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Hawaiian Spirulina 600 mg

LifeTIME
4.5
★ ★ ★ ★ ★
(154 ratings)
Vitamin A 4080 IU
Protein 2 Gram(s)
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Score74

Meaningful spirulina and beta-carotene offer broad nutrition, though the formula lacks targeted skin or eye actives and leaves algae contaminant testing unconfirmed.

How scoring works
Quantity:90 Capsule(s) • (22 servings)
Goals:
Vision Support
Skin Health

Score 74

Meaningful spirulina and beta-carotene offer broad nutrition, though the formula lacks targeted skin or eye actives and leaves algae contaminant testing unconfirmed.

How scoring works
$17.49($0.79 per serving)
iHerb
$ 17.49
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Analysis

Spirulina supplies protein and a nutritionally meaningful amount of beta-carotene. Beta-carotene can contribute to vitamin A needs as required, making it a gentler routine source than a large preformed-retinol dose.

The formula may support general antioxidant nutrition, but it lacks lutein, zeaxanthin, omega-3 fats, or other ingredients used for more focused eye support. Skin use is similarly broad because no structural protein, hydration active, or barrier lipid is included.

The Arthrospira species and spirulina amount are clearly listed. Pigment standardization and testing for microcystins or heavy metals are not provided, which is an important quality gap for a blue-green algae supplement.

Who is it for
  • Adults seeking a simple spirulina supplement
  • People wanting beta-carotene rather than preformed retinol
  • Users focused on broad nutritional support
Best for
  • Spirulina supplementation
  • Provitamin A intake
  • General antioxidant nutrition

Pros

  • Substantial spirulina amount
  • Species is identified
  • Nutritionally meaningful beta-carotene
  • Provides a small protein contribution

Cons

  • No contaminant-testing disclosure
  • No pigment standardization
  • Limited targeted vision ingredients
  • Not a focused skin formula

Warnings

  • The label does not confirm microcystin or heavy-metal testing, a relevant quality check for blue-green algae.
  • Smokers and former heavy smokers should avoid high-dose beta-carotene supplements unless advised by a clinician.
  • Take the dry capsules with a meal containing fat to support beta-carotene absorption.

Nutrient quality

80 High impact

A substantial identified-species spirulina amount and beta-carotene provide a simple nutrient-dense formula. The product remains broad algae nutrition rather than a complete protein or targeted vision formula.

Ingredient transparency

79 High impact

The species and all active amounts are clearly stated without a hidden blend. Complete directions, inactive ingredients, pigment standardization, and contaminant testing are not supplied.

Customer satisfaction

67 High impact

The supplied satisfaction metric is strong and response volume is substantial. Specific firsthand feedback was not supplied, so recurring complaints and purpose alignment remain uncertain.

Value for money

64 Moderate impact

A substantial simple spirulina serving supports fair value, but the serving cost is high for broad algae nutrition. The product is reasonably competitive, although clearer or more focused alternatives may offer better value.

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Goals

Vision Support
Impact
Moderate effect
C Goal FitB+ Strength of SupportD- CoverageC+ Formula Quality
Vitamin A · 4080 IU

Beta-carotene can support vitamin A needs for night vision, while spirulina adds broad nutrition rather than targeted ocular support. Vitamin A deficiency has a clear link with night-vision problems, but extra beta-carotene offers limited benefit when status is adequate.

The listed beta-carotene amount is nutritionally meaningful and the spirulina amount is substantial. The combination is broadly coherent as a nutrient-dense algae product rather than a dedicated eye formula.

Study evidence
Vitamin A Supportive 65 studies
Skin Health
Impact
Moderate effect
D- Goal FitC+ Strength of SupportD+ CoverageA- Formula Quality

Spirulina provides beta-carotene, protein, and antioxidant compounds that may support general nutrition, but it is not a targeted skin formula. Human evidence for improving hydration, elasticity, or photo-resilience from this oral spirulina serving is limited.

The Arthrospira species and total amount are clearly disclosed, while pigment standardization and contaminant testing are not provided. Blue-green algae quality depends on careful testing for microcystins and heavy metals, which the supplied label does not confirm.

