TimingAlpha-Lipoic Acid

Best in the morning

When to take Alpha-Lipoic Acid

Empty stomach, 30 minutes before a meal

Alpha-lipoic acid is an antioxidant that works in both water and fat, and it helps cells use glucose. Food cuts its absorption noticeably, so it works best before a meal.

Updated 2026-10-25

Best time in your day

  1. Wake
  2. Workout
  3. Breakfast
  4. Lunch
  5. Evening
  6. Workout
  7. Dinner
  8. Walk
  9. Bed
When
30 minutes before breakfast or lunch
Food
Empty stomach
Typical dose
300–600 mg per day; up to 1,200 mg under medical guidance

How to take it

  1. 1Take it with water about 30 minutes before eating
  2. 2Split doses above 600 mg across two meals
  3. 3Choose R-ALA if you want a lower dose of the active form
  4. 4Watch for low blood sugar signs in the first weeks

Watch out

If you take insulin or diabetes tablets, monitor your blood sugar closely and tell your doctor, because ALA can push levels lower.

Keep apart from

  • Diabetes medication (added glucose lowering)
  • Thyroid medication
  • Minerals like iron and magnesium (space by 2 hours)

Common questions

What is the difference between R-ALA and regular ALA?

Regular ALA is a 50:50 mix of R and S forms. R-ALA is the natural form, so a smaller dose goes further.

Can it cause a rash or itching?

Rarely. Stop and talk to a doctor if you notice skin reactions.

Is it useful for nerve tingling?

It has been studied for diabetic nerve pain at around 600 mg per day, with modest benefit.

Explore further

Sources

  1. NIH Office of Dietary Supplements: Dietary supplements for primary mitochondrial disorders fact sheet for health professionals

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For general education only, not medical advice. Talk to a qualified doctor before starting or changing supplements, especially if you are pregnant, nursing or on medication.