The Benefits of IV Vitamin C

 In Oncology

The Benefits of IV Vitamin C

A treatment for cancer

Michael Um, ND

The impact of cancer on society is astronomical. About 565,650 Americans are expected to die of cancer this year; that is more than 1,500 people a day. In the U.S., cancer accounts for one out of every four deaths. The National Institutes of Health estimate overall costs for cancer in 2007 at $219.2 billion. The lifetime risk of developing cancer increases with age: about 77% of all cancers are diagnosed in persons 55 and older. To put this into perspective, 1 in 12 males and 1 in 11 females between the ages of 40-59 and 1 in 6 males and 1 in 9 females between the ages of 60-69 will develop cancer (American Cancer Society, 2007.).

With the aging of the population, there has been very little change in regards to the therapeutics being offered to the cancer patient today. The standard allopathic protocol (depending on the cancer) is chemotherapy, surgery and/or radiation. More and more money is being poured into cancer research, but from the research lab to actual clinical practice, the impact to cancer patients cannot come fast enough. So what can be done now? What can we NDs offer the cancer patient sitting in our office today?

Vitamin C and Cancer

Some 30 years ago in a hospital in Scotland, important discoveries regarding vitamin C and cancer were taking place by Drs. Pauling and Cameron. Since that point, vitamin C – specifically its impact on cancer – has been the most researched and controversial vitamin utilized by NDs for cancer therapy. In fact, several theories on vitamin C and cancer have existed even prior to the famous trials at Vale of Leven hospital in Scotland. In 1954 and 1959, Canadian physician WJ McCormick formulated the hypothesis that cancer is a collagen disease, secondary to a deficiency in vitamin C (Cameron and Pauling, 1993). With this initial step, we NDs and, more importantly, our patients have been able to benefit from this research. We have a therapy that can have a great impact on patients diagnosed with cancer.

This research has indicated that only IV vitamin C can achieve a level within the plasma that is cytotoxic to some cancer cells but nontoxic to normal cells (Padayatty et al., 2006). Pharmacokinetic studies have shown that extracellular vitamin C at concentrations greater than 1000µmol/L is selectively toxic to cancer cells. Large oral doses of vitamin C (18g/day) will increase plasma concentrations only modestly, from 70µmol/L to a maximum of 220µmol/L, whereas IV administration raises plasma concentrations as high as 14,000µmol/L (Padayatty et al., 2006, 2004). IV vitamin C can act as a chemotherapeutic agent with none of the side effects typical of conventional chemotherapy. Importantly, in order to achieve these levels for a prolonged time, dosage and duration is imperative (Riordan et al., 2000).

Unfortunately for the patient who has just been diagnosed with cancer, the majority of oncologists will vehemently oppose the use of IV vitamin C, reasoning that the vitamin C along with all antioxidants will negate the impact of chemotherapy. Yet, evidence has shown that antioxidants do not interfere with chemotherapy or radiation therapy, and can in fact increase kill and increase survival (Simone 2nd et al., 2007; Block et al., 2007).

Vitamin C is not the magic bullet. However, it empowers patients to face their challenge, allowing them to have some form of control over this disease. It will help with their quality of life and with the fight against the cancer (Yeom et al., 2007).

In the accompanying case studies, all three patients received 50g of vitamin C via IV, and took 250mg of alpha lipoic acid, a water and lipid-soluble antioxidant that recycles vitamin C and can enhance the tumor toxic effects of vitamin C (Riordan et al., 2000). During the days between receiving IV vitamin C, it has been recommended that patients take oral vitamin C for bowel tolerance. All the appropriate blood work has been reviewed. However, practicing in Canada, there are many obstacles to overcome, and at our clinic we rely heavily on patients to obtain certain blood markers and test results.

Case Study 1

Female, 36 years old, occupational therapist.


  • Weight, 134lbs; height, 5’5”
  • Invasive ductal carcinoma stage IV, right breast
  • 6 of 9 axillary lymph nodes contain metastatic carcinoma
  • Metastases to the liver, biggest lesion = 2.1cm x 1.3cm
  • Mastectomy and chemotherapy (once every three weeks)
  • IV vitamin C therapy began July 2007, 3X/week.

In Oct. 2007, an abdominal MRI was performed.

  • Significant improvement in the liver metastases
  • Largest lesion measures 1.6cm x 0.7cm.

In Feb. 2008, patient had follow-up with her oncologist.

  • Largest lesion has completely resolved
  • Physician stated this is the first time he has seen this level of improvement with a Stage IV invasive ductal carcinoma
  • Tx protocol is to continue IV ascorbates 1X/week for a minimum of six months

Case Study 2

Male, 56 years old, letter carrier.


