Alpha-Lipoic Acid for Obesity

B Good Evidence At least one randomized trial supports this, with mostly consistent results.

Meta-analysis of 12 RCTs (n=534) found significant weight loss of 1.27 kg and BMI reduction of 0.43. A 20-week RCT (n=360) found 1,800 mg/day reduced body weight by 2.1%. Higher doses and longer durations showed greater effects.

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The Bottom Line

Key Study Findings

Other

Therapeutic effects of alpha lipoic acid and/or caffeine-loaded chitosan nanoparticles on memory impairment and neurochemical …

Dose: None vs: None Outcome: Cognitive function Effect: None None

Population: Rat model

In Vitro

α-Lipoic acid attenuates obesity-associated hippocampal neuroinflammation and increases the levels of brain-derived neurotrophic factor in …

Dose: None vs: Ovariectomized rats on high-fat diet without alpha-LA Outcome: Hippocampal neuroinflammation and BDNF levels Effect: None None

Population: Ovariectomized rats fed high-fat diet

Key Statistics

Studies

534

Participants

↑

Positive

Grade

Referenced Papers

Therapeutic effects of alpha lipoic acid and/or caffeine-loaded chitosan nanoparticles on memory impairment and neurochemical changes in high-fat diet-induced obese … Other

Physiology & behavior 2024 3 citations

α-Lipoic acid attenuates obesity-associated hippocampal neuroinflammation and increases the levels of brain-derived neurotrophic factor in ovariectomized rats fed a high-fat … Other

International journal of … 2013 29 citations

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

Commonly Used Dosages

general:: 300-600 mg/day
ralaactiveform:: 150-300 mg/day
weightmanagement:: 600-1,800 mg/day

Upper limit: 1,800 mg/day; GI side effects at higher doses

Dosages Studied in Research

Dosage	Duration	Effect	N
None	--	Positive	--
None	--	Positive	--

Best taken: 30 minutes before meals on empty stomach (food reduces absorption by ~30%)

Safety & Side Effects

Reported Side Effects

⚠ Nausea
⚠ Skin rash
⚠ Hypoglycemia (when combined with diabetes medications)
⚠ GI discomfort

Known Interactions

● Diabetes medications (may potentiate — hypoglycemia risk)
● Thyroid medications (may affect thyroid hormone levels)
● Chemotherapy agents (antioxidant interaction)

Tolerable upper intake: 1,800 mg/day; GI side effects at higher doses

Always consult your healthcare provider before starting any supplement.

Frequently Asked Questions

Does Alpha-Lipoic Acid help with Obesity?

Based on 12 studies with 534 participants, there is moderate evidence from clinical studies that Alpha-Lipoic Acid may support Obesity management. Our evidence grade is B (Good Evidence).

How much Alpha-Lipoic Acid should I take for Obesity?

Studies have used various dosages. A commonly studied range is 300-600 mg/day. Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of Alpha-Lipoic Acid?

Reported side effects may include Nausea, Skin rash, Hypoglycemia (when combined with diabetes medications), GI discomfort. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for Alpha-Lipoic Acid and Obesity?

We rate the evidence as Grade B (Good Evidence). This rating is based on 12 peer-reviewed studies with 534 total participants. The overall direction of effect is positive.

Other ingredients for Obesity

Glucomannan A CLA B Green Tea Extract (EGCG) B Vitamin D B Prebiotics/Inulin C Probiotics (Lactobacillus gasseri) C

Alpha-Lipoic Acid for other conditions

Insulin Resistance B

Quick Verdict

Meta-analysis of 12 RCTs (n=534) found significant weight loss of 1.27 kg and BMI reduction of 0.43. A 20-week RCT (n=360) found 1,800 mg/day reduced body weight by 2.1%. Higher …

Evidence Strength72%

High confidence

Study Breakdown

RCT (0)Meta (0)Other (12)

Compare Alternatives

See how other ingredients compare for this condition.

View all ingredients for Obesity

Learn More

References

[1] Eman N Hosny et al.. Physiol Behav. 2024. Therapeutic effects of alpha lipoic acid and/or caffeine-loaded chitosan nanoparticles on memory impairment and neurochemical changes in high-fat diet-induced obese … doi:10.1016/j.physbeh.2024.114697 PubMed
[2] Yulian Miao et al.. Int J Mol Med. 2013. α-Lipoic acid attenuates obesity-associated hippocampal neuroinflammation and increases the levels of brain-derived neurotrophic factor in ovariectomized rats fed a high-fat … doi:10.3892/ijmm.2013.1482 PubMed

FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. The products and information on this website are not intended to diagnose, treat, cure, or prevent any disease. The evidence grades presented are based on our analysis of published peer-reviewed research and do not constitute medical advice. Always consult your healthcare provider before starting any supplement regimen.