Phosphatidylserine
2 brands compared · cheapest first
Life ExtensionBest value
PS Caps (Phosphatidylserine)
100 mg phosphatidylserine · 100 capsules
$26.67for 100 doses
$0.267per dose
$0.00267 / mg
Best value by 4x. 100-cap supply lasts 3+ months.
Thorne
Phosphatidylserine
100 mg phosphatidylserine · 60 capsules
$68.00for 60 doses
$1.133per dose
$0.0113 / mg
Thorne premium pricing.
Note
Pure Encapsulations sells phosphatidylserine variants but with limited Amazon availability.