BioStacks
Metagenics

Phosphatidylserine

1 Softgel × 2/day · 60 servings · $1.32/serving

iHerbAmazon

Best for

Brain

Ingredients (1)

Phosphatidylserine

100%

Dose/day

300 mg

Target

300–800 mg

Form

Budget

Other Ingredients (4)

Medium Chain Triglyceride OilCarrier

Fractionated oils rich in C8/C10 triglycerides used as neutral carrier or anti-sticking agent

Ascorbyl PalmitateAntioxidant

Fat-soluble form of vitamin C used as preservative

Mixed TocopherolsAntioxidant

Natural vitamin E used as preservative

SoftgelCapsule

One-piece gelatin capsule shell with a plasticizer (typically glycerin), used to encapsulate liquid or oil-based supplements

How to Take It

Best taken in the evening

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

With food
Label directs 2 servings — keep one for the evening

On the label

Directions: Take one softgel twice daily with food or as directed by your healthcare practitioner.

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

Price Check

$79.23

$50$100

Pricier than 89% of 29 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.

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