Skip to main content
Skip to content
โ† Encyclopedia

Alpha-Lipoic Acid (ALA)

Antioxidant

Also known as: ALA, Lipoic acid, Thioctic acid, Alpha-Lipoic Acid, ALA (detox)

A
Grade A
๐Ÿ’Š 300-600 mg daily (150-300 R-ALA)๐ŸŽฏ 8 primary uses๐Ÿ”— 3 synergiesโš ๏ธ Review warnings
Compare Check interactions
Levels upVitality+50 pts

Overview

Universal antioxidant working in both water and fat. Regenerates other antioxidants and supports blood sugar metabolism.

Primary Uses
AntioxidantBlood sugar supportNeuropathyHeavy metal chelationDetoxificationBlood sugarNerve healthInsulin sensitivity

Frequently Asked About Alpha-Lipoic Acid (ALA)

How much Alpha-Lipoic Acid (ALA) should I take?
The typical effective range is 600 mg R-ALA preferred. Individual needs vary based on age, body weight, diet, and goals โ€” start at the lower end and adjust based on response. Always consult a healthcare provider before starting a new supplement.
When is the best time to take Alpha-Lipoic Acid (ALA)?
Empty stomach for blood sugar; any for antioxidant. Consistency matters more than perfect timing โ€” pick a daily anchor (e.g. with breakfast or before bed) and stick with it.
Should I take Alpha-Lipoic Acid (ALA) with food?
Empty stomach better absorbed.
Does Alpha-Lipoic Acid (ALA) interact with medications?
Yes โ€” known interactions include Diabetes meds - enhance effect. If you take any prescription medication, talk to your doctor or pharmacist before starting Alpha-Lipoic Acid (ALA).
What does Alpha-Lipoic Acid (ALA) pair well with?
Alpha-Lipoic Acid (ALA) stacks well with Benfotiamine, Acetyl-L-carnitine, and B vitamins โ€” these combinations either improve absorption or work synergistically toward common goals.
Who should not take Alpha-Lipoic Acid (ALA)?
Alpha-Lipoic Acid (ALA) should be avoided or used with caution by people with Thiamine deficiency (deplete). Pregnant or breastfeeding women should consult a healthcare provider before use.
What are the side effects of Alpha-Lipoic Acid (ALA)?
Most people tolerate Alpha-Lipoic Acid (ALA) well. The most commonly reported side effects are Hypoglycemia, Skin rash, and GI upset. Side effects are usually dose-dependent โ€” lowering the dose often resolves them.

Dosage

Typical range
300-600 mg daily (150-300 R-ALA)
Timing
Empty stomach for blood sugar; any for antioxidant
With food
Empty stomach better absorbed
Dose Tiers
Moderate
300-600 mg
Optimal
600 mg R-ALA preferred
Therapeutic
600-1,800 mg
Upper Limit
No established UL
Duration

Safe long-term

Special Populations

Diabetics, neuropathy

Research & Studies

Landmark clinical studies on Alpha-Lipoic Acid (ALA). Each title links to a plain-English breakdown โ€” what the study shows, what its limitations are, and how to read around them.

Browse all curated studies โ†’

Mechanism of Action

  • โ€ข Works in water and fat compartments
  • โ€ข Regenerates vitamins C and E
  • โ€ข Enhances insulin sensitivity
  • โ€ข Chelates heavy metals

Evidence Quality

Evidence Grade A

Well-studied for neuropathy and blood sugar

Safety & Contraindications

Serious Warnings
  • โ€ข Can lower blood sugar significantly
Contraindications
  • โ€ข Thiamine deficiency (deplete)
Common Side Effects
  • โ€ข Hypoglycemia
  • โ€ข Skin rash
  • โ€ข GI upset
Pregnancy & Breastfeeding

Limited data

Liver & Kidney Notes

Safe

Interactions

๐Ÿ’Š Medications
  • โ€ข Diabetes meds - enhance effect
๐Ÿงช Supplements
  • โ€ข Works with benfotiamine
๐Ÿฝ๏ธ Food & Alcohol
  • โ€ข No interactions

Stacking & Synergies

Avoid Combining With
Multiple glucose-lowering agents
Best Goal Synergies
Blood sugarNeuropathy

Buying Guide

What to Look For
  • โ€ข R-form more potent
  • โ€ข Stabilized form
Standardization Markers
R-ALA vs racemicmg content
Adulteration risk
Low
Practical Notes
  • โ€ข R-form is natural and more potent
  • โ€ข Monitor blood sugar
  • โ€ข R-form more bioactive
  • โ€ข Empty stomach for absorption
  • โ€ข R-form more effective
Tags
antioxidantblood sugarneuropathyuniversalsulfurdetoxmetabolic

Top Products with Alpha-Lipoic Acid (ALA)

Highest-scored catalog products containing Alpha-Lipoic Acid (ALA), ranked by our scoring engine.

Browse all Alpha-Lipoic Acid (ALA) products โ†’

Related Guides

In-depth guides covering Alpha-Lipoic Acid (ALA) โ€” protocols, comparisons, and use cases.

More in Antioxidant

Other ingredients in the Antioxidant category.

Astaxanthin
Astaxanthin is a carotenoid with potent antioxidant and anti-inflammatory properties, naturally present in krill and microalgae. It crosses the bloodโ€“brain barrier and may support eye, skin, and cellular health.
B
Broccoli
Broccoli powder is a whole-food derived ingredient rich in sulforaphane, glucosinolates, and polyphenols that support antioxidant and detoxification pathways. Evidence supports potential benefits for cellular health and inflammatory response, though most human research uses fresh broccoli or concentrated extracts rather than powder forms.
A
C60 (Carbon 60 Fullerene)
Spherical carbon molecule with potent antioxidant properties in olive oil. Controversial with limited human data despite promising rodent longevity studies.
D
Citrus Bioflavonoids
Plant compounds from citrus fruits that enhance vitamin C absorption and provide antioxidant, anti-inflammatory, and vascular support benefits.
B
CoQ10 (Ubiquinone/Ubiquinol)
Ubiquinol is the reduced, active form of CoQ10 that plays a critical role in cellular energy production via the mitochondrial electron transport chain and serves as a lipid-soluble antioxidant. It is more bioavailable than standard ubiquinone (oxidized CoQ10), particularly in aging populations.
A
Ergothioneine
Longevity amino acid with unique cellular uptake via dedicated transporter. Potent antioxidant concentrated in mitochondria, potential longevity compound.
B
Browse all Antioxidant ingredients โ†’
Last reviewed: June 2026 by the Formulate Research Team. Sources cited above; methodology and scoring criteria published here.
Cite this page
Formulate Research Team. (2026, June). Alpha-Lipoic Acid (ALA) โ€” Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/alpha-lipoic-acid

Educational content based on published research and our scoring methodology. Not medical advice โ€” consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.