; Dong X; Jia J; Ha M · Biological research for nursing · 2024
    Meta-analysis346 participants11 studies pooledCognitive Support forAstaxanthin
  19. Astaxanthin and improvement of dementia: A systematic review of current clinical trials.
    Utomo NP; Pinzon RT; Latumahina PK; Damayanti KRS · Cerebral circulation - cognition and behavior · 2024
    Systematic reviewCognitive Support forAstaxanthin
  20. The Protective Role of Astaxanthin for UV-Induced Skin Deterioration in Healthy People-A Randomized, Double-Blind, Placebo-Controlled Trial.
    Ito N; Seki S; Ueda F · Nutrients · 2018
    Randomized trial23 participantsSkin Health forAstaxanthin
  21. Supplementating with dietary astaxanthin combined with collagen hydrolysate improves facial elasticity and decreases matrix metalloproteinase-1 and -12 expression: a comparative study with placebo.
    Yoon HS; Cho HH; Cho S; Lee SR; Shin MH; Chung JH · Journal of medicinal food · 2015
    Randomized trial44 participantsSkin Health forAstaxanthin
  22. Continuous astaxanthin intake reduces oxidative stress and reverses age-related morphological changes of residual skin surface components in middle-aged volunteers.
    Chalyk NE; Klochkov VA; Bandaletova TY; Kyle NH; Petyaev IM · Nutrition research (New York, N.Y.) · 2018
    Single-arm trial31 participantsSkin Health forAstaxanthin
  23. Cosmetic benefits of astaxanthin on humans subjects.
    Tominaga K; Hongo N; Karato M; Yamashita E · Acta biochimica Polonica · 2012
    Other66 participantsSkin Health forAstaxanthin
  24. Benefits and Safety of Astaxanthin in the Treatment of Mild-To-Moderate Dry Eye Disease.
    Tian L; Wen Y; Li S; Zhang P; Wang Y; Wang J; Cao K; Du L; Wang N; Jie Y · Frontiers in nutrition · 2022
    Single-arm trial60 participantsVision Support forAstaxanthin
  25. Astaxanthin (AstaReal®) Improved Acute and Chronic Digital Eye Strain in Children: A Randomized Double-Blind Placebo-Controlled Trial.
    Hecht KA; Marwah M; Wood V; Nishida Y; Bach AE; Gerson J; Hom MM; Schnackenberg J; Raote S; Srivastava S; Negi P; Caston E · Advances in therapy · 2025
    Randomized trial64 participantsVision Support forAstaxanthin
  26. Effects of diet containing astaxanthin on visual function in healthy individuals: a randomized, double-blind, placebo-controlled, parallel study.
    Sekikawa T; Kizawa Y; Li Y; Miura N · Journal of clinical biochemistry and nutrition · 2023
    Randomized trial60 participantsVision Support forAstaxanthin
  27. Nutritional Supplementation for Myopia Prevention and Control: A Systematic Review of Randomized Controlled Trials.
    Martinez-Perez C; Oliveira AP · Nutrients · 2026
    Systematic review9 studies pooledVision Support forAstaxanthin