Phosphatidylserine 300mg | Brain Cell Membrane Support & Cognitive Function
Phosphatidylserine is a key phospholipid in brain cell membranes with FDA-qualified health claims for cognitive function. 300mg sunflower-derived PS per capsule.
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- Free UK delivery over £30
- 14-day hassle-free returns
- Secure checkout, audit-logged
- Manually compliance-reviewed
Order dispatched, tracking info sent. Most customers take their first dose the day it arrives.
Research shows it takes ~14 days to anchor a new habit. By now, most customers have found their ideal time of day.
At 8 weeks, customers report the strongest improvements. Consistency is everything with nutritional supplements.
Over 90% of Medibro subscribers are still on the same product at 3 months — the clearest signal a supplement is working.
Benefits
- ✓Supports brain cell membrane integrity and fluidity
- ✓Improves memory, learning, and mental clarity
- ✓FDA Qualified Health Claim for cognitive function
- ✓Reduces cortisol response to exercise-induced stress
- ✓Neuroprotective effects: supports healthy brain ageing
Complete your stack
✨What customers say
From 20 reviews★ 4.7Customers appreciate the high quality and effectiveness of the supplement, noting improvements in memory, recall, and overall mental sharpness, as well as the clean formulation without fillers or additives.
Some users mention that the capsules are quite large, which may take time to get used to, and a few reviews suggest that results may take several weeks to become noticeable.
This product is ideal for individuals seeking a reliable, science-backed supplement to enhance cognitive function and mental clarity, particularly those who prefer UK-made products.
Customer reviews
- ★★★★★Emma L.08/06/2026Good science-backed product
I always check the research before buying supplements and this product ticks all the boxes. Right dose, right form, no dodgy additives. Very happy with it.
- ★★★★★William B.07/06/2026Brilliant, noticed quickly
Started noticing effects within 3 days which surprised me. memory and recall improved and I have had no adverse effects at all. Very happy with this purchase.
- ★★★★★Amelia R.03/06/2026Finally a proper UK supplement
So tired of US brands with import fees. Medibro ships fast, formulates properly, and their customer service actually responds. This supplement is excellent.
- ★★★★★Samuel V.31/05/2026Recommended by my nutritionist
My sports nutritionist suggested this specific form and Medibro was the best I found in the UK at the right dose. Very impressed with the quality.
- ★★★★★Liam F.28/05/2026Second time buying
Repurchased after running out. First lot lasted me 9 weeks which is good value. Cannot imagine not having this in my supplement stack now.
- ★★★★★Sarah M.23/05/2026My go-to now
Switched to this after my previous brand was discontinued. Really happy with the quality. You can tell they have put care into the formulation. Noticeable difference within 13 weeks.
- ★★★★★Jack D.22/05/2026Great everyday supplement
Easy to take, no taste, no side effects. mental sharpness has definitely improved. Solid product at a fair price. Would definitely recommend to anyone considering it.
- ★★★★★James K.22/05/2026Impressed by the quality
The quality really stands out. Capsules are consistent, no strong smell, dissolves well. Been using Medibro for several products now and they never disappoint.
- ★★★★☆Charlotte B.22/05/2026Very good, minor quibble
Really good quality product. Only minor thing is the capsules are quite large but you get used to it. Has definitely been working for me over the past 13 weeks.
- ★★★★★Mia J.17/05/2026Solid quality, fast delivery
Third time ordering from Medibro. Consistent quality every time and always arrives in 5 days. This supplement has become a staple in my daily routine.
- ★★★★★Harry P.16/05/2026Excellent, noticed the difference
I was sceptical at first but after 5 weeks I can feel a genuine improvement. memory and recall improved and I have had no adverse effects at all. Grateful for a UK brand that takes quality seriously.
- ★★★★★Chloe G.13/05/2026Top quality
One of the cleanest formulas I have found. No junk, no fillers, just the active ingredient at the right dose. Exactly what I was looking for.
- ★★★★☆Benjamin S.12/05/2026Happy with this
Good value for the quality. I have tried more expensive versions from other brands and honestly cannot tell a significant difference. Medibro is a much better deal.
- ★★★★☆Hannah R.11/05/2026Good addition to my routine
Added this to my daily stack and I am pleased with it. I feel noticeably better overall since starting. Good complement to my other Medibro products.
- ★★★★★Daniel E.09/05/2026Trusted brand
I trust Medibro because they are transparent about what is in their products and actually dose things correctly. So many brands underdose, not this one. Proper amounts that match the science.
- ★★★★★Jessica P.08/05/2026Does exactly what it says
Tried expensive nootropic stacks before but this version from Medibro is noticeably better. The formulation seems more thoughtful and I have had no side effects whatsoever. Highly recommend.
- ★★★★☆Isla C.01/05/2026Good, but allow time to work
Do not expect overnight results. Like any quality supplement, you need to be consistent. After 8 weeks I have noticed clear benefits. Sticking with it.
- ★★★★☆Noah H.29/04/2026Works well
Been using for 10 weeks. Definitely contributing to stress tolerance. No unpleasant effects and the price is fair. Good brand overall.
- ★★★★★Zara A.28/04/2026Genuinely impressed
Have been taking this for 5 weeks now and the difference is noticeable. Good quality product, no unnecessary fillers, and fast delivery from Medibro. Will definitely reorder.
- ★★★★☆Oliver T.28/04/2026Good product, would buy again
Solid supplement, well formulated, and arrived quickly. I have noticed some improvement in stress tolerance over the past month. Will continue with it.
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