Sharp Ps
Also known as: Phosphatidylserine, Sharp-PS® Green
Overview
Phosphatidylserine (PS) is a phospholipid integral to cellular membranes, particularly in the brain. It's primarily sourced from sunflower lecithin and soy lecithin, and it plays a vital role in supporting cognitive functions, including memory and learning. PS is known for enhancing brain cell regeneration, optimizing neurotransmission, and maintaining myelin sheaths necessary for nerve function. Research into PS is well-established, with several studies suggesting its efficacy in potentially reducing cognitive decline, particularly in older adults. It is typically taken in supplement form to aid brain health and overall cognitive function.
Benefits
PS supplementation is supported by evidence indicating substantial improvements in cognitive functions, such as a notable increase in brain glucose metabolism by 20.3%, linked to enhanced cognitive performance. A meta-analysis highlights PS's effectiveness in ameliorating cognitive decline in elderly populations, with marked benefits in memory and cognitive tasks. Additionally, PS is associated with improvements in mild age-related memory issues and may reduce stress and anxiety effects, though evidence for these secondary benefits is less robust. The improvements observed, particularly in older adults, denote clinical significance, although specific effect sizes from reviews may vary.
How it works
PS functions by integrating into cell membranes, thereby enhancing their fluidity, which is essential for neurotransmission. It contributes to the formation of myelin sheaths that facilitate efficient nerve signal transmission. By supporting central nervous system health, PS aids in brain cell regeneration and maintenance, interacting with various molecular targets crucial for neurotransmitter activity.
Side effects
Phosphatidylserine is generally considered safe with limited reports of side effects. Most users tolerate it well, with common side effects being rare. There are no documented severe or serious adverse effects, and no significant drug interactions are noted. Caution is advised when combined with CNS-affecting medications. Individuals with underlying health conditions, pregnant or breastfeeding women, and those on multiple medications should consult healthcare providers prior to supplementation. Overall, research on its safety profile remains limited, and further studies are necessary to identify any potential risks.
Dosage
Typical dosing for PS supplementation ranges from 100 mg to 300 mg per day, with many studies focusing on this dosage range for optimal cognitive benefits. Higher doses may be required in specific cases, indicated by the nature of cognitive decline or memory issues. Consistent intake over several weeks is often recommended to observe beneficial effects, with the Sharp-PS® Green form noted for its good bioavailability. There are no defined maximum safe doses, but doses up to 300 mg per day have been used without significant adverse effects.
FAQs
Is Phosphatidylserine safe?
Yes, Phosphatidylserine is generally considered safe for most individuals; however, consulting a healthcare provider is advised for those with medical conditions or on medications.
When should I take Phosphatidylserine?
PS can be taken at any time of the day, but it is best to maintain a consistent routine for optimal benefits.
How long does it take to see results from Phosphatidylserine?
Improvement in cognitive functions and memory can typically be observed after several weeks to months of consistent supplementation.
Can Phosphatidylserine cure cognitive decline?
PS is not a cure for severe cognitive decline; it serves as a supportive supplement to help maintain and improve brain health.
Research Sources
- https://www.mindlabpro.com/blogs/nootropics/phosphatidylserine-ps – This article discusses the benefits of Phosphatidylserine, emphasizing its role in cognitive function, its sources, and relevant studies supporting its use in improving memory and cognitive performance.
- https://www.jmir.org/2019/1/e12959/ – A study published in JMIR reveals evidence linking PS supplementation with significant improvements in cognitive performance, highlighting its potential in enhancing brain metabolism.
- https://bjsm.bmj.com/content/54/20/1208 – Research featured in the British Journal of Sports Medicine discusses the cognitive benefits attributed to PS, noting its effectiveness particularly within aging populations.
- https://training.cochrane.org/handbook/archive/v6/chapter-04-technical-supplement-searching-and-selecting-studies – This Cochrane Handbook entry provides insights on systematic review methods for studying supplements, which could enhance understanding of evidence quality for PS.
Supplements Containing Sharp Ps

Teen Focus
Advanced Nutrition by Zahler

BrainSustain Creamy Chocolate
XYMOGEN

BrainSustain Vanilla Delight
XYMOGEN

BrainSustain for Kids Vanilla Delight
XYMOGEN

MemorAll
XYMOGEN

NeuroActives BrainSustain
XYMOGEN

NeuroActives BrainSustain
XYMOGEN

Sunflower PS 100 mg
Healthy Origins

Brain Charge
Source Naturals

Sunflower PS 100 mg
Healthy Origins

BrainSustain For Kids Vanilla Delight
XYMOGEN

MemorAll
XYMOGEN
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