L-Serine
amino acids
L-Serine is a non-essential amino acid that plays a crucial role in nervous system function and protein synthesis. It is a precursor to phosphatidylserine and other phospholipids essential for cell membrane integrity and cognitive function.
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Benefits
Dosage
Typical Dose
500-1000 mg daily
Upper Limit
2000 mg daily
Timing
With meals, divided doses
Forms & Bioavailability
L-Serine Powder
High oral bioavailability; crosses blood-brain barrier effectively
L-Serine Capsules
Good absorption; convenient dosing
Side Effects
Interactions
Research Summary
Research indicates L-Serine shows promise for supporting cognitive function and neurological health, particularly in ageing populations. Studies suggest it may help maintain cell membrane integrity and support brain plasticity. However, human clinical trials remain limited, and further research is needed to establish optimal dosing and long-term efficacy.
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The Bottom Line on L-Serine
L-Serine is moderately researched with promising but sometimes mixed evidence.It is most commonly used for supports brain health and cognitive function and promotes nervous system development and maintenance. As with any supplement, individual results vary. Start with the lower end of the dosage range and assess for 4-8 weeks before adjusting.
About Our Research
This profile is compiled from peer-reviewed research published on PubMed, the NIH Office of Dietary Supplements, and established nutritional science databases. Dosages reflect clinically-studied amounts from human trials where available. We update profiles as new research emerges. This is not medical advice — consult a healthcare professional before supplementing.
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Goal Guides for L-Serine
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