EverspanAlpha-Lipoic Acid
A potent antioxidant supplement that research indicates may improve insulin sensitivity and reduce oxidative stress.
Human Trials
45
3,200 participants
Risk Level
Monthly Cost
R-ALA form typically costs more than racemic mixture
Quick Facts
- Category
- Supplement
- Research Field
- Supplements
- Evidence Grade
- B – Moderate
- Risk Level
- Low
- Monthly Cost
- $15 – $40
- Human Trials
- 45
Typical Dose
300–600 mg/day
Range
100–1200 mg/day
For informational purposes only – not medical advice. See disclaimer
Research Velocity
Mechanism of Action
Alpha-lipoic acid functions as a cofactor in mitochondrial energy metabolism and acts as both a water- and fat-soluble antioxidant. Research indicates it can regenerate other antioxidants like vitamin C, vitamin E, and glutathione while directly scavenging reactive oxygen species. Studies suggest it may improve insulin sensitivity by enhancing glucose uptake in muscle cells and protecting against oxidative damage in diabetic complications.
Overview
Alpha-lipoic acid (ALA) is a naturally occurring compound that serves as a cofactor in cellular energy production and acts as a powerful antioxidant. Research indicates it has unique properties among antioxidants, being both water- and fat-soluble, allowing it to work throughout the body. Studies suggest ALA can regenerate other important antioxidants like vitamins C and E, glutathione, and coenzyme Q10, potentially amplifying overall antioxidant capacity.
Clinical trials have primarily focused on ALA's effects in diabetes management, where research indicates it may improve insulin sensitivity, reduce blood glucose levels, and help manage diabetic complications like neuropathy. Multiple studies suggest doses of 300-600mg daily may provide metabolic benefits, though the R-form of ALA appears more bioavailable than the commonly available racemic mixture. Some research also indicates potential benefits for weight management, cognitive function, and skin health.
While generally well-tolerated, alpha-lipoic acid can cause mild gastrointestinal upset in some individuals and may lower blood sugar levels, requiring monitoring in diabetic patients. Research suggests taking ALA on an empty stomach may improve absorption, though this can increase the likelihood of stomach irritation. The supplement has a strong safety profile with decades of use, though individuals on diabetes medications should consult healthcare providers due to potential additive glucose-lowering effects.
Known Interactions
- May enhance insulin effects and lower blood glucose
- Can chelate metals and potentially reduce absorption of iron, zinc, and other minerals
- May interact with thyroid medications by affecting hormone levels
- Could potentiate effects of chemotherapy drugs through antioxidant mechanisms
Legal Status by Country
Your country (United States)
Available without prescription in:
Australia, Brazil, Canada, China, Colombia, India, Israel, Japan, Mexico, Netherlands, Panama, Russia, South Korea, Switzerland, Thailand, Turkey, UAE, United Kingdom, United States
📍 = your selected country · ✈️ = medical tourism destination · Always verify current local regulations before travel.
Key Research
- 2006
Major RCT on neuropathy outcomes
- 2012
Systematic review of diabetes applications
- 2011
Comprehensive review of antioxidant mechanisms
- 2009
Detailed mechanistic review
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Last verified: 2026-03-16