Medication·Interactions & depletion·Reviewed June 9, 2026
Moxifloxacin interactions.
Moxifloxacin has 5 documented interactions in the NutriStack database. Prolonged use is also associated with lower Magnesium, Calcium, Iron, and Zinc. The full interaction list, depletion table, and replacement suggestions are below. None of this is a substitute for your prescriber's advice.
Moxifloxacin at a glance.
A quick, data-grounded summary. The full tables are below.
Moxifloxacin has 5 documented interactions in the NutriStack database. Prolonged use is also associated with lower Magnesium, Calcium, Iron, and Zinc. 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 moxifloxacin.
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 |
|---|---|---|
| Berberine | Caution | Moxifloxacin prolongs the QT interval, and combining it with berberine adds theoretical additive risk. Berberine inhibits the hERG potassium channel... |
| Calcium | Timing Sensitive | Calcium can reduce oral Moxifloxacin absorption when taken together. |
| Iron | Timing Sensitive | Iron can reduce oral Moxifloxacin absorption when taken together. |
| Magnesium Glycinate | Timing Sensitive | Magnesium Glycinate can reduce oral Moxifloxacin absorption when taken together. |
| Zinc | Timing Sensitive | Zinc can reduce oral Moxifloxacin absorption when taken together. |
What moxifloxacin 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 |
|---|---|---|---|---|
| Magnesium | Mild | Moxifloxacin forms insoluble chelate complexes with divalent magnesium cations in the gastrointestinal tract. This is primarily a bidirectional... | Magnesium (separate administration by at least 2 hours before or 6 hours after moxifloxacin) | Serum magnesium (routine monitoring not generally required for healthy patients on short courses) |
| Calcium | Mild | Calcium ions chelate moxifloxacin in the gut, forming poorly absorbed complexes. The primary clinical consequence is reduced antibiotic... | Calcium (separate administration by at least 2 hours before or 6 hours after moxifloxacin) | Serum calcium (routine monitoring not generally required) |
| Iron | Mild | Ferrous and ferric iron form stable chelate complexes with the 4-oxo and adjacent carboxyl groups of fluoroquinolones, including moxifloxacin.... | Iron (ferrous sulfate or similar; separate administration by at least 2 hours before or 6 hours after moxifloxacin) | Serum ferritin and hemoglobin (only if pre-existing iron deficiency is being treated) |
| Zinc | Mild | Zinc, a divalent cation, chelates moxifloxacin in the gastrointestinal tract, forming poorly soluble complexes. As with other multivalent minerals,... | Zinc (separate administration by at least 2 hours before or 6 hours after moxifloxacin) | Plasma zinc (routine monitoring not generally required) |
The full moxifloxacin profile.
Uses, typical dosing, side effects, and the cited evidence for this medication.
Common moxifloxacin questions.
Quick answers drawn from the tables above.
What interacts with Moxifloxacin?
In the NutriStack database, Moxifloxacin has 5 documented interactions. The most notable include Berberine, Calcium, Iron, Magnesium Glycinate, and Zinc. Check any specific combination before taking it and confirm with your prescriber.
Does Moxifloxacin deplete any nutrients?
Moxifloxacin is associated with lowering Magnesium, Calcium, Iron, and Zinc with prolonged use. Useful biomarkers to monitor include Serum magnesium (routine monitoring not generally required for healthy patients on short courses), Serum calcium (routine monitoring not generally required), and Serum ferritin and hemoglobin (only if pre-existing iron deficiency is being treated). Ask your prescriber before adding any replacement supplement.
Is it safe to take Berberine with Moxifloxacin?
NutriStack classifies the Berberine and Moxifloxacin pairing as caution: Moxifloxacin prolongs the QT interval, and combining it with berberine adds theoretical additive risk. Berberine inhibits the hERG potassium channel and has been... Use caution when combining berberine with moxifloxacin, particularly in patients with cardiac risk factors, electrolyte abnormalities, or other... Always confirm with your prescriber.
Check your whole stack
See how moxifloxacin fits your supplements.
NutriStack screens your full routine for interactions and depletions, and updates the moment you change it.