Home Ingredients AstaSana™ (Natural Astaxanthin)
AntioxidantHair, Skin & NailsEye Health

AstaSana™ (Natural Astaxanthin)

Evidence Level
Moderate
1 Clinical Trial
3 Documented Benefits
3/5 Evidence Score

AstaSana™ is a natural astaxanthin from microalgae, supplying the deep-red carotenoid antioxidant. Astaxanthin is studied for supporting skin elasticity, eye comfort, and antioxidant defense throughout the body.

Studied Dose Commonly 4 to 12 mg of astaxanthin per day.
Active Compound Astaxanthin, a red carotenoid antioxidant, typically from Haematococcus pluvialis microalgae.

Benefits

Skin health

Astaxanthin is studied for supporting skin elasticity and moisture and reducing the look of fine lines, a beauty-from-within benefit confirmed in a meta-analysis.

Supported by Trial 1

Antioxidant power

Astaxanthin is one of the most powerful natural antioxidants, protecting cells, skin, and eyes from oxidative and UV stress.

Supported by Trial 1

Eye and muscle support

Astaxanthin is also studied for supporting eye comfort and exercise recovery, thanks to its antioxidant reach.

Supported by Trial 1

Mechanism of action

1

Singlet-oxygen quenching

Astaxanthin's unique structure lets it span cell membranes and quench singlet oxygen and free radicals far more effectively than many antioxidants.

2

Anti-inflammatory action

By lowering oxidative stress, astaxanthin calms inflammatory signaling in skin, muscle, and other tissues.

Clinical trials

1
Astaxanthin and Skin Aging — Meta-Analysis
PubMed

Systematic review and meta-analysis of astaxanthin on human skin aging. (Zhou et al. 2021, Nutrients)

Adults across multiple trials.

Astaxanthin supplementation supported improvements in skin elasticity and moisture and reductions in wrinkle measures versus control.

Side effects and drug interactions

Common Potential side effects

Generally well-tolerated — adverse effects are uncommon.
High doses can give a slight reddish skin tint (harmless).
Mild digestive upset is occasionally reported.

Important Drug interactions

Anticoagulants — possible mild additive effect; monitor.
Generally compatible with medications.
Tell your doctor if pregnant or breastfeeding.

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Frequently asked questions about AstaSana™ (Natural Astaxanthin)

What is AstaSana?

AstaSana™ is a natural astaxanthin from microalgae, supplying the deep-red carotenoid antioxidant. Astaxanthin is studied for supporting skin elasticity, eye comfort, and antioxidant defense throughout the body.

What is AstaSana used for?

AstaSana is researched primarily for Antioxidant, Hair, Skin & Nails, and Eye Health. Astaxanthin is studied for supporting skin elasticity and moisture and reducing the look of fine lines, a beauty-from-within benefit confirmed in a meta-analysis.

What is the recommended dosage of AstaSana?

The clinically studied dose is Commonly 4 to 12 mg of astaxanthin per day. Always follow the product label and check with a healthcare provider for personal advice.

Is AstaSana safe, and does it have side effects?

For most healthy adults, AstaSana is well tolerated at studied doses. Reported effects can include: Generally well-tolerated — adverse effects are uncommon. High doses can give a slight reddish skin tint (harmless). It may also interact with some medications. AstaSana is not right for everyone, so check with a healthcare provider first if you are pregnant or breastfeeding, have a medical condition, or take prescription medication.

Does AstaSana interact with any medications?

Possible interactions include: Anticoagulants — possible mild additive effect; monitor. Generally compatible with medications. If you take prescription medication, check with a pharmacist or doctor before using it.

How strong is the scientific evidence for AstaSana?

NutraSmarts rates the evidence for AstaSana as Moderate (3 out of 5). It is backed by 1 clinical trial and 1 cited reference summarized on this page. A higher rating reflects more, larger, and better-designed human studies.

References(1 citations)

Evidence ratings on NutraSmarts are based on the totality of human clinical research, with emphasis on randomized controlled trials, meta-analyses, and systematic reviews. The references below directly support claims made throughout this page.

  1. Zhou X, Cao Q, Orfila C, et al. Systematic Review and Meta-Analysis on the Effects of Astaxanthin on Human Skin Ageing. Nutrients. 2021;13(9)..PubMedUsed to support: Meta-analysis supporting skin and antioxidant benefit of astaxanthin (the active in this branded astaxanthin).