Overview
Universal antioxidant that's both water and fat soluble — supports glycemic control and nerve health.
- Endogenously produced or biosynthesized molecule
- Standardized pharmaceutical- or food-grade supplement
- Combined with cofactors that improve absorption or activity
- Capsule or softgel
- Powder
- Sublingual or buccal
- Liposomal liquid
Mechanism of action
Recycles vit C, E, glutathione; cofactor for pyruvate dehydrogenase; AMPK activator.
- · Recycles vit C, E, glutathione
- · cofactor for pyruvate dehydrogenase
- · AMPK activator
Effects on the body
Organ system effects
Alpha-Lipoic Acid (ALA) acts on hallmarks of aging including oxidative stress, mitochondrial dysfunction, and senescence signaling.
Evidence-based benefits
Reduces diabetic neuropathy symptoms (IV>oral)
Moderate evidenceImproves insulin sensitivity
Moderate evidencePotential side effects
- · Skin itch
- · Mild hypoglycemia
- · Insulin autoimmune syndrome (rare, Japan)
Drug interactions
Safety & non-supplemental interactions
Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.
- ·Discuss with a clinician if you have active liver disease or take hepatotoxic medications.
Supplement interactions
- NAD+ precursor (NMN or NR)Complementary mitochondrial and sirtuin support.
- Omega-3Lowers inflammation and supports membrane integrity.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
Affiliate links — we may earn a commission at no extra cost to you. Amazon code supplementsch-20 is auto-applied at checkout. We don't endorse specific brands; verify third-party testing (USP, NSF, Informed Sport) before purchase.
Third-party testedIndependently verified Alpha-Lipoic Acid (ALA) — look for USP, NSF, or Informed Sport seals on the label for purity and dose accuracy.Alpha-Lipoic Acid (ALA) third party tested NSF
CapsulesPre-measured Alpha-Lipoic Acid (ALA) capsules — easiest for travel and consistent daily dosing without scoops or scales.Alpha-Lipoic Acid (ALA) capsules
PowderBulk unflavored Alpha-Lipoic Acid (ALA) powder — best cost-per-gram and flexible dosing for stacking or mixing into drinks.Alpha-Lipoic Acid (ALA) powder unflavored
Best sellersMost-purchased Alpha-Lipoic Acid (ALA) products on Amazon — a quick way to see what's reviewed widely before you commit.Alpha-Lipoic Acid (ALA) best sellerScientific evidence9Show studiesHide studies
ALA for diabetic peripheral neuropathy (SYDNEY 2)
Ziegler D, et al.
5-week RCT of oral ALA in diabetic neuropathy.
Significant symptom improvement at 600 mg/d.
PubMed: Alpha-Lipoic Acid (ALA) — Reduces diabetic neuropathy symptoms
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PubMed: Alpha-Lipoic Acid (ALA) — Improves insulin sensitivity
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