Phosphatidyl Serine

Name: Phosphatidyl Serine
Brand: Carlson
Rating: 8 (1 reviews)

1 Softgel · 30 servings · $0.80/serving

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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)

Phosphatidyl Serine

33%

Dose

100 mg

Target

300–800 mg

Form

—

Other Ingredients (6)

MaltodextrinBinder

Spikes blood sugar faster than table sugar (glycemic index 85–105). Research links it to gut bacteria changes that may promote intestinal inflammation (Nickerson et al. 2015). Used as a cheap filler — adds nothing beneficial.

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

Ascorbyl PalmitateAntioxidant

Fat-soluble form of vitamin C used as preservative

Mixed TocopherolsAntioxidant

Natural vitamin E used as preservative

Sunflower Seed OilCarrier

Common vegetable oil from sunflower seeds used as a carrier in softgels for fat-soluble nutrients

How to Take It

Best taken in the evening

Evening use targets nighttime cortisol; fat-soluble, so take with food.

With food

On the label

Adults take one soft gel one to three times daily, at mealtime.

General guidance based on the ingredients, not a substitute for the label or your doctor.

Price Check

$23.97

Cheaper than 90% of 32 PS supplements

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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.