BioStacks
Pure Encapsulations

PS 100 (Phosphatidylserine)

1 Capsule · 120 servings · $1.15/serving

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Under-dosed

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

Best for

Brain

Ingredients (1)

Phosphatidylserine

33%

Dose

100 mg

Target

300–800 mg

Form

—

Other Ingredients (3)

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

Hypoallergenic Plant FiberFiller

Plant-derived cellulose fiber used as a hypoallergenic filler, common in Thorne and Pure Encapsulations products

Purified WaterSolvent

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

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Similar Supplements

Products that cover similar health dimensions based on their ingredients.

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Phosphatidylserine 400mg

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Phosphatidylserine 200 mg Softgels

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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.

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