Alpha-Lipoic Acid (ALA)
Studied for diabetic neuropathy symptoms; 600 mg/day is common.
By Suplagen Team · Updated
What it is
ALA has moderate evidence for symptom improvement in diabetic peripheral neuropathy; glucose-lowering interactions are relevant.
How it works
Redox-active antioxidant; may reduce oxidative stress involved in neuropathic symptoms.
What the evidence says
Moderate evidence for diabetic neuropathy symptom relief; monitor glucose and medication interactions.
How much to take
The catalog range is 300 to 600 mg daily, with about 600 mg as the dose most trials used and an 1,800 mg ceiling. The evidence is moderate for diabetic neuropathy symptoms specifically, so that's the use the numbers were built around.
Start at 300 mg and move to 600 mg if tolerated. Reassess after 8 to 12 weeks if you're taking it for symptoms; if nothing changed, it didn't earn its slot.
When and how to take it
Morning, on an empty stomach if your gut tolerates it, with food if it doesn't. There's no case for taking it before bed.
Because it lowers glucose, anyone using it alongside diabetes medication needs a glucose meter nearby and a doctor in the loop.
Who should skip it
Alpha-lipoic acid is off-limits in pregnancy. It carries a moderate interaction with antidiabetes medications and a caution for anyone prone to hypoglycemia, because it pushes blood sugar down on its own. For medicated diabetics: supervised or not at all.
Safety Notes
- Many reviews highlight ~600 mg/day as a common oral dosing in trials, with higher doses used in some studies.
- Not recommended during pregnancy or while breastfeeding.
- Use caution with: hypoglycemia-prone states (caution).
- antidiabetes medications: Potential additive glucose lowering; monitor for hypoglycemia.
Common questions
How much alpha-lipoic acid should you take a day?
300 to 600 mg. Most trials used about 600 mg daily. The catalog ceiling is 1,800 mg, but there's no reason to approach it without clinical guidance.
Should I take alpha-lipoic acid before bed?
No. Morning is the catalog's slot, ideally on an empty stomach. Nothing about ALA favors nighttime dosing.
Does alpha-lipoic acid lower blood sugar?
Yes, which is the reason for its main interaction: it adds to diabetes medication and can push glucose too low. If you're medicated, don't add it without monitoring.