Lithium

Ultra-trace mineral with neuroprotective properties and mood-stabilizing effects, naturally found in water and some foods

Scientific nameLithium (Li) FormulaLi Molecular weight6.94 g/mol CAS7439-93-2

80 absorption score

6 safety / 10

30 USD per month

100 elemental lithium %

6 documented interactions

Check it against something

Evidence level C

Lithium with:

75 out of 100

Works better together Compatible. Timing differs, so follow each supplement's own window.

Check it against your whole stack →

What it does

mechanism and evidence for each claim

Mood stabilization and emotional balance

May help stabilize mood and support emotional well-being

Modulates neurotransmitter systems and cellular signaling pathways Evidence B-grade 4-12 weeks for mood benefits

Neuroprotective and brain health effects

Supports brain health and may protect against neurodegeneration

Promotes neuroplasticity and protects against cellular stress Evidence C-grade 8-24 weeks for neuroprotective effects

Cognitive function and memory support

May enhance cognitive performance and memory formation

Influences neurotransmitter balance and neuronal function Evidence C-grade 6-16 weeks for cognitive benefits

Stress response and anxiety management

May help modulate stress response and reduce anxiety levels

Affects stress hormone systems and neurotransmitter balance Evidence C-grade 4-12 weeks for stress benefits

Sleep quality and circadian rhythm support

May improve sleep quality and support healthy sleep patterns

Influences melatonin production and circadian clock regulation Evidence C-grade 2-8 weeks for sleep benefits

Others take these for the same thing

Same goal, different mechanism — check any of them against this one

Vitamin B12 (Cyanocobalamin) Energy & nerve support 250-1000 mcg A 70% Fish Oil (EPA/DHA) Heart & brain health 1-2g EPA/DHA A 85% L-Theanine Calm focus & stress relief 100-400mg B 90% Vitamin B8 (Inositol) Mental health & PCOS support 2-18g (condition dependent) B 95% SAM-e Mood support & liver health 400-800mg A 70% Lithium Orotate Mood & brain support 1-20mg C 60%

Every pair we checked

12 combinations scored by the engine

Lithium + Caffeine High caffeine may counteract calming effects Needs attention 61

Lithium + Creatine Monohydrate No documented interaction either way No known interaction 70

Lithium + Calcium Carbonate No documented interaction either way No known interaction 70

Lithium + Whey Protein No documented interaction either way No known interaction 70

Lithium + Lactase No documented interaction either way No known interaction 70

Lithium + Bovine Collagen No documented interaction either way No known interaction 70

Lithium + DHA No documented interaction either way No known interaction 70

Lithium + Turmeric No documented interaction either way No known interaction 70

Lithium + Fish Oil (EPA/DHA) No documented interaction either way No known interaction 70

Lithium + Omega-3 + Curcumin + Vitamin D Triple Anti-Inflammatory Formula Enhanced neuroprotective and mood benefits Works better together 75

Lithium + Magnesium Oxide Improved stress response and neurological function Works better together 75

Lithium + Vitamin D3 Enhanced neurological function and mood support Works better together 75

Dosage

With meals

Daily1-5 mg

Supplemental support1-5 mg daily

Mood support1-10 mg daily

Neuroprotection1-5 mg daily

Therapeutic useRequires medical supervision

Before you take it

VeganYes

When to expect it

First Effects2-4 weeks for initial mood and sleep effects

Peak Benefits8-16 weeks for maximum neurological and mood benefits

Deficiency DevelopmentNot well-defined - ultra-trace element

Toxicity OnsetCan occur with excessive doses - narrow therapeutic window

How to measure it

$100-200

MarkerSerum lithium levels, kidney function, thyroid function

Optimal0.1-0.8 mEq/L for supplemental use

Deficient belowNot established for deficiency

FrequencyMonitor regularly if using therapeutic doses

What people actually reported to the FDA

CAERS, 9 reports naming it as the suspect

Most reported effects

Mania 1

Renal failure acute 1

Urinary tract infection bacterial 1

Eye pain 1

Cerebrovascular accident 1

Named as the suspect 9 reports of 13 that mention it at all

Serious outcome 69% hospitalisation, emergency room or worse

Other Serious or Important Medical Event4

Hospitalization4

Visited a Health Care Provider3

Reports are voluntary and unverified — they record what someone experienced while taking something, not what the compound caused. Counts skew towards products people take a lot of, and a serious outcome is more likely to be reported than a mild one, so these are not rates. How we filter them →

What actually reaches you

The label counts the carrier, your body does not

Elemental lithium 100% of 6.94 g/mol

Absorption Very high 80 of 100 · best absorbed form of this compound

Delivered daily 2.4 mg

Cost per 10 mg delivered $4.17 comparative — uses the absorption score, not a measured percentage

A 500 mg capsule of Lithium contains 500 mg of lithium. How much of that crosses into your blood is not measured for this form — the absorption score ranks it against other forms, it is not a share of the dose. How this is calculated →

