Vitamin C and Cancer

Last Updated: Tue Jun 25 08:44:18 EDT 2019
Note: The following material has been substantially revised and edited based on an edict from the United States Federal Death Administration (FDA).
Vitamin C Foundation "There was something odd about the results of the vitamin C and cancer experiments Linus Pauling reported in the 1980s: patients lived longer - much longer. Those treated with vitamin C lived an average of four times as long as control patients who did not receive vitamin C. This massive improvement was unparalleled in the history of medicine."
Cancer Breakthrough, Handbook on Vitamin C Therapy for Patients and Doctors by vitamin C experts Steven Hickey,PhD, and Hiliary Roberts, PhD.

A recent phase I human trial (2018) published in the medical journal Cancer Research evaluated the effect of intravenous vitamin C and usual traditional therapy on advanced pancreatic adenocarcinoma. The study demonstrated that intravenous vitamin C in combination with the usual chemotherapy (gemcitabine) and radiation therapy almost doubled survival time (21.7 months compared to 12.7 months) and the time of no progression of disease increased threefold compared to their control (13.7 months vs 4.6 months).

In addition, the intravenous vitamin C protected normal cells from the toxic effects of radiation therapy.


"Scientists from the University of Iowa have confirmed that high doses of vitamin C does selectively kill cancer cells without damaging normal cells: one study shows it to reduce mutations that cause cancer in mice, and another shows it can kill up to 50% of human lymphoma cells."


"It is a clear and uncomfortable challenge to all physicians, dietitians, and governmental bodies that a sick human organism can in fact absorb quite a bit more than a few hundred milligrams of ascorbate daily" - Irwin Stone

Case #1

"Since he began taking 80 grams a day in 1979, his well-being has been excellent. He says he feels great most of the time, has also been able to continue working every day and lives a fairly normal life of the years since November 1978 when orthodox medicine said he would be dead. Visually he looks more like an athlete than a terminal cancer patient.

In the last few weeks he has been able to improve his well-being by increasing his ascorbate intake to 130 to 150 grams per day! He has been taking oral doses every hour of 5 to 10 grams of a mixture of nine parts sodium ascorbate plus one part ascorbic acid dissolved in water. These doses are well tolerated and within "bowel tolerance" and he has had no trouble from diarrhea except just lately when he had to reduce the 150 grams a day to 130 grams.

I believe his case is a classic and a good demonstration that if sufficient ascorbate is given to fully counteract all the incident stresses, then the cancer can be controlled. If given early enough in this disease, then cancer may no longer be a problem. Up to now we just haven't realized how big these daily controlling doses have to be."

Stone adds that the man's doctor "ran some ascorbate determinations" on Joe's blood and came up with the highest blood levels I ever saw. At one point it was 35 mg%! Our so-called "normal" but scorbutic population averages 1 mg% or less, our kidney threshold is 1.4 mg%.

I would like to see a crash ascorbate program started on terminal cancer patients using doses in the ranges found to keep his cancer under control. Since these "terminals" have been abandoned by orthodox medicine, they have nothing to lose but their ill health."


Case #2

An acquaintance of mine took Stone's point very seriously. He had terminal lung cancer, and was constantly coughing up blood such that he had a mostly-red handkerchief in his hand anytime you spoke with him. He was too sick to get out of his recliner. It was in this chair that his life played out, day and night. He could not walk. He was in too much pain to even lie down. He spent the night in his chair. He did not want to eat. But he was more than willing to try what Dr. Stone's friend had tried, and did.

He took a level teaspoon of ascorbic acid crystals, about 4,000 mg, every half hour he was awake, day or night. His total daily intake approached 100,000 mg. Within days, he stopped coughing up the blood. If ascorbate had done nothing else, this alone would have been more than enough benefit.

But there was more good news within the week. His appetite returned, and he was now able to lie down in the bed. He reported that he was sleeping much better and was in much less pain. Within two weeks, he was able to walk around the house with a cane, and even go out into the yard. His quality of life was extraordinarily enhanced by the vitamin C. He never got diarrhea.

