Medication·Interactions & depletion·Reviewed June 9, 2026
Valganciclovir interactions.
Valganciclovir has 7 documented interactions in the NutriStack database. Prolonged use is also associated with lower Folate and Magnesium. The full interaction list, depletion table, and replacement suggestions are below. None of this is a substitute for your prescriber's advice.
Valganciclovir at a glance.
A quick, data-grounded summary. The full tables are below.
Valganciclovir has 7 documented interactions in the NutriStack database. Prolonged use is also associated with lower Folate and Magnesium. 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 valganciclovir.
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 |
|---|---|---|
| Creatine | Caution | Creatine can raise measured serum creatinine and complicate renal assessment for Valganciclovir, which depends on kidney function for dosing or... |
| Garlic Extract | Caution | Garlic Extract may increase bleeding tendency and can be a concern with Valganciclovir when valganciclovir causes thrombocytopenia or the patient is... |
| Ginkgo Biloba | Caution | Ginkgo Biloba may increase bleeding tendency and can be a concern with Valganciclovir when valganciclovir causes thrombocytopenia or the patient is... |
| Iron | Caution | Valganciclovir (the oral prodrug of ganciclovir) commonly causes dose-limiting myelosuppression, including anemia. People taking it may be tempted... |
| Probiotics | Caution | Valganciclovir is used heavily in immunosuppressed populations such as solid-organ and stem-cell transplant recipients, and it can deepen immune... |
| Vitamin C | Caution | Ganciclovir, the active form of valganciclovir, is renally cleared and can be nephrotoxic, with kidney impairment requiring dose reduction. Chronic... |
| Zinc | Caution | Valganciclovir frequently causes neutropenia and other cytopenias. High-dose or prolonged zinc supplementation can induce copper deficiency, which... |
What valganciclovir 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 |
|---|---|---|---|---|
| Folate | Mild | Ganciclovir (the active moiety of valganciclovir) is a guanosine nucleoside analog that inhibits DNA synthesis and is markedly myelosuppressive,... | Folic acid | Complete blood count (CBC) with neutrophil count; serum or red-cell folate if megaloblastic features are present |
| Magnesium | Mild | Ganciclovir/valganciclovir can cause renal tubular dysfunction and is frequently co-administered in transplant recipients receiving calcineurin... | Magnesium glycinate | Serum magnesium |
The full valganciclovir profile.
Uses, typical dosing, side effects, and the cited evidence for this medication.
Common valganciclovir questions.
Quick answers drawn from the tables above.
What interacts with Valganciclovir?
In the NutriStack database, Valganciclovir has 7 documented interactions. The most notable include Creatine, Garlic Extract, Ginkgo Biloba, Iron, and Probiotics. Check any specific combination before taking it and confirm with your prescriber.
Does Valganciclovir deplete any nutrients?
Valganciclovir is associated with lowering Folate and Magnesium with prolonged use. Useful biomarkers to monitor include Complete blood count (CBC) with neutrophil count; serum or red-cell folate if megaloblastic features are present and Serum magnesium. Ask your prescriber before adding any replacement supplement.
Is it safe to take Creatine with Valganciclovir?
NutriStack classifies the Creatine and Valganciclovir pairing as caution: Creatine can raise measured serum creatinine and complicate renal assessment for Valganciclovir, which depends on kidney function for dosing or toxicity monitoring. Tell the prescriber about creatine use and avoid creatine loading during acute illness, kidney injury, or therapy requiring close renal dosing. Always confirm with your prescriber.
Check your whole stack
See how valganciclovir fits your supplements.
NutriStack screens your full routine for interactions and depletions, and updates the moment you change it.