Symptom·Mood·Reviewed May 30, 2026

Supplements for Irritability.

When irritability is the complaint, these are the supplements most often associated with it in the NutriStack library, ranked by how directly each one targets it and by the strength of the evidence.

Supplements

Ranked by relevance, top first.

Relevance reflects how directly each supplement targets this symptom in the NutriStack map. Evidence is the supplement’s own rating. Open any name for the full profile.

  1. 01
    82% match

    Magnesium modulates NMDA receptor activity and the stress axis, and low status is linked to heightened irritability and anxiety.

    SuggestedMagnesium glycinate
  2. 02
    L-TheanineModerate
    76% match

    L-theanine increases alpha brain wave activity and may raise GABA, promoting a sense of calm without sedation.

    SuggestedL-theanine
  3. 03
    AshwagandhaModerate
    72% match

    Ashwagandha is an adaptogen that may lower cortisol and perceived stress, which can reduce stress-driven irritability.

    SuggestedStandardized ashwagandha root extract (for example KSM-66)
  4. 04
    Vitamin B6Limited
    66% match

    Vitamin B6 (as P5P) is a cofactor for synthesis of serotonin, GABA, and dopamine, neurotransmitters involved in mood regulation.

    SuggestedPyridoxal-5-phosphate (P5P)
  5. 05
    InositolLimited
    62% match

    Inositol is a second-messenger precursor in serotonergic signaling, with some evidence for reducing anxiety and mood symptoms.

    SuggestedMyo-inositol (powder)
  6. 06
    Fish OilLimited
    58% match

    Omega-3 fatty acids have anti-inflammatory and membrane effects that may modestly reduce irritability and aggression.

    SuggestedHigh-EPA fish oil

Build your stack

Every match traces to a full profile.

These rankings come from the same library that powers the NutriStack app. Open any supplement for full dosing, forms, interactions, and citations.

NutriStack is an informational and organizational tool, not a medical service, and not a substitute for professional advice. Always consult a qualified healthcare professional before starting, stopping, or changing any supplement or medication.