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
Budget
Other Ingredients (9)
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
Ascorbyl PalmitateAntioxidant
Fat-soluble form of vitamin C used as preservative
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
HypromelloseCapsule
Plant-derived capsule material from cellulose
LeucineFlow Aid
Branched-chain amino acid used as a processing aid
Mixed TocopherolsAntioxidant
Natural vitamin E used as preservative
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 1 capsule, 1 to 2 times daily with food or as directed by a healthcare professional.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$43.99
Near the median 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. 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.