Exploring IV Vitamin C Therapy for Pets with Cancer
- Meaghan Monahan, CVT, BS

- Oct 31
- 2 min read
At Red Sage Integrative Veterinary Partners, we’re always seeking innovative and supportive treatments to improve the quality of life for pets living with cancer. One therapy gaining attention in integrative oncology is high-dose intravenous vitamin C (IVC) infusions.
What Is IV Vitamin C Therapy?

IVC therapy involves administering buffered sodium ascorbate (vitamin C) directly into the bloodstream at high doses, far beyond what oral supplements can achieve. While vitamin C
is best known as an antioxidant, at high intravenous levels it can act as a pro-oxidative agent targeting cancer cells, while simultaneously supporting the body’s immune system and mitigating some side effects of conventional cancer treatments.
Potential Benefits
Although more large-scale veterinary studies are needed, existing evidence and case reports in both human and veterinary medicine suggest that IVC may:
Slow cancer progression and reduce tumor burden
Extend time to relapse when used alongside chemotherapy
Improve appetite, comfort, and energy
Reduce inflammation and pain
Help pets tolerate chemotherapy better by minimizing its side effects
Many families find comfort in knowing they have additional options to support their pets during cancer care, especially when conventional options are limited.
How It Works at Red Sage
We carefully screen each patient for suitability before starting IVC. Key steps include:
Patient Selection: We check kidney function, hydration status, and overall health.
Safe Dosing: Infusions begin at lower doses and are gradually increased if tolerated.
Monitored Sessions: Each infusion is administered slowly through a secure IV line with close monitoring by our medical team.
Frequency: Most pets receive an initial series of infusions, then transition to maintenance doses spaced further apart based on how they respond.
It’s important to note that many oncologists in the area are enthusiastic about combining IVC with chemotherapy, as studies and our experience suggest that the two can work synergistically.
Our Commitment to Individualized Care
Every pet’s cancer journey is unique. We integrate IVC therapy thoughtfully, alongside other supportive options like acupuncture, herbal formulas, nutritional support, and pain management—always guided by the latest research and tailored to your pet’s needs.
Is IV Vitamin C Right for Your Pet?
If your pet has been diagnosed with cancer or it’s strongly suspected and you’re interested in exploring all options to maximize comfort and well-being, we’re here to guide you. We’ll discuss potential benefits, realistic expectations, and ensure you feel informed and supported every step of the way.












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