NutriStack
Alpha-Lipoic Acid and Glipizide, a caution.
Alpha-lipoic acid (ALA) improves insulin sensitivity and lowers fasting glucose and HbA1c in meta-analyses of diabetic patients. ALA has also triggered insulin autoimmune syndrome (Hirata syndrome), producing severe spontaneous hypoglycemia. Layered on glipizide, which itself forces insulin secretion, the additive glucose-lowering can produce hypoglycemia, especially in older adults or after missed meals.
One pair, every claim cited. The two substances, the type, the mechanism, the recommendation, and the primary literature.
Same shape as the other 1,729 pairs in the public database.
From the interaction database
What the row says.
Every entry follows the same shape: what is happening, the mechanism, the recommendation, and the primary literature.
At a glance
- Substances
- Alpha-Lipoic Acid and Glipizide
- Pair type
- Caution
- Evidence (highest tier)
- Moderate
- Source citations
- 2 sources
- Stack Score effect
- −5 to your Stack Score (per scored caution row).
- Scope
- Supplement × Prescription
- Last verified
- May 30, 2026
Caution · Moderate evidence
Caution
What is happening. Alpha-lipoic acid (ALA) improves insulin sensitivity and lowers fasting glucose and HbA1c in meta-analyses of diabetic patients. ALA has also triggered insulin autoimmune syndrome (Hirata syndrome), producing severe spontaneous hypoglycemia. Layered on glipizide, which itself forces insulin secretion, the additive glucose-lowering can produce hypoglycemia, especially in older adults or after missed meals.
Mechanism. ALA enhances insulin-stimulated glucose uptake in skeletal muscle by increasing GLUT4 translocation and improving mitochondrial function. ALA's sulfhydryl groups can also bind to insulin and trigger autoantibody formation in genetically susceptible individuals, causing Hirata syndrome. Glipizide drives pancreatic insulin secretion by closing K-ATP channels.
Recommendation. If you take glipizide, do not start ALA without telling your prescriber. Monitor fingerstick glucose more often during the first 4 weeks and after any dose change. Seek urgent care if you have repeated unexplained hypoglycemia, which can signal insulin autoimmune syndrome.
Sources (2)
- Akbari M, Ostadmohammadi V, Lankarani KB, et al. The effects of alpha-lipoic acid supplementation on glucose control and lipid profiles among patients with metabolic diseases: A systematic review and meta-analysis of randomized controlled trials. Metabolism. 2018;87:56-69. PMID 29990473
- Izzo V, Greco C, Corradini D, et al. Insulin autoimmune syndrome in an Argentine woman taking alpha-lipoic acid: A case report and review of the literature. SAGE Open Med Case Rep. 2018;6:2050313X18819601. PMID 30627435
Stack Score
How this pair moves the number.
Effect on the composite score
If both Alpha-Lipoic Acid and Glipizide are in the same stack, this pair applies −5 to your Stack Score (per scored caution row).
The full algorithm, the clamping rules, and four worked stacks are documented at /methodology/stack-score.
Check your full routine
One pair was the worked example. NutriStack runs every pair in your stack at once.
Drop in your supplements and prescriptions and the public database surfaces every interaction, synergy, timing rule, and contraindication, every one linked to its primary source.