BioStacks
Swanson

Cod Liver Oil 1 gram

1 Softgel · 60 servings · $0.14/serving

Under-dosed

Every active here is dosed below the amount studied to work. See how each one compares in the breakdown below.

Best for

Ingredients (6)

Docosahexaenoic Acid

40%

Dose

100 mg

Target

250–1000 mg

Form

ecOmega Norwegian Cod Liver Oil

33%

Dose

1000 mg

Target

3000–6000 mg

Form

Vitamin A

16%

Dose

114 mcg RAE

Target

700–1500 mcg

Form

Not listed

Vitamin D

4%

Dose

40 IU

Target

1000–5000 IU

Form

Not listed

Eicosapentaenoic Acid

14%

Dose

70 mg

Target

500–2000 mg

Form

Other Ingredients (4)

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.

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

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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.