Works better with

3 documented

Omega 3 Fatty Acids

Enhanced neuroprotective and mood benefits

Both support brain health and neurotransmitter function · level C

Magnesium

Improved stress response and neurological function

Both support nervous system function and stress adaptation · level C

B Complex Vitamins

Enhanced neurological function and mood support

B vitamins support neurotransmitter synthesis and brain function · level C

What not to take with Lithium

3 documented

Excessive Sodium

High sodium may increase lithium excretion

Sodium and lithium compete for reabsorption in kidneys · moderate significance

Caffeine Excess

High caffeine may counteract calming effects

Opposing effects on neurotransmitter systems · minor significance

Alcohol

Alcohol may increase toxicity risk and impair benefits

Both affect brain chemistry and kidney function · moderate significance

Medication interactions

Discuss these with a pharmacist before combining

psychiatric-medications Major

May interact with antidepressants and mood stabilizers

What to do: Requires medical supervision and monitoring

diuretics Major

Diuretics may increase lithium levels and toxicity risk

What to do: Avoid combination or monitor lithium levels closely

nsaids Moderate

NSAIDs may increase lithium levels

What to do: Monitor for signs of lithium toxicity

Available forms

bioavailability compared

Lithium orotate 80

Lithium carbonate 75

Lithium orotate: Better bioavailability, Lower toxicity risk, Organic form, Well-tolerated

Lithium carbonate: Well-researched, Standardized, Pharmaceutical grade, Proven effects

Food sources

before you supplement

Natural mineral water Variable - depends on source (0.01-1.0 mg/L) · 85

Grains and cereals Small amounts - varies by soil content · 70

Vegetables (tomatoes, potatoes) Trace amounts - depends on soil · 75

Lithium supplements 1-50 mg per dose (varies by form) · 75-80

Too little

deficiency signs

Lithium deficiency not well-defined but may include:
Mood instability and emotional dysregulation
Increased stress sensitivity and anxiety
Poor stress recovery and adaptation
Sleep disturbances and circadian rhythm disruption
Reduced cognitive resilience and brain function
Accelerated aging processes and cellular stress

Too much

toxicity signs

Lithium toxicity symptoms (can be serious):
Nausea, vomiting, and gastrointestinal upset
Tremor, muscle weakness, and coordination problems
Confusion, drowsiness, and cognitive impairment
Kidney dysfunction and electrolyte imbalances
Thyroid dysfunction and metabolic effects

Who benefits most

mood-balance-seekers

May support emotional stability and mood regulation

1-5 mg daily (low-dose supplemental)

brain-health-optimization

Potential neuroprotective and cognitive benefits

1-5 mg daily

stress-anxiety-management

May help modulate stress response and reduce anxiety

1-5 mg daily

sleep-quality-improvement

May support healthy sleep patterns and circadian rhythms

1-5 mg daily

healthy-aging-longevity

Potential anti-aging and longevity benefits

1-5 mg daily

Where to buy it

compare forms first

Look for Lithium at 1-5 mg per serving. The form that matters here is Lithium orotate.

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What else affects it

Beyond other supplements

Excessive sodium

High sodium may increase lithium excretion

Sodium and lithium compete for reabsorption in kidneys

Caffeine excess

High caffeine may counteract calming effects

Opposing effects on neurotransmitter systems

Alcohol

Alcohol may increase toxicity risk and impair benefits

Both affect brain chemistry and kidney function

How it works

Modulates neurotransmitter systems including serotonin and dopamine
Affects cellular signaling pathways including GSK-3β and inositol phosphate
Promotes neuroplasticity and brain-derived neurotrophic factor (BDNF)
Protects against oxidative stress and cellular damage
Influences circadian rhythm regulation and melatonin production
Affects ion channel function and membrane stability

Key findings

what the evidence supports

Promising evidence for mood stabilization and neuroprotection
May have anti-aging and longevity benefits
Narrow therapeutic window requires careful dosing
More research needed on optimal supplemental doses

Sources: NIH Examine.com · data reviewed 2026-08-02

Compiled by Denis, who maintains this database and holds no medical qualification — every figure here is sourced or derived, never asserted. How we calculate it →

Common questions

What are the benefits of Lithium?

Documented effects: Mood stabilization and emotional balance; Neuroprotective and brain health effects; Cognitive function and memory support; Stress response and anxiety management. May help stabilize mood and support emotional well-being

How much Lithium should you take per day?

The common daily range is 1-5 mg. By goal — supplemental support: 1-5 mg daily; mood support: 1-10 mg daily; neuroprotection: 1-5 mg daily; therapeutic use: Requires medical supervision.

When is the best time to take Lithium?

With meals. First effects are typically reported within 2-4 weeks for initial mood and sleep effects.

What are the side effects of Lithium?

At excessive doses: Lithium toxicity symptoms (can be serious):, Nausea, vomiting, and gastrointestinal upset, Tremor, muscle weakness, and coordination problems, Confusion, drowsiness, and cognitive impairment, Kidney dysfunction and electrolyte imbalances. Safety rating at normal doses is 6 out of 10.

What should you not take with Lithium?

Separate it from Excessive Sodium, Caffeine Excess, Alcohol by two to four hours. High sodium may increase lithium excretion

Does Lithium interact with medications?

Documented interactions with psychiatric-medications, diuretics, nsaids. Discuss these with a pharmacist before combining.

How do you know if you need Lithium?

The marker is Serum lithium levels, kidney function, thyroid function, optimal range 0.1-0.8 mEq/L for supplemental use. Common deficiency signs: Lithium deficiency not well-defined but may include:, Mood instability and emotional dysregulation, Increased stress sensitivity and anxiety, Poor stress recovery and adaptation.

Taken for

52 Brain & Focus

Caffeine · DHA · Fish Oil (EPA/DHA)