Symptom·Neurologic·Reviewed May 30, 2026

Supplements for Caffeine sensitivity / jitters.

When caffeine sensitivity / jitters 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
    L-TheanineModerate
    86% match

    L-Theanine promotes alpha brain wave activity and may blunt the jittery, anxious edge of caffeine while preserving alertness.

    SuggestedL-Theanine capsule, 100 to 200 mg taken with or shortly after caffeine
  2. 02
    72% match

    Magnesium supports nervous system calm and counters muscle tension, and caffeine can increase magnesium loss through urine.

    SuggestedMagnesium glycinate capsule providing 200 to 300 mg elemental magnesium daily
  3. 03
    TaurineLimited
    64% match

    Taurine has inhibitory, calming effects on the nervous system and may help offset overstimulation from caffeine.

    SuggestedTaurine capsule or powder, 500 to 1000 mg as needed
  4. 04
    GlycineLimited
    60% match

    Glycine is an inhibitory neurotransmitter that may promote calm and improve sleep quality affected by late caffeine intake.

    SuggestedGlycine powder, 3 g dissolved in water in the evening
  5. 05
    InositolLimited
    55% match

    Inositol participates in neurotransmitter signaling and may have mild anxiety-reducing effects that could ease caffeine-related nervousness.

    SuggestedInositol powder, 1 to 2 g daily

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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.