Why A Sick Body Needs So Much Vitamin C
Copyright (C), 1994 and prior years by Dr. Robert F. Cathcart. Dr. Cathcart gave his permission "to distribute via the internet as long as material is distributed in its entirety and not modified."
Keywords: vitamin C, ascorbate, acute induced scurvy, bowel tolerance, titrating to bowel tolerance, the ascorbate effect, free radical scavengers, reducing equivalents.
I have found vitamin C
exceptionally useful in a very high dose range. Its usefulness is in three
such distinct realms that I will describe them as the three faces of vitamin
1. vitamin C to prevent scurvy
One might criticize the wisdom of my use of these massive doses but Klenner had successfully utilized them previously. The works of Irwin Stone, Linus Pauling, and Archie Kalokerinos have supported many of my observations. It was apparent that in all the studies yielding negative or equivocal results, inadequate doses were used. In some studies, doses barely bordering on adequate, tease the investigator with statistically significant but not very impressive beneficial results.
My early discovery was that the bowel tolerance to ascorbic acid of a person with a healthy GI tract was somewhat proportional to the toxicity of their disease. Bowel tolerance doses are the amounts of ascorbic acid tolerated orally that almost, but not quite, cause diarrhea. A patient who could tolerate orally 10 to 15 grams of ascorbic acid per 24 hours when well, might be able to tolerate 30 to 60 grams per 24 hours if he had a mild cold, 100 grams with a severe cold, 150 grams with influenza, and 200 grams or more per 24 hours with mononucleosis or viral pneumonia (1, 2). Marked clinical benefits in these conditions occur only at the bowel tolerance or higher levels. I named the process whereby the patient determined the proper dose as titrating to bowel tolerance. These increases in bowel tolerance in the vast majority of patients normally tolerant to ascorbic acid (perhaps 80% of patients) are invariable. The marked clinical benefits are noted only when a threshold dose, usually close to the bowel tolerance dose, is consumed. I call this benefit the ascorbate effect.
Most patients are started at first with hourly doses of ascorbic acid powder dissolved in small amounts of water. Later, after the patient has learned to accurately estimate the dose necessary to achieve the ascorbate effect, comparable doses of tablets or capsules are also used. Where patients are intolerant to adequate amounts of ascorbic acid orally and the severity of the disease warrants it, intravenous sodium ascorbate is used.
Failures are related to individual difficulties in taking the proper adequate doses. I now have had 22 years (1994) to gather clinical experience and to reflect on this phenomenon.
I want to emphasize the importance of this increasing bowel tolerance with increasing toxicities of diseases. The sensation of detoxification one experiences at these doses is unmistakable.
The effect is so
reliable and dramatic in the tolerant patient as to make obvious the fact
that something very important, that has not been widely appreciated before,
is going on.
THE THREE FACES
At a second level (the second face) vitamin C is still used as a vitamin but larger doses are necessary to maintain its basic vitamin C functions because the vitamin is destroyed rapidly in diseased or injured tissues where there is an overabundance of free radicals. I described the resulting state of deficiency, if the vitamin C is not replaced, as acute induced scurvy (1, 2). There is ample evidence of this depletion of vitamin C by stress and disease as recently reviewed in the literature.
Additionally, the recent extensive research on vitamin C has concerned itself with certain functions that may be augmented by higher than minimal doses of vitamin C (20). Strangely, any usefulness of these larger than minimal doses of vitamin C remain mostly neglected by clinicians. This level is from about 1 to 20 grams a day. Benefits vary from person to person.
At this second level, as in studies reviewed by Pauling (11) and more recently by Hemil (20), there may be expected a slight decrease in the incidence of colds but a more significant reduction in the complications and the duration of colds. Personally, I am impressed by the number of patients (but certainly not all) who tell me that they have not had a cold for years since reading Pauling's book and taking vitamin C. Patients with chronic infections frequently have those infections cured for the first time. Antibiotics work synergistically with these doses. A surprising number of elderly persons benefit from doses of this magnitude and may indeed have what Irwin Stone described as chronic subclinical scurvy (10).