Stone's initial report of such benefit to a cancer patient from oral doses of ascorbate at 80 to 150 grams a day is striking; his report of such high measured blood levels of ascorbate is astounding. It is a clear and uncomfortable challenge to all physicians, dietitians, and governmental bodies that a sick human organism can in fact absorb quite a bit more than a few hundred milligrams of ascorbate daily.



In 2012, the Konno group published a paper in the Townsend Letter for Doctors and Patients that found a remarkable synergy when vitamin C and commerically available maitake mushroom D'Fraction are combined. Together, but not alone, these supplements kill ordinary malignant cancer cells in vitro.

Landmark Paper on Vitamin C and D'Fraction for Cancers.

"Overall, the combination of D-Fraction and Vitamin C was highly potent, inducing >90% growth reduction in nearly all cancer cells except for a 70% growth reduction in lung cancer A549 cells." — Sensuke Konno, et al. from Townsend Letter issue #349/350, pg 82

Note: A second factor combined with vitamin C often amplifies the health generating effect. As with heart disease, where adding lysine was the miracle, conventional cancer researchers discovered that the addition of Maitake Mushroom D'Fraction to high vitamin C produces a miracle fighting cancer.

Foundation approved CONQUER is a true-liposomal vitamin C and D'Fraction dietary supplement.


Introduction

Recently, exciting research has been published that documents the ability of vitamins C, E and selenium orally to prevent most cancers, and to decrease the mortality of pancreatic cancers, stomach cancers, prostate cancers and other cancers. The Vitamin C Foundation is interested in the how and the why vitamin C may help people with cancers feel better.

Foundation's Review of the Recent Science from Around the World

In recent years, stunning science has revealed that fighting cancer is fighting two different battles. The active malignancy and the more subtle battle against these otherwise hard-to-kill cancer stem cells (CSCs). These cancer stem cells are the seeds of future cancers and new landmark research has found that optimal doses of vitamin C, and to a lessor extent vitamin B3, can destroy these CSCs.

In 2001, the University of Michigan Cancer Center proclaimed that current chemotherapy targets the "wrong" cells. The Ann Arbor researchers discovered that not all cells in a tumor are equally malignant. Only tiny minorities of tumor cells are actually capable of inducing new cancers; the rest are relatively harmless. "These tumor-inducing cells have many of the properties of stem cells," said Michael F. Clarke, MD, a professor of internal medicine, who directed the study. "They make copies of themselves --a process called self-renewal -- and produce all the other kinds of cells in the original tumor."

Concise Review: Cancer Cells, Cancer Stem Cells, and Mesenchymal Stem Cells: Influence in Cancer Development

The 2017 first-ever study from India found that vitamin C, and Niacin to a lesser extent, at the proper concentrations can kill CSCs - the seeds of ordinary malignant cells. Importantly, the Indian researchers also demonstrated that too small concentrations of vitamin C (and Niacin) actually promote the proliferation of these cancer-seed cells.

The current government RDA for vitamin C, and the dosage recommendations currently from the Linus Pauling Institute, may promote Cancer Stem Cell (CSC) proliferation that spawns malignacies and should not be given to cancer patients.

Last June, Professor Michael Lisanti from the University of Salford, UK, published two studies that found vitamin C and antibiotics could be up to 100 times more effective at killing cancer stem cells (CSCs) than standard-of-care drugs. According to Lisanti, giving the antibiotic doxycycline followed by vitamin C effectively starves cancer stem cells of their fuel, resulting in their death in the lab, the researchers said.

Then last August, another research group located in the USA published their findings that injections of vitamin C could help fight blood cancers. Luisa Cimmino and Benjamin Neel at the New York University School of Medicine and their colleagues have discovered that, by injecting vitamin C, cancer growth could be prevented. Researchers halted the progression of leukemia in mice by promoting the function of a specific gene through high doses of vitamin C.

