NutriStack
Berberine HCl and Insulin Lispro, a caution.
Berberine HCl has independent antihyperglycemic effects. Insulin lispro is rapid-acting mealtime insulin, so the combination may cause unexpectedly low post-meal glucose if insulin dosing is not adjusted. The risk increases with missed meals, lower carbohydrate intake, exercise, or weight loss.
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
- Berberine HCl and Insulin Lispro
- 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. Berberine HCl has independent antihyperglycemic effects. Insulin lispro is rapid-acting mealtime insulin, so the combination may cause unexpectedly low post-meal glucose if insulin dosing is not adjusted. The risk increases with missed meals, lower carbohydrate intake, exercise, or weight loss.
Mechanism. Berberine improves glucose uptake and insulin sensitivity through AMPK-linked pathways. These actions can add to insulin lispro's rapid insulin receptor-mediated glucose disposal after meals.
Recommendation. If you use insulin lispro, start or stop Berberine HCl only with extra glucose monitoring. Review low readings with your diabetes clinician before changing insulin doses.
Stack Score
How this pair moves the number.
Effect on the composite score
If both Berberine HCl and Insulin Lispro 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.
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