  • Recurrent renal cell carcinoma
  • 2002: Papillary renal cell carcinoma stage I
  • Laparoscopic nephrectomy of the right kidney in 2002 with no evidence of distant disease
  • Follow-up unremarkable
  • Presented to physician with fatigue
  • Testing revealed elevated liver enzymes
  • March 2006: CT scan revealed 3cm oval mass on the left renal vein and inferior vena cava
  • Biopsy revealed recurrent high-grade renal cell carcinoma
  • Trial chemotherapy suggested; patient refused
  • Surgery refused
  • Bone scintigraphy was unremarkable
  • IV vitamin C therapy began in Aug 2006, 2X/week to current

In Dec. 2006, a CT scan of the abdomen and pelvis was performed.

  • Previously seen nodal mass has resolved
  • Left kidney shows no mass lesion
  • No liver metastases
  • Gallbladder, pancreas, spleen, left adrenal gland appear unremarkable
  • No ascites
  • Bowel is unremarkable
  • No evidence for metastatic osseous lesions.

Conclusion: Interval reduction of retrocaval lymphadenopathy with only a residual aortocaval lymph node at 1.0cm.

In June 2007, a CT scan was repeated.

  • Aortocaval lymph node has increased in size from 1.0cm to 1.7cm
  • No other site for metastatic disease identified

The patient’s oncologist has suggested since the start of treatment that the patient begin chemotherapy, which he continues to refuse. To date, a CT scan and MRI are pending.

Case Study 3

Male, 50 years old, pilot.


  • Weight, 185lbs; height, 6’2’’
  • Colorectal carcinoma, metastases to the liver
  • Baseline CT scan showed numerous lesions throughout the liver; largest measures 10cm
  • Chemotherapy suggested, oxaliplatin and 5-fluorouracil
  • Given five months to live.
  • IV vitamin C therapy began in July 2005, 3X/week. In Sept. 2005, a CT scan of the abdomen and pelvis was performed.
  • Mild decrease in the size of the multiple diffuse liver metastases
  • Largest lesion now measures 8.7cm (previously: 10cm)
  • Soft tissue mass adjacent to the sigmoid colon is now 0.6cm (previously: 0.84cm)
  • Weight: 195lbs.

In Nov. 2005, a CT scan of the abdomen and pelvis was repeated.

• Considerable improvement in the multiple diffuse hepatic metastases
• Soft tissue mass adjacent to the sigmoid colon resolved

In Jan. 2006, a CT scan of the abdomen and pelvis was repeated.

  • Decrease in the size of many lesions
  • One lesion measures 2.8cm (previously: 3.8cm)
  • Largest lesion measures 7.5cm (initially: 10cm)
  • Weight: 205lbs.

In April 2006, patient died suddenly. An autopsy was not performed; however, the patient’s physicians attribute cause of death to the cancer.

Michael Um, ND received his ND degree from CCNM, and his honors bachelor degree in the human biology specialist program from the University of Toronto. During his undergraduate years, Dr. Um worked with a clinical biochemistry research team at the Hospital for Sick Kids in Toronto. While there, he worked on research regarding multiple sclerosis. Then, while attending CCNM, Dr. Um attended patients both on and off campus, including Anishnawabe, an external naturopathic clinic for the aboriginal community, and at the People With Aids external naturopathic clinic, which provides free service to HIV-positive patients. Dr. Um currently works at in St. Catherines, Ontario.

American Cancer Society: Facts and Figures 2008,

Cameron E and Pauling L: Cancer and Vitamin C. Philadelphia, 1993, Camino Books.

Padayatty SJ et al: Intravenously administered vitamin C as cancer therapy: three cases, Canadian Medical Association Journal Mar 28;174(7):937-42, 2006.

Padayatty SJ et al: Vitamin C pharmacokinetics: implications for oral and intravenous use, Ann Intern Med 140:533-7, 2004.

Riordan NH et al: Clinical and experimental experiences with intravenous vitamin C, Journal of Orthomolecular Medicine 15:201-3, 2000.

Simone CB 2nd et al: Antioxidants and other nutrients do not interfere with chemotherapy or radiation therapy and can increase kill and increase survival, Part 2, Alternative Therapies in Health and Medicine Mar-Apr;13(2):40-7, 2007.

Block KI et al: Impact of antioxidant supplementation on chemotherapeutic efficacy: a systematic review of the evidence from randomized controlled trials, Cancer Treatment Reviews Aug;33(5):407-18, 2007.

Yeom CH et al: Changes of terminal cancer patients’ healthrelated quality of life after high dose vitamin C administration, Journal of Korean Medical Science Feb;22(1):7-11, 2007.

Recent Posts

Start typing and press Enter to search