In the same month, researchers at Children's Medical Center Research Institute at UT Southwestern discovered that stem cells absorb “unusually high” levels of vitamin C, which reportedly regulate function and suppress the development of leukemia. Dr. Michalis Agathocleous, lead author of the study, said stem cells use vitamin C to regulate chemical modifications on DNA, which turn genes on and off. “When stem cells don’t receive enough vitamin C, these [DNA-regulating mechanisms] can become damaged in a way that increases stem cell function but also increases the risk of leukemia.” Thus, if humans take up more vitamin C than normal, this vitamin will regulate and stabilize stem cell function and suppress the chances of developing leukemia.

Physician Daniel Couturier commented, “Available studies indicate that vitamin C, at doses of 4 g/kg b.w., a pancreatic tumor mass reduction of more than 40% could be achieved in a xenograft animal model."

The new research settles the Linus Pauling/Arthur Robinson Cancer and Vitamin C Controversy. Both men were right. While low doses promote cancers, high doses can kill cells that spawn cancers.

The Vitamin C Foundation White Paper for cancer doctors and patients estimates the continuous dosing necessary for CSC-lethal concentrations in the blood. The Foundation encourages oncologists to advise their patients to supplement vitamin C in oral amounts that can achieve at least a 100 micromoles/liter concentration in their blood for as long as possible. The major problem is that the kidney constantly reduces vitamin C concentrations to less than this amount steady state, e.g. 85 micromoles/liter, with a half-life of 30 minutes.

Our initial estimates are that 1 gram or less of oral vitamin C daily creates the concentrations that promote CSC proliferation , and that 4 grams creates the minimum required 100 micromole/litter concentration, at least for a little while.

Our specific minimum vitamin C oral dosing recommendation for cancer patients is 1 gram every 2 hours.


For the first time in the history of science a group of researchers found that higher doses of vitamin C and Niacin, or vitamin B3, destroy cancer stem cells.

Published in the journal Cell Biology International, the study investigated both low and high doses of vitamin C and Niacin on stem cells tumors of the intestine. Different dosages produced opposite effects.

Thus, it was found that when taking vitamin C to create a concentration of 5-25 micromole/L of vitamins C and B3, which is a low dosage, there is a process of active reproduction of stem cells tumors of the intestine. At high dosages (creating concentrations of 100 to 1,000 micromoles) these stem cells are destroyed.

Foundation Press Release

The Vitamin C Foundation calculates that continuous oral supplemental oral intakes of vitamin C can achieve the study's reported cancer-lethal concentrations in the blood. The normal lab range for vitamin C is 0.4 mg/dl to 1.5 mg/dl, (23 to 85 μM/L). The Indian study results indicate that a 100 μM concentration (1.76 mg/dl) is the low end of the cancer-lethal range, or just above steady state. Sustaining this level requires continuous vitamin C supplementation, as long advocated by vitamin C experts Steve Hickey and Hilary Roberts, PhDs. While intravenous vitamin C can exceed the 10,000 μM by 2.5 times (e.g. 440 mg/dl or 24,983.2 μM/L ) this is apparently suboptimal, and it is difficult to keep people on constant intravenous vitamin C infusions.

The low range (5 to 25 μM) that promotes the growth of cancer stem cells equals a lab range of 0.08 to 0.44 mg/dl which is below normal and can easily be raised through regular vitamin C supplementation.

The answer to the question of what oral dosage is required is:

A 1 g oral dose of AA can raise plasma AA to 130 µmol/L within an hour and such doses at intervals of about two hours throughout the day can maintain ~230 µmol AA/L

Cheryl A Krone, John A Ely, Journal of the New Zealand Medical Association, 23-August-2002, Vol 115 No 1160, Glycohaemoglobin and ascorbic acid)

Note: The current government RDA for vitamin C, and the dosage recommendations currently from the Linus Pauling Institute, promote Cancer Stem Cell (CSC) proliferation that spawns malignacies. According to the findings of researchers Sen, et. al., the dosage for cancer patients needs to be much higher to avoid spawning new aggressive cancers.

