BioStacks
Every active here is dosed below the amount studied to work. See how each one compares in the breakdown below.
Best for
Ingredients (1)
Phosphatidylserine
33%Dose
100 mg
Target
300–800 mg
Form
—
Other Ingredients (8)
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
Calcium SilicateAnti-caking
Inorganic compound used as an anti-caking and flow agent in powdered supplements
Dicalcium PhosphateBinder
Calcium and phosphorus compound used as binder
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
Sunflower LecithinEmulsifier
Non-GMO, non-allergenic emulsifier derived from sunflower seeds
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
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
Take one (1) capsule daily with or without food, or as recommended by a healthcare practitioner.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$36.00
Near the median of 32 PS supplements
Track this supplement in your stack
Get personalized insights, interactions, and coverage recommendations.
Get Started FreeSimilar Supplements
Doctor's Best
PhosphatidylSerine with SerinAid 100 mg
🧘 for Stress & Mood
77
Double Wood Supplements
Phosphatidylserine 300 mg
🧘 for Stress & Mood
77
Pure Encapsulations
PS 100 (Phosphatidylserine)
🧘 for Stress & Mood
77
Vital Nutrients
Phosphatidylserine
🧘 for Stress & Mood
77
Source Naturals
Phosphatidyl Serine Matrix 500 mg
🧘 for Stress & Mood
74
Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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. studied 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.