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.
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.
- 01L-TheanineModerate86% 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 - 02Magnesium GlycinateLimited72% 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 - 03TaurineLimited64% 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 - 04GlycineLimited60% 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 - 05InositolLimited55% 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.