Double Wood Supplements Phosphatidylserine 300mg Review
A phosphatidylserine supplement designed to support cognitive functions such as focus, memory, and overall brain health. Each serving provides 300mg of the active ingredient.
Tier ⓘ
Members see this product's tier and why. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
Biohacker Mentions
Cost per month
$10
Study, Trial or Testing Result Summary
MembersHuman studies
1 of these 2 human studies gave phosphatidylserine by drip, not by mouth.
Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →
Review Totals and Summary
Members5,768 reviews
5,768 reviews · Amazon 5,543 · Doublewoodsupplements 222 · Target 3
Biohacker Summary
MembersWhat our biohacker panel says
RAL Summary
MembersThe tier and why
More Details
MembersBody systems · Combine with · Possible side effects
Supplement Facts
Phosphatidylserine ) 300 mg
Supplement Facts
Serving Size 2 Capsules
Servings Per Container 60
Amount Per Serving% Daily Value
| Phosphatidylserine (from Non-GMO soy (Soybeans)) (Standardized to 20%) | 300 mg | † |
† Daily Value not established.
Directions: Take two 150 mg capsules per day with food.
Barcode (UPC) 859793007099 · Label source: Healf · Report a label change
Where to Buy
Double Wood · Amazon · Vitacost
More adrenal support products
MembersThe highest ranked for the same goal
Graded October 23, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.

