What it is
D-Serine is an amino acid supplement that acts as a co-agonist at NMDA receptors. It is used to support cognitive functions, particularly memory and attention, and to address symptoms of brain fog.
Supplement · Nootropic & Choline
D-Serine
500 mg · vegan · gluten-free · 90 caps
brain-fogmemory-lossattention-difficulty brain
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How it works
D-Serine modulates NMDA receptor activity, which is crucial for synaptic plasticity and learning. By binding to the glycine site of the NMDA receptor, it enhances glutamate signaling, thereby supporting memory formation and cognitive processing. Effects are typically observed within 2-8 weeks of consistent use.
Who should take it
Adults looking to address brain fog, memory decline, attention difficulty. Particularly relevant for people who prefer a targeted single ingredient and who have ruled out an underlying condition that needs medical care first.
Avoid / careful
Pregnant or nursing women without clinician oversight. People on prescription medication affecting the same pathway should consult a doctor before combining. Side effects are uncommon at recommended doses but mild GI upset can occur when starting.
When to take it
Morning
Noon
Evening
Night
How to take it
With food
Empty stomach
Before food
FAQs
Frequently asked
How long does it take for D-Serine to work?
Noticeable cognitive effects are typically observed within 2 to 8 weeks of consistent daily dosing.
Can D-Serine be taken with other supplements?
Yes, D-Serine can be layered into a broader supplement protocol. Consult your clinician for personalized stacking advice.
Are there any common side effects?
Side effects are uncommon at recommended doses, but mild gastrointestinal upset may occur when first starting supplementation.
Research
6 studies · 2010–2024
Evidence grade
ABCD
C · C · emerging-to-moderate human evidence for brain fog and memory concerns
From the blog
Editorial notes
SacredBod's longer take on D-Serine — context the structured blocks above don't capture.
About D-Serine
D-Serine is a nootropic & choline supplement used to support brain fog and memory concerns. NMDA co-agonist amino acid for memory and cognition. It is available in capsule form and dosed for adults in India and internationally. As a western-tradition entry in the SacredBod catalog, it is positioned as a single-ingredient option that can be used on its own or layered into a broader protocol. D-Serine works through the mechanisms characteristic of its class — see the mechanism and research sections for detail. It primarily acts on the brain, nervous system, and effects are dose-dependent, typically becoming measurable within 2-8 weeks for noticeable cognitive effects. Consistency matters more than dose size for this category.
Evidence
D-Serine carries an evidence grade of C in the SacredBod catalog, reflecting emerging human evidence for brain fog and memory concerns. NMDA co-agonist amino acid for memory and cognition. Benefits are cumulative rather than immediate, typically becoming noticeable within 2-8 weeks for noticeable cognitive effects, and individual response varies.
Dosing
A typical dose is 500 mg, taken with food, usually in the morning. Start at the lower end, assess tolerance, and stay consistent; more is not automatically better.
Cautions
Pregnant or nursing women without clinician oversight. People on prescription medication affecting the same pathway should consult a doctor before combining. Side effects are uncommon at recommended doses but mild GI upset can occur when starting.
Who it’s for
Adults looking to address brain fog, memory decline, attention difficulty. Particularly relevant for people who prefer a targeted single ingredient and who have ruled out an underlying condition that needs medical care first.
As part of the Nootropic & Choline category, D-Serine can be used on its own or layered into a broader protocol — see the Goes with panel for evidence-aligned pairings.
Added to your stack.