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Phosphatidyl Serine 150 mg Soy-Free

1 Capsule · 60 servings · $0.80/serving

iHerbAmazon

Best for

Brain

Ingredients (2)

Phosphatidyl Serine

50%

Dose

150 mg

Target

300–800 mg

Form

Budget

Calcium

40 mg

Trace amount — not scored

Other Ingredients (7)

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Ascorbyl PalmitateAntioxidant

Fat-soluble form of vitamin C used as preservative

Croscarmellose SodiumDisintegrant

Cross-linked cellulose derivative used as a superdisintegrant

HypromelloseCapsule

Plant-derived capsule material from cellulose

Microcrystalline CelluloseBinder

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

Stearic AcidLubricant

Saturated fatty acid used as tablet lubricant

How to Take It

Best taken in the evening

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

With food

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

Price Check

$47.99

$20$50$100

Pricier than 73% 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.

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