Longevity
Alpha-Lipoic Acid — timing, dose & interactions
Mitochondrial cofactor and antioxidant. Studied (mainly at 600 mg IV/oral) for diabetic neuropathy; may lower blood sugar.
Also known as ALA, R-lipoic acid, Thioctic acid
Timing
When to take it
Best absorbed on an empty stomach — food lowers blood levels.
Interactions
Alpha-Lipoic Acid with other supplements
Safety
Medications & health conditions
Alpha-lipoic acid may lower blood sugar. Monitor glucose when combining with insulin or sulfonylureas.
Antioxidants may interfere with cancer treatment. Some chemotherapy and radiation work partly through oxidative damage; high-dose antioxidants could reduce their effect. Discuss every supplement with your oncology team.
Buying guide
What to look for on the label
Alpha-Lipoic Acid
- R-lipoic acid (stabilized) or racemic ALA
FAQ
Common questions
When is the best time to take Alpha-Lipoic Acid?
On waking. Best absorbed on an empty stomach — food lowers blood levels.
Should Alpha-Lipoic Acid be taken with food?
Alpha-Lipoic Acid is best absorbed on an empty stomach. Best absorbed on an empty stomach — food lowers blood levels.
Can you take Alpha-Lipoic Acid with Biotin?
Yes — but long-term high-dose ALA may slightly lower biotin. No action needed at normal doses. Consider a B-complex if you take high-dose ALA long term.
Can you take Alpha-Lipoic Acid with Acetyl-L-Carnitine?
Yes — they are commonly combined, though the evidence is from rats. Both are best absorbed on an empty stomach in the morning.
Sources