Extract & Compound · Other
Alpha-Lipoic Acid (R-ALA)
Strong Evidencecompound3 PubMed Studies
Hermetica Superfood Encyclopedia
Alpha-lipoic acid is a unique antioxidant compound that functions in both water and fat-soluble environments throughout the body. R-ALA, the naturally occurring form, enhances insulin sensitivity and protects against oxidative damage through its ability to regenerate other antioxidants like vitamin C and glutathione.
Alpha-Lipoic Acid (R-ALA) is a naturally occurring compound found in every cell of the body, and it is also present in foods like spinach, broccoli, and potatoes. It is produced both endogenously and can be synthesized for supplements.
Numerous RCTs and meta-analyses support its role in improving insulin sensitivity and reducing oxidative stress. Studies also highlight its potential in managing diabetic neuropathy.
Common dosages range from 300 to 600 mg per day. Consult a healthcare provider before use.
- Contains both R- and S-enantiomers, with R-ALA being the biologically active form. - Functions as a cofactor in mitochondrial energy production. - Water and fat-soluble, providing versatile antioxidant action.
Alpha-lipoic acid activates AMP-activated protein kinase (AMPK) pathways, enhancing glucose uptake and fatty acid oxidation. The compound chelates metal ions like iron and copper, preventing their participation in harmful Fenton reactions that generate hydroxyl radicals. R-ALA also regenerates endogenous antioxidants including vitamin E, vitamin C, and glutathione by donating electrons.
Multiple randomized controlled trials with 20-74 participants have demonstrated R-ALA's ability to improve insulin sensitivity by 25-50% at doses of 300-600mg daily. A meta-analysis of 12 studies showed significant reductions in neuropathic pain scores among diabetic patients taking 600mg daily for 3-5 weeks. However, most studies are short-term with small sample sizes, and larger long-term trials are needed to establish definitive therapeutic benefits. Evidence is strongest for glucose metabolism and neuropathy, with emerging research on cardiovascular protection.
Alpha-lipoic acid is generally well-tolerated at doses up to 600mg daily, with mild gastrointestinal upset being the most common side effect. The supplement may enhance the blood sugar-lowering effects of diabetes medications like metformin and insulin, requiring blood glucose monitoring. R-ALA can chelate minerals, so it should be taken away from thyroid medications and mineral supplements. Pregnancy and breastfeeding safety data is limited, so use should be avoided during these periods.
9 documented interactions for Alpha-Lipoic Acid (R-ALA). Click any row to read the full explanation. Always consult your healthcare provider before combining supplements with medications.
Alpha-lipoic acid and dapagliflozin both lower blood sugar through different pathways.
What to do: Monitor blood sugar. Stay hydrated.
Timing: Take Dapagliflozin with meals as prescribed. Alpha-Lipoic Acid can be taken at a separate meal. Alpha-lipoic acid, berberine, and chromium can lower blood sugar — monitor more frequently when combining with diabetes medication. Start new supplements at low doses to gauge effect on glucose.
Full interaction details →Alpha-lipoic acid and sitagliptin both lower blood sugar.
What to do: Monitor blood sugar when combining.
Timing: Take Sitagliptin with meals as prescribed. Alpha-Lipoic Acid can be taken at a separate meal. Alpha-lipoic acid, berberine, and chromium can lower blood sugar — monitor more frequently when combining with diabetes medication. Start new supplements at low doses to gauge effect on glucose.
Full interaction details →Both alpha-lipoic acid and pioglitazone make your body more sensitive to insulin, which together could drop blood sugar too low.
What to do: Monitor blood sugar closely. This combination has strong additive effects on insulin sensitivity.
Timing: Take Pioglitazone with meals as prescribed. Alpha-Lipoic Acid can be taken at a separate meal. Alpha-lipoic acid, berberine, and chromium can lower blood sugar — monitor more frequently when combining with diabetes medication. Start new supplements at low doses to gauge effect on glucose.
Full interaction details →Alpha-lipoic acid and linagliptin both lower blood sugar.
What to do: Monitor blood sugar when combining.
Timing: Take Linagliptin with meals as prescribed. Alpha-Lipoic Acid can be taken at a separate meal. Alpha-lipoic acid, berberine, and chromium can lower blood sugar — monitor more frequently when combining with diabetes medication. Start new supplements at low doses to gauge effect on glucose.
Full interaction details →Alpha-lipoic acid and glipizide both lower blood sugar, increasing risk of blood sugar dropping too low.
What to do: Monitor blood sugar frequently. Adding ALA may require glipizide dose adjustment.
Timing: Take Glipizide with meals as prescribed. Alpha-Lipoic Acid can be taken at a separate meal. Alpha-lipoic acid, berberine, and chromium can lower blood sugar — monitor more frequently when combining with diabetes medication. Start new supplements at low doses to gauge effect on glucose.
Full interaction details →Alpha-lipoic acid makes insulin work better, so your current dose may become too strong.
What to do: Monitor blood sugar closely. May need to reduce insulin doses.
Timing: Take Insulin (all forms) with meals as prescribed. Alpha-Lipoic Acid can be taken at a separate meal. Alpha-lipoic acid, berberine, and chromium can lower blood sugar — monitor more frequently when combining with diabetes medication. Start new supplements at low doses to gauge effect on glucose.
Full interaction details →Alpha-lipoic acid and empagliflozin both lower blood sugar, which could cause it to drop too low.
What to do: Monitor blood sugar when adding ALA. Stay well-hydrated.
Timing: Take Empagliflozin with meals as prescribed. Alpha-Lipoic Acid can be taken at a separate meal. Alpha-lipoic acid, berberine, and chromium can lower blood sugar — monitor more frequently when combining with diabetes medication. Start new supplements at low doses to gauge effect on glucose.
Full interaction details →Alpha-lipoic acid and semaglutide both lower blood sugar, which could cause it to drop too low.
What to do: Monitor blood sugar when combining. Start ALA at low doses.
Timing: Take Semaglutide with meals as prescribed. Alpha-Lipoic Acid can be taken at a separate meal. Alpha-lipoic acid, berberine, and chromium can lower blood sugar — monitor more frequently when combining with diabetes medication. Start new supplements at low doses to gauge effect on glucose.
Full interaction details →Alpha-lipoic acid and metformin both lower blood sugar. Together, your blood sugar could drop too low.
What to do: Monitor blood sugar more frequently when starting ALA. You may need a metformin dose reduction. Start ALA at low doses. Always carry glucose tablets.
Timing: Take Metformin with meals as prescribed. Alpha-Lipoic Acid can be taken at a separate meal. Alpha-lipoic acid, berberine, and chromium can lower blood sugar — monitor more frequently when combining with diabetes medication. Start new supplements at low doses to gauge effect on glucose.
Full interaction details →Educational information only. Always consult a qualified healthcare provider before changing your supplement or medication regimen.