The third level of doses (the third face) is virtually undiscussed in the literature but is the most interesting. These doses range usually from 30 to 200 grams or more per 24 hours. The most important concept to understand is that while incidentally at these dose levels the vitamin C performs all the functions of levels one and two, it is mostly thrown away for the reducing equivalents it carries (3). With these doses it is possible to saturate the body with reducing equivalents, neutralize the excessive free radicals, and drive a reducing redox potential into involved tissues. Inflammations mediated by free radicals can be eliminated or markedly reduced. In many instances patients with allergies or autoimmune disease have their humeral immunity controlled while their cellular immunity is augmented (19). To the extent that free radicals are either essential to the perpetuation of a disease or just part of the cause of symptoms, the disease will be cured or just ameliorated.
The list of diseases involving free radicals continue to grow. Infections, cardiovascular diseases, cancer, trauma, burns both thermal and radiation, surgeries, allergies, autoimmune diseases and aging are now included. It is more difficult to think of a disease that does not involve free radicals. Progressive nutritionists routinely give vitamin C, vitamin E, beta carotene, selenium, NAC, etc. to counter free radicals. I certainly agree with this practice. However, there is one important concept neglected.
In the spirit that if you throw a bucket of water on a fire, it is the water that puts the fire out, not the bucket; it is the reducing equivalents carried by the free radical scavengers that quench the free radicals, not the free radical scavenger itself.
Most of the reducing equivalents utilized by non enzymatic free radical scavengers do not come from the ingested free radical scavengers but come through glycolysis, the citric acid cycle, NADPH, FADH2, glutathione, etc. Dietary free radical scavengers carry in on ingestion only a small percentage of the total reducing equivalents carried by those scavengers during their lifetime in the body. After their first pass neutralizing free radicals, the free radical scavenger must be recharged with reducing equivalents made available in the mitochondria.
Consider the following: Early in this study a 23-year-old, 98-pound librarian with severe mononucleosis claimed to have taken 2 heaping tablespoons every 2 hours, consuming a full pound of ascorbic acid in 2 days without it producing diarrhea. She felt mostly well in 3 to 4 days, although she had to continue about 20 to 30 grams a day for about 2 months. Subsequently, all my young mononucleosis patients with excellent GI tracts have responded similarly and have had equivalent increases in bowel tolerance during the acute stage of the disease.
I believe that the loose stools caused by excessive doses of ascorbic acid orally ingested is due to a resulting hypertonicity of ascorbate in the rectum. Water is attracted into the rectum by the increased osmotic pressure and results in a benign diarrhea. With toxic illnesses, the ascorbate is destroyed rapidly in the involved tissues resulting in a rapid absorption from the gut. Of the ascorbate, what does not reach the rectum, does not cause diarrhea. Intravenous sodium ascorbate does not cause diarrhea and, in fact, increases bowel tolerance to orally ingested ascorbic acid while the IV is running. With hypertonicity of the ascorbate both in the blood and in the rectum, the osmotic pressure of the ascorbate is more equal on both sides of the bowel wall so no diarrhea results. If the diarrhea was cause by other metabolic processes, diarrhea would be caused by intravenous ascorbate.
It should be noted that in some cases of pathological diarrhea, ascorbic acid stops the diarrhea. Presumably in these cases some of the increased destruction of ascorbate is from free radicals in the bowel. However, in most toxic systemic diseases there is no reason to believe that the destruction of the additional ascorbate occurs directly in the bowel, so it is a safe hypothesize that this increased destruction occurs in the interior of the body.
The increased tolerance to ascorbic acid orally provides an interesting and somewhat useful measure of the toxicity of a disease. Probably it is somewhat a measure of the free radicals involved in a disease. I describe a cold that at its maximum makes it possible for a patient to just tolerate 100 grams of ascorbic acid orally without diarrhea, a "100 gram cold." Patients, appearing to be well, who have a tolerance over 20 to 25 grams per 24 hours probably have some subclinical condition which is being hidden by their own free radical scavenging system.
