Phosphatidylserine
A phospholipid concentrated in brain cell membranes, with an unusual regulatory history worth understanding.
Why Phosphatidylserine Is in Memodyne
A phospholipid concentrated in brain cell membranes, studied in the context of cognitive function and memory in older adults. It is one of the eight named ingredients in the Memodyne formula, included at 150mg per daily capsule, and this page covers what it is, the general research context around it, and the reason it is there.
How to read the research on this Memodyne page
The studies described here examined individual ingredients, usually on their own, at doses set by the researchers, in specific groups of people. That research provides useful scientific context for why an ingredient is included in a formula.
It does not demonstrate that the finished Memodyne product produces the same outcomes. No clinical trial of this finished formula has been published, so nothing on this website should be read as clinical proof of the product itself.
What Phosphatidylserine in Memodyne Is
Phosphatidylserine is a phospholipid — a fat molecule that forms part of the structure of cell membranes. It is present throughout the body and is particularly concentrated in the brain, where it makes up a meaningful share of total membrane phospholipid.
Your body synthesises it, and it is also obtained from food, with the richest sources being organ meats and some fish. Supplemental phosphatidylserine was historically derived from bovine brain tissue; since the BSE concerns of the 1990s, commercial production shifted to soy and sunflower sources.
That sourcing change matters for interpreting the research, because much of the older and stronger evidence used the bovine-derived form.
The Research Context Behind Phosphatidylserine in Memodyne
Phosphatidylserine has been studied for cognitive function since the 1980s, mostly in older adults with age-related memory complaints, where several trials reported improvements in memory measures.
It has an unusual regulatory status: the US FDA permits a qualified health claim stating that phosphatidylserine may reduce the risk of cognitive dysfunction in the elderly, while also requiring the acknowledgement that the supporting evidence is limited and inconclusive. That is a genuinely useful summary — it is neither dismissed nor established.
Research in healthy younger adults is thinner. Some studies have examined it around exercise stress and cortisol response with mixed findings.
Why Phosphatidylserine Is Included in Memodyne at 150mg
It supports the mental clarity and cognitive wellness positioning through its structural role in the membranes where neural signalling happens.
On the amount: trials reporting cognitive effects commonly used around 300mg daily, frequently split across doses, so 150mg sits below the more studied intake. Worth knowing when setting expectations. Anyone with a soy allergy should also check the source, since soy-derived phosphatidylserine is common.
Responsible Expectations and Safety for Phosphatidylserine in Memodyne
Read this as structural nutritional support rather than something with a noticeable acute effect. The stronger evidence concerns older adults with existing memory complaints rather than healthy adults seeking sharper focus.
Safety notes. Phosphatidylserine is generally well tolerated, with digestive upset and insomnia reported occasionally at higher intakes.
It may have mild blood-thinning effects, so anyone taking anticoagulants or with surgery planned should seek advice. Because it can influence cortisol response, people taking medication affecting that system should mention it to their doctor.
Related Memodyne Reading
The main ingredients page sets out how all eight work together, and the benefits page explains what the formula is positioned to support and what it does not do.
More Memodyne Ingredients
Bacopa Monnieri
A herb used in Ayurvedic practice, studied in the context of memory and learning, where effects build gradually over weeks rather than appearing quickly.
500mgLion's Mane
An edible mushroom studied for its compounds' relationship with nerve growth factor, mostly in laboratory and animal research to date.
120mgGinkgo Biloba
One of the most studied botanicals in the world, examined mainly around cerebral blood flow and cognition, with genuinely mixed results.
300mgAlpha-GPC
A choline-containing compound that serves as a precursor in the body's production of acetylcholine, a neurotransmitter involved in learning and attention.
Make Memodyne Part of Your Daily Routine
One capsule a day, taken with water and preferably with a meal, alongside the sleep, movement and mental engagement that do the heavier lifting for cognitive wellness. Eight named ingredients, stimulant-free, and a 60-day money-back guarantee on every order.
From $49 per bottle · Stimulant-free · 60-day guarantee · Free shipping on 3 and 6 bottles
