BioStacks
Swanson

Astaxanthin 4 mg

1 Softgel · 60 servings · $0.28/serving

54 / 100Average

Best for

Score Breakdown

Formulation
54
Safety
100
Final score
54/100

Ingredients (1)

Astaxanthin4 mg

Within effective range

Other Ingredients

Fillers, coatings, and additives

7Safe

Mixed TocopherolsAntioxidant

Safe

GelatinCapsule

Safe

GlycerinHumectant

Safe

Purified WaterSolvent

Safe

Rosemary ExtractPreservative

Safe

Safflower Seed OilCarrier

Safe

Purified WaterSolvent

Safe

Track this supplement in your stack

Get personalized insights, interactions, and coverage recommendations.

Get Started Free

Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.