BioStacks
Swanson

Super DHA 500 500 mg

1 Softgel · 30 servings · $0.32/serving

90 / 100Excellent

Best for

Score Breakdown

Formulation
90
Safety
100
Final score
90/100

Ingredients (4)

Docosahexaenoic Acid

100%

Dose

500 mg

Target

250–1000 mg

Form

Calamarine EE Marine Oil

100%

Dose

1220 mg

Target

1000–3000 mg

Form

Eicosapentaenoic Acid

25%

Dose

125 mg

Target

500–2000 mg

Form

Other Omega-3 Fatty Acids

5%

Dose

50 mg

Target

1000–3000 mg

Form

Not listed

Other Ingredients (9)

Natural FlavorsFlavor

Broad regulatory category of flavor constituents derived from natural sources. Composition is proprietary and not disclosed — 'Natural Flavors' can include several hundred different compounds depending on the target flavor profile, including hexane-extracted constituents and proprietary carrier solvents. 'Natural' is a regulatory definition (21 CFR §101.22), not a safety guarantee.

Ascorbyl PalmitateAntioxidant

Fat-soluble form of vitamin C used as preservative

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

GlycerinHumectant

Sweet-tasting liquid used in soft capsules and liquids

Purified WaterSolvent

Water meeting USP specifications used as solvent/vehicle in gummies and liquids

Rosemary ExtractPreservative

Natural plant-derived antioxidant used to preserve freshness and prevent oxidation of oils and fats in supplements

Sunflower LecithinEmulsifier

Non-GMO, non-allergenic emulsifier derived from sunflower seeds

Mixed TocopherolsAntioxidant

Natural vitamin E used as preservative

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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.