Supplements for muscle twitches and eyelid spasms

Written to our editorial standards · reviewed against published research· Updated 2 Jun 2026
Muscle & joints

Small, repetitive muscle twitches are most commonly linked to low magnesium, along with stress, caffeine, and poor sleep.

Magnesium stabilises nerve and muscle excitability, so a shortfall can cause the harmless flickering twitches many people get in the eyelid or calf. Excess caffeine, stress, and tiredness amplify them, and they usually settle once magnesium and rest improve.

Nutrients commonly linked

Magnesium Glycinate
See the guide →

Biomarkers worth checking

These are the blood tests most relevant here. Knowing your numbers tells you whether a supplement is the right answer.

Magnesium (serum)
When to see a doctor

Twitching that spreads, comes with weakness or muscle wasting, or persists for weeks should be assessed by a doctor.

Beyond supplements

Cut back caffeine, improve sleep, and trial magnesium glycinate; most benign twitches resolve.

Common questions

What supplements help with muscle twitches and eyelid spasms?
Small, repetitive muscle twitches are most commonly linked to low magnesium, along with stress, caffeine, and poor sleep. The nutrients most often linked are Magnesium Glycinate.
Which deficiencies are associated with muscle twitches and eyelid spasms?
Magnesium stabilises nerve and muscle excitability, so a shortfall can cause the harmless flickering twitches many people get in the eyelid or calf. Excess caffeine, stress, and tiredness amplify them, and they usually settle once magnesium and rest improve.
When should I see a doctor about muscle twitches and eyelid spasms?
Twitching that spreads, comes with weakness or muscle wasting, or persists for weeks should be assessed by a doctor.

Explore further

Find out what's actually low

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Educational use only, not medical advice, diagnosis, or treatment. Symptoms have many possible causes, and the nutrients here are commonly associated with this symptom, not a guaranteed fix. Always consult a qualified clinician, especially if symptoms are severe, persistent, or new.