Medication·Interactions & depletion·Reviewed June 9, 2026
Cinacalcet interactions.
Cinacalcet has 4 documented interactions in the NutriStack database, including 1 flagged to avoid or as a serious conflict. Prolonged use is also associated with lower Calcium. The full interaction list, depletion table, and replacement suggestions are below. None of this is a substitute for your prescriber's advice.
Cinacalcet at a glance.
A quick, data-grounded summary. The full tables are below.
Cinacalcet has 4 documented interactions in the NutriStack database, including 1 flagged to avoid or as a serious conflict. Prolonged use is also associated with lower Calcium. The full interaction list, depletion table, and replacement suggestions are below. None of this is a substitute for your prescriber's advice.
Substances that interact with cinacalcet.
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 |
|---|---|---|
| St. John's Wort | Conflict | St. John's Wort can induce CYP3A4 and may reduce cinacalcet exposure, destabilizing calcium and PTH control. |
| Magnesium Glycinate | Caution | Low magnesium can worsen neuromuscular irritability and arrhythmia risk when hypocalcemia occurs, but supplementation in kidney disease requires... |
| Calcium | Synergy | Calcium may be used to correct or prevent cinacalcet-related hypocalcemia when prescribed. |
| Vitamin D3 | Synergy | Vitamin D therapy can help maintain calcium balance but can also change calcium and phosphate response during cinacalcet treatment. |
What cinacalcet can deplete.
Nutrients this medication is associated with lowering over time, with the mechanism, a suggested replacement where one applies, and the biomarker to monitor. Discuss any replacement with your prescriber first.
| Nutrient | Severity | How it happens | Replace with | Monitor |
|---|---|---|---|---|
| Calcium | Significant | Cinacalcet intentionally lowers PTH and serum calcium and can cause clinically significant hypocalcemia. | Calcium | Corrected serum calcium |
The full cinacalcet profile.
Uses, typical dosing, side effects, and the cited evidence for this medication.
Common cinacalcet questions.
Quick answers drawn from the tables above.
What interacts with Cinacalcet?
In the NutriStack database, Cinacalcet has 4 documented interactions. The most notable include St. John's Wort, Magnesium Glycinate, Calcium, and Vitamin D3. Check any specific combination before taking it and confirm with your prescriber.
Which substances should I avoid with Cinacalcet?
Cinacalcet is flagged against 1 substance in the database, including St. John's Wort. These pairings carry a higher risk and should be reviewed with a clinician before combining.
Does Cinacalcet deplete any nutrients?
Cinacalcet is associated with lowering Calcium with prolonged use. Useful biomarkers to monitor include Corrected serum calcium. Ask your prescriber before adding any replacement supplement.
Is it safe to take St. John's Wort with Cinacalcet?
NutriStack classifies the St. John's Wort and Cinacalcet pairing as conflict: St. John's Wort can induce CYP3A4 and may reduce cinacalcet exposure, destabilizing calcium and PTH control. Avoid unsupervised use; recheck labs if any enzyme-inducing supplement is started or stopped. Always confirm with your prescriber.
Check your whole stack
See how cinacalcet fits your supplements.
NutriStack screens your full routine for interactions and depletions, and updates the moment you change it.