Medication·Interactions·Reviewed June 9, 2026
Telmisartan interactions.
Telmisartan has 4 documented interactions in the NutriStack database, including 1 flagged to avoid or as a serious conflict. The full interaction list is below. None of this is a substitute for your prescriber's advice.
Telmisartan at a glance.
A quick, data-grounded summary. The full tables are below.
Telmisartan has 4 documented interactions in the NutriStack database, including 1 flagged to avoid or as a serious conflict. The full interaction list is below. None of this is a substitute for your prescriber's advice.
Substances that interact with telmisartan.
Every supplement and medication in the NutriStack database with a documented interaction with this drug, highest-severity first. Open any pair for the mechanism and sources.
| Substance | Interaction | What happens |
|---|---|---|
| Potassium | Conflict | Telmisartan, an angiotensin II receptor blocker, reduces aldosterone secretion and thereby decreases urinary potassium excretion. Co-administration... |
| Garlic Extract | Caution | Garlic extract has modest blood-pressure-lowering and vasodilatory effects. When combined with telmisartan, the antihypertensive effects can be... |
| L-Citrulline | Caution | L-Citrulline may add to the blood-pressure-lowering effect of Telmisartan. |
| Magnesium Glycinate | Caution | Magnesium Glycinate may add to the blood-pressure-lowering effect of Telmisartan. |
The full telmisartan profile.
Uses, typical dosing, side effects, and the cited evidence for this medication.
Common telmisartan questions.
Quick answers drawn from the tables above.
What interacts with Telmisartan?
In the NutriStack database, Telmisartan has 4 documented interactions. The most notable include Potassium, Garlic Extract, L-Citrulline, and Magnesium Glycinate. Check any specific combination before taking it and confirm with your prescriber.
Which substances should I avoid with Telmisartan?
Telmisartan is flagged against 1 substance in the database, including Potassium. These pairings carry a higher risk and should be reviewed with a clinician before combining.
Is it safe to take Potassium with Telmisartan?
NutriStack classifies the Potassium and Telmisartan pairing as conflict: Telmisartan, an angiotensin II receptor blocker, reduces aldosterone secretion and thereby decreases urinary potassium excretion. Co-administration with potassium... Avoid routine potassium supplementation and potassium-based salt substitutes unless specifically directed and monitored by a clinician. If potassium... Always confirm with your prescriber.
Check your whole stack
See how telmisartan fits your supplements.
NutriStack screens your full routine for interactions and depletions, and updates the moment you change it.