(Forum Discussion)

The Sen study is published in the journal Cell Biology International. Note: Pauling and Robinson are vindicated! They were both right.


Facebook Video - Linus Pauling 1986 Interview: Cancer and Vitamin C


White Paper Press Release



More support for the Sen et. al Vitamin C (and B3) findings (below).
This prospective cohort study with quantitative assessment of supplemental intakes suggests a potential protective effect of several antioxidants (vitamins C and E and Se) on digestive cancer risk, and a modulation of some of these relationships by alcohol consumption and smoking status.

The results in a cohort over 38,000 were so strong and compelling the authors stated: Healthcare professionals may promote intake of these antioxidants in healthy amounts in order to reduce the incidence of this type of malignancy"



Lead author Professor Benjamin Neel said: 'We’re excited by the prospect that high-dose vitamin C might become a safe treatment for blood diseases.'

In a large study of breast cancer patients undergoing paclitaxel chemotherapy, those who used multivitamins were about 40% less likely to suffer sensory loss.


High Dose Vitamin C, Oxidative Stress And Ordinary Malignancy

Almost all vitamin C experts now seem to agree, hydrogen peroxide produced by high levels of ascorbate (vitamin C) plays an important role.

However, vitamin C is relatively weak at this job at lower dosages, so there are multiple reasons to avoid low dose vitamin C if you have cancer. Experts recommend continuous high dosages of ascorbate (vitamin C) combined with specific adjuncts (e.g. Alpha Lipoic Acid, Vitamin K3, and/or D'Fraction Maitake Mushroom.)

Most experts recommend incorporating high-dose intravenous vitamin C (IV/C) infusions to achieve the high blood concentrations necessary to kill the most malignant cells.

Expert Opinion on 14 Videos: The Case for Vitamin C Against Cancers


Talking to your Oncologist

You may be able to talk your oncologist into going along with vitamin C as an 'adjunct' (not a replacement for) conventional chemotherapy.

Vitamin C Foundation Improvement of terminal cancer patients' health-related quality of life after high dose vitamin C administration... No matter how effective IV/C is against tumors, the high-dose Vitamin C therapy can become an important adjunct to standard therapies by protecting our trillions of good cells from the adverse effects of chemotherapy and radiation. Studies have shown that taking IV/C after these therapies does not interfere with them and patients who take IV/C after chemotherapy do better than those who don't get vitamin C.

Visit: Inteligent*Vitamin*C Blog on Vitamin C and Oncology

Powerpoint: Recent (2017) Vitamin C and CSC study abstracts


Ketogenic Diet

Cancer patients should restrict their sugar and carb intakes to avoid fueling cancer cell division. Cancers have increased insulin receptors and thrive on sugar. All carbohydrates reduce to simple sugars during digestion. A low-carb, low-sugar (ketogenic) diet is important to starve fast growing tumors of glucose.

Glucose, a component of most sugars, competes with vitamin C for entry into cells because these molecules are similar. This may be why the low-carb diet enhances vitamin C anti-cancer therapies.

The documentary Cancer Can Be Killed , a Jeff Witzeman film, introduces another theory that may explain how vitamin C works to kill cancer. Cancer requires fuel for its rapid cell division, and both its primary fuel, glucose, and vitamin C enter cells via insulin transport. If cancer patients lower their glucose intake and raise their vitamin C intake, the large amount of Vitamin C entering cancer cells becomes a “Trojan Horse.” The cancer tumors are not able to use the massive dosage of vitamin C they taken in for energy. This wonderful documentary is available for free to Amazon Prime members, and is only $1.99 otherwise.


Good Advice: Take Oral Vitamin C Too - All Day

Authors Hickey and Roberts stress that vitamin C should be taken orally 24/7 to keep the oxygen "redox" pressure on cancer tumors (i.e. not only during regular intravenous vitamin C infusions.)

