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.
Product Focus: Adrenal SupportAlso graded for:Focus and MemoryAlso covers:HormonesBrain
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 SummaryMembersHuman studies
1 of these 2 human studies gave phosphatidylserine by drip, not by mouth.
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Review Totals and SummaryMembers5,768 reviews
5,768 reviews · Amazon 5,543 · Doublewoodsupplements 222 · Target 3
Biohacker SummaryMembersWhat our biohacker panel says
RAL SummaryMembersThe tier and why
More DetailsMembersBody systems · Combine with · Possible side effects
Supplement FactsPhosphatidylserine ) 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
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.