Ingredients

IngredientAmount per serving
Calories
10 Calorie(s)
Protein
2 Gram(s)
Vitamin A (Beta-Carotene)
4080 IU
Sodium
19 mg
Spirulina (Arthrospira platensis)
2400 mg
Adults 18–50
Report overview
C+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyF Value

Spirulina supplies beta-carotene, a provitamin form that the body can convert to vitamin A as needed. The dose is well aligned with routine supplementation and avoids the accumulation concern linked to high-dose preformed retinol. Dry capsules require a meal containing fat for better absorption, while the cost per standardized vitamin A amount is high.

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Sources

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

  1. Efficacy and Tolerability of Topical 0.1% Stabilized Bioactive Retinol for Photoaging: A Vehicle-Controlled Integrated Analysis.
    Farris P; Berson D; Bhatia N; Goldberg D; Lain E; Mariwalla K; Zeichner J; Miller D; McGuire T; Kizoulis M · Journal of drugs in dermatology : JDD · 2024
    Meta-analysis471 participants6 studies pooledSkin Health forVitamin A
  2. Biomarkers of Tretinoin Precursors and Tretinoin Efficacy in Patients With Moderate to Severe Facial Photodamage: A Randomized Clinical Trial.
    Chien AL; Kim DJ; Cheng N; Shin J; Leung SG; Nelson AM; Zang J; Suh H; Rainer B; Wallis L; Okoye GA; Loss M; Kang S · JAMA dermatology · 2022
    Randomized trial24 participantsSkin Health forVitamin A
  3. Photodecomposition of vitamin A and photobiological implications for the skin.
    Fu PP; Xia Q; Yin JJ; Cherng SH; Yan J; Mei N; Chen T; Boudreau MD; Howard PC; Wamer WG · Photochemistry and photobiology · 2007
    Narrative reviewSkin Health forVitamin A
  4. Effect of short-term, high-dose retinol on dark adaptation in aging and early age-related maculopathy.
    Owsley C; McGwin G; Jackson GR; Heimburger DC; Piyathilake CJ; Klein R; White MF; Kallies K · Investigative ophthalmology & visual science · 2006
    Randomized trial104 participantsVision Support forVitamin A
  5. Vitamin A and fish oils for retinitis pigmentosa.
    Rayapudi S; Schwartz SG; Wang X; Chavis P · The Cochrane database of systematic reviews · 2014
    Systematic review866 participants3 studies pooledVision Support forVitamin A
  6. Long-term effects of fenretinide on retinal function.
    Decensi A; Fontana V; Fioretto M; Rondanina G; Torrisi R; Orengo MA; Costa A · European journal of cancer (Oxford, England : 1990) · 1997
    Clinical trial42 participantsVision Support forVitamin A
  7. A randomized trial of vitamin A and vitamin E supplementation for retinitis pigmentosa.
    Berson EL; Rosner B; Sandberg MA; Hayes KC; Nicholson BW; Weigel-DiFranco C; Willett W · Archives of ophthalmology (Chicago, Ill. : 1960) · 1993
    Randomized trial601 participantsVision Support forVitamin A
  8. Efficacy and safety of retinol palmitate ophthalmic solution in the treatment of dry eye: a Japanese Phase II clinical trial.
    Toshida H; Funaki T; Ono K; Tabuchi N; Watanabe S; Seki T; Otake H; Kato T; Ebihara N; Murakami A · Drug design, development and therapy · 2018
    Randomized trial66 participantsVision Support forVitamin A
  9. Vitamin A supplementation for preventing morbidity and mortality in children from six months to five years of age.
    Imdad A; Mayo-Wilson E; Haykal MR; Regan A; Sidhu J; Smith A; Bhutta ZA · The Cochrane database of systematic reviews · 2022
    Meta-analysis1,223,856 participants47 studies pooledVision Support forVitamin A
  10. Vitamin A supplementation improves retinal function in infants at risk of retinopathy of prematurity.
    Mactier H; McCulloch DL; Hamilton R; Galloway P; Bradnam MS; Young D; Lavy T; Farrell L; Weaver LT · The Journal of pediatrics · 2012
    Randomized trial89 participantsVision Support forVitamin A