The Cancer Breakthrough
Handbook on Vitamin C Therapy for Patients and Doctors by Steve Hickey and Hilary Roberts

Vitamin C Foundation The new Vitamin C Foundation sugar-free chewables (with Niacin) help with compliance, i.e. one tasty tablet every 3 to 4 hours, and they may help reduce the sugar/carb craving.

Cameron's chewables also contain important ingredients (e.g. cherry flavor, sorbitol and xylitol) that may have contributed to the outstanding Pauling/Cameron results in their Scottish study. Visit this forum topic on how and why new Vitamin C Foundation approved chewable vitamin C may contain Ewan Cameron's Secret Weapon against cancer.


Ralph Moss: Antioxidants Increase Chemo Potency Against Cancer

We recommend the book Antioxidants Against Cancer which clearly explains why antioxidant therapy should be offered to every cancer patient. Ralph Moss, a leading expert on cancer treatments, provides an excellent evidence-based summary, easily understood by both patients and their cancer treatment specialists,

The following tables from the Moss book illustrate that vitamin C the effectiveness of using vitamin C (and vitamin E) as an adjunct to conventional therapies.

Combinations of Vitamin C and Conventional Anticancer Agents
Agent UsedDecrease in Cancer Growth
Vitamin C -5.0%
5-FU 38.0%
5-FU + Vitamin C 95.5%
X rays 72.0%
X rays + Vitamin C 98.2%
Bleomycin 73.0%
Bleomycin + Vitamin C 92.0%

Combinations of Vitamin E and Conventional Anticancer Agents
Agent UsedDecrease in Cancer Growth
Vitamin E 47%
Bleomycin 46%
Bleomycin + Vitamin E 71%
5-FU 37%
5-FU + Vitamin E 71%
Adriamycin 58%
Adriamycin + Vitamin E 88%
Cisplatin 57%
Cisplatin + Vitamin E 82%
Source: Kedar Prasad, University of Colorado, as summarized in Antioxidants Against Cancer by Ralph Moss

Moss Reports and updates on the latest science of Antioxidants and Cancer by Ralph Moss


Review of the Recent Science

Study: Long Term Use of Antioxidant Supplements Cuts Risk of Breast Cancer in Half
Taking antioxidant vitamins for a long term may help prevent breast cancer, according to a study published in the Aug 24, 2011 issue of BMC Cancer.

The study led by S.Y. Pan of Public Health Agency of Canada, Ottawa, Ontario, Canada and colleagues showed that premenopausal women who had taken zinc supplements for 10 years or longer were 54 percent less likely to develop breast cancer, compared to those who had not.

The study also showed that supplementation of multivitamin, beta-carotene, vitamin C, vitamin E and zinc for 10 or more years was associated with 26, 42, 21, 25, and 53 percent reduced risk of breast cancer , respectively, in postmenopausal women.

On the other hand, dietary antioxidants including beta-carotene, alpha-carotene, lycopene, lutein and zeaxanthin, vitamin C, vitamin E, selenium and zinc or supplementation of antioxidants for less than 10 years were not associated with reduced risk of developing breast cancer.

Study: Antioxidant Intake Significantly Decreases Pancreatic Cancer Risk by 67%

What researchers found was that those who consumed the most selenium roughly halved their risk of developing pancreatic cancer compared to participants with the lowest intake. Even more remarkable, participants in the top 25 percent of consumption of vitamins C, E and selenium reduced their risk by 67 percent. The authors concluded that this amount of reduced risk could possibly prevent 8 percent of pancreatic cancers.

Study: Vitamins E, C Cut Prostate Cancer Risk

The study led by E. Bidoli of Centro di Riferimento Oncologico, IRCCS, Aviano, (PN), Italy and colleagues found men who had highest vitamin E intake were 22 percent less likely to develop prostate cancer, compared to those who had the lowest intake. A similar association was found between vitamin C intake and risk of prostate cancer. Men who had the highest intake of vitamin C were 14 percent less likely to develop prostate cancer compared with those who had the lowest intake.

