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SAMe- for mood, liver, heart, joint, and brain protection
by James South MA
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S-Adenosylmethionine, more popularly known as
"SAMe", is hardly a household word, even among life-extension and anti-aging
medicine enthusiasts, yet its pivotal importance in human health and biochemistry is hard
to over-estimate. As SAMe research pioneer G. Stramentinol notes; "[SAMe] is an
important physiologic compound that occurs in every living cell... SAMe is probably second
only to ATP in the variety of reactions in which it serves as a cofactor." (1)
SAMe is the "linch
pin" of three major biochemical pathways- transmethylation,
transsulfuration, and aminopropylation- which regulate or impact virtually every
biochemical reaction in humans and animals.
SAMe
article by Marios
Kyriazis M.D
Neurochemistry, liver
biology, heart and artery function, cartilage, bone and joint health, stomach/
intestinal lining resistance to ulceration, immune health, cell membrane
integrity and pain and inflammation, are just some of the realms HEAVILY
influenced by the efficiency (or inefficiency) of ones SAMe metabolism.
Transmethylation is
essential to many biochemical processes "...methyltransferase reactions..
shift the active methyl group of SAMe to a wide variety of methyl
acceptor molecules, including... biogenic amines [noradrenaline,
serotonin], fatty acids and phospholipids, proteins, nucleic acids,
polysaccharides and porphyrins, in this role SAMe is the most important methyl
group donor in