Patients with chronic infections (and a normally strong stomach) can ingest enormous amounts of ascorbic acid. One of my chronic fatigue patients is functional only because of his ingestion of 65 pounds of ascorbic acid in the past 12 months. In 22 years, I, personally, have ingested approximately 361 kilos ( 797 lbs ) ( 4.3 times my body weight ) of ascorbic acid because of chronic allergies and perhaps chronic EBV.
Considering the reducing equivalents carried by such amounts of ascorbic acid, one can only guess at the turnover rate of the non enzymatic free radical scavengers in a patient acutely ill with a 200 gram mononucleosis. However, one gains the impression that all the non enzymatic free radical scavengers would have to be rereduced many times a day.
My use of ascorbate is like thousands of neighbors coming from miles around, each with a bucketful of their own water, throwing their own water on your fire once, and then leaving.
The sudden marked benefit in many disease processes which is achieved at doses near to the bowel tolerance level suggests that a reducing redox potential is forced into the affected tissues only at those dose levels. This ascorbate effect only at the high dose levels is also suggestive that something other than classic functions of vitamin C is involved. This ascorbate effect is more compatible with principles of redox chemistry.
Only a small percentage of the total reducing equivalents donated by non enzymatic free radical scavengers to neutralize free radicals, come in on the ingested nutritional free radical scavengers. Ascorbate is unique in that the body can tolerate doses adequate to supply the necessary reducing equivalents to quench the free radicals generated by severely toxic disease processes. The vitamin C is thrown away for the reducing equivalents it carries. Only in this way can the large amounts of free radicals generated by the most toxic disease processes be rapidly quenched.
1. Cathcart RF. The method of determining proper doses of vitamin C for the treatment of disease by titrating to bowel tolerance. J Orthomolecular Psychiatry 1981; 10:125-32.
2. Cathcart RF. Vitamin C: titrating to bowel tolerance, anascorbemia, and acute induced scurvy. Medical Hypotheses 1981; 7:1359-76.
3. Cathcart RF. A unique function for ascorbate. Medical Hypotheses 1991; 35: 32-7.
4. Klenner FR. Virus pneumonia and its treatment with vitamin C. J. South. Med. and Surg. 1948; 110: 60-3.
5. Klenner FR. The treatment of poliomyelitis and other virus diseases with vitamin C. J. South. Med. and Surg. 1949; 111:210-4.
6. Klenner FR. Observations on the dose and administration of ascorbic acid when employed beyond the range of a vitamin in human pathology. J. App. Nutr. 1971; 23: 61-88.
7. Klenner FR. Significance of high daily intake of ascorbic acid in preventive medicine. J. Int. Acad. Prev. Med. 1974; 1:45-9.
8. Stone I. Studies of a mammalian enzyme system for producing evolutionary evidence on man. Am. J. Phys. Anthro. 1965; 23:83-6.
10. Stone I. The
Healing Factor: Vitamin C Against Disease. Grosset and
11. Pauling L. Vitamin C
and the Common Cold. W.H. Freeman and Company,
12. Pauling L.
Vitamin C, the Common Cold, and the Flu. W.H.Freeman and Company,
13. Pauling L. How
to Live Longer and Feel Better. W.H. Freeman and Company,
14. Kalokerinos A.
Every Second Child. Keats Publishing, Inc.,
15. Cathcart RF. Clinical trial of vitamin C. Letter to the Editor, Medical Tribune, June 25, 1975.
16. Cathcart RF. Vitamin
C in the treatment of acquired immunedeficiency syndrome
17. Cathcart RF.
Vitamin C: the nontoxic, nonrate-limited,
18. Cathcart RF.
HIV infection and glutathione (Letter to editor concerning
Vitamin C tolerance in AIDS).
19. Cathcart RF. The
vitamin C treatment of allergy and the normally unprimed state of
20. Hemil H. Vitamin C and the common cold. Br J Nutr 1992; 67:3-16.
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