BioStacks
Best for
Ingredients (1)
Phosphatidylserine
100%Dose/day
300 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
How to Take It
Best taken in the evening
Evening use targets nighttime cortisol; fat-soluble, so take with food.
With food
Label directs 3 servings — keep one for the evening
On the label
As a dietary supplement, take 1 capsule, 3 times daily, with meals.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$137.60
Pricier than 99% 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.