What kind of interaction is it?

Caution: an interaction that may reduce efficacy or raise side-effect risk and warrants monitoring.

Is this interaction backed by published research?

Yes. NutriStack lists 2 citation rows for the Lithium Orotate + Valsartan pair, each linking to PubMed by PMID where available. Full sourcing methodology at https://nutristackapp.com/methodology/interactions.

Interaction databaseSupplement × PrescriptionReviewed May 2026

Lithium Orotate and Valsartan, a caution.

Q: Can I take Lithium Orotate and Valsartan together?

Possibly, but with caution. Lithium Orotate and Valsartan have a documented caution-tier interaction. Valsartan reduces sodium reabsorption through AT1 receptor blockade and lowers glomerular filtration, which causes the kidney to retain lithium. Multiple case reports describe prescription-lithium patients developing toxicity within weeks of starting or increasing valsartan, sometimes at previously safe doses. Lithium Orotate doses are smaller, but the same renal handling applies and the margin to neurotoxicity is narrow.

Q: How does this affect a NutriStack Stack Score?

-5 to your Stack Score per scored caution row.

Valsartan reduces sodium reabsorption through AT1 receptor blockade and lowers glomerular filtration, which causes the kidney to retain lithium. Multiple case reports describe prescription-lithium patients developing toxicity within weeks of starting or increasing valsartan, sometimes at previously safe doses. Lithium Orotate doses are smaller, but the same renal handling applies and the margin to neurotoxicity is narrow.

2 primary source citations. Moderate evidence. Last verified May 30, 2026.

Open the interaction checker →Read the methodology

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.

Sourcing standards·Evidence tiers

From the interaction database

What the row says.

Every entry follows the same shape: what is happening, the mechanism, the recommendation, and the primary literature.

At a glance

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

Caution · Moderate evidence

Caution

What is happening. Valsartan reduces sodium reabsorption through AT1 receptor blockade and lowers glomerular filtration, which causes the kidney to retain lithium. Multiple case reports describe prescription-lithium patients developing toxicity within weeks of starting or increasing valsartan, sometimes at previously safe doses. Lithium Orotate doses are smaller, but the same renal handling applies and the margin to neurotoxicity is narrow.

Mechanism. AT1 receptor blockade causes natriuresis and reduces GFR. Lithium is reabsorbed in the proximal tubule in parallel with sodium, so increased sodium loss and reduced filtration both raise fractional lithium reabsorption.

Recommendation. Avoid Lithium Orotate while taking valsartan. If you must combine them, keep the dose low, stay well hydrated, and ask your prescriber to check a serum lithium level after 1-2 weeks. Hold the supplement during any vomiting, diarrhea, or fever.

Sources (2)

Stack Score

How this pair moves the number.

Effect on the composite score

If both Lithium Orotate and Valsartan 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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