Study: Vitamin C, E and selenium drastically reduce risk of death from gastric cancer (stomach cancer) and esophageal cancer in half.

Gastric cancer or esophageal cancer patients who took vitamin C, E and antioxidative selenium supplements during a 15-year study were 50 percent less likely to die from the cancers. .

Vitamins C and A synergistically fight breast cancer cell growth...

Vitamin C Foundation A study published in the Journal of Nutritional Biochemistry found that administering both vitamin A and vitamin C to cultured human breast cancer cells was more than three times as effective than the administration of either compound alone.

"This is the first time the effect of combining retinoic and ascorbic acid on breast cancer cell proliferation, differentiation, apoptosis and antioxidant-related gene expression has been studied."

The Journal of Nutritional Biochemistry
Volume 17, Issue 7, July 2006, Pages 454.462
Retinoic acid and ascorbic acid act synergistically in inhibiting human breast cancer cell proliferation
Ki-Nam Kima, Jae-Eun Pieb, Jin-Hee Parka, Yoon-Hee Parka, Hye-Won Kima, Meyoung-kon Kima, Corresponding author contact information, E-mail the corresponding author.
More Science
In 1954 McCormick postulated the theory that the factor which preconditions the body to the development of cancer is the degenerative changes caused by continued low levels of ascorbic acid in the body. According to Irwin Stone, additional evidence supporting this hypothesis comes from the work of Goth and Littmann in 1948. They found that cancers most frequently originate in organs whose ascorbic acid levels are below 4.5 mg/dl and rarely grow in organs containing ascorbic acid above this concentration. (Irwin Stone, The Healing Factor, Pg 95. Irwin Stone's 1972 book: The Healing Factor )

Hickey/Roberts Important Cancer Book Ready for Download

How Vitamin C Is Administered Affects How Much Reaches the Bloodstream and May Affect the Results of Studies of Its Potential Effect on Cancer ...

Dr. Cathcart's Vitamin C and Cancer Page

Preparation of Sodium Ascorbate for IV and IM Use... Cathcart's Written Instructions for Physicians

Nobel prize winner's letter on vitamin C and cancer...

NIH (Levine's) Vitamin C/Cancer Paper Now Available - Free Download (pdf)

Even the mainstream is slowly recognizing value of vitamin C in the fight against cancer.

Animal-Based Nutrients Linked With Higher Risk Of Stomach And Esophageal Cancers Vitamin C supplements reduce stomach cancer by 40% Yale researchers also found that regular users of vitamin C supplements were at significantly lower risk of stomach cancer.

Vitamin C and Vitamin K3 cause massive cancer cell death. From Science News.

Vitamin C Foundation comments: Are high antioxidant intakes bad for your health?

Statin Cholesterol-Lowering Drugs and Cancer...

Final Report of the Safety Assessment of [Vitamin C] i.e., L-Ascorbic Acid, Calcium Ascorbate, Magnesium Ascorbate, Magnesium Ascorbyl Phosphate, Sodium Ascorbate, and Sodium Ascorbyl Phosphate as Used in Cosmetics...

Vitamin C Foundation These data coupled with an absence of reports in the clinical literature of Ascorbic Acid sensitization strongly support the safety of these ingredients. Note: Report states that fear of tumors is misplaced, as effect is compared to bicarbonate of soda.

White Paper Press Release





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Consider making a contribution to the nonprofit Vitamin C Foundation at the same time you place your order. As the Foundation is a recognized 501(c)(3), your donations are tax-deductible within the guidelines of U.S. law. Proceeds are used to fund this web site and the Foundation's initiatives.

"We have had the opportunity to observe patients who have taken 10g or more per day of vitamin C during intense chemotherapy. We now recommend a high intake of vitamin C, in some cases up to the bowel-tolerance limit, beginning as early as possible." Linus Pauling (Pg. 241, HOW TO LIVE LONGER AND FEEL BETTER, 1986, paperback)


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