Interaction databaseSupplement × SupplementReviewed May 2026

Inositol and Lithium Orotate, a caution.

Inositol counteracts part of lithium's proposed mechanism by replenishing the inositol pool that lithium depletes, which may blunt lithium's mood-stabilizing effect when the two are used together.

One pair, every claim cited. The two substances, the type, the mechanism, the recommendation, and the primary literature.
Same shape as the other 1,729 pairs in the public database.

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At a glance

Substances
Inositol and Lithium Orotate
Pair type
Caution
Evidence (highest tier)
Emerging
Source citations
2 sources
Stack Score effect
−5 to your Stack Score (per scored caution row).
Scope
Supplement × Supplement
Last verified
May 30, 2026

Caution · Emerging evidence

Caution

What is happening. Inositol counteracts part of lithium's proposed mechanism by replenishing the inositol pool that lithium depletes, which may blunt lithium's mood-stabilizing effect when the two are used together.

Mechanism. Lithium inhibits inositol monophosphatase and lowers intracellular inositol (the inositol-depletion hypothesis); supplemental inositol can replenish this pool and may pharmacodynamically oppose lithium's effect.

Recommendation. Be cautious combining the two if lithium is being used for mood stabilization. Discuss with a clinician, since high-dose inositol may oppose lithium's intended action.

Sources (2)
  1. Berridge MJ, Downes CP, Hanley MR. Neural and developmental actions of lithium: a unifying hypothesis. Cell. 1989. PMID 2553271
  2. Harwood AJ. Lithium and bipolar mood disorder: the inositol-depletion hypothesis revisited. Mol Psychiatry. 2005. PMID 15558078

Stack Score

How this pair moves the number.

Effect on the composite score

If both Inositol and Lithium Orotate are in the same stack, this pair applies −5 to your Stack Score (per scored caution row).

The full algorithm, the clamping rules, and four worked stacks are documented at /methodology/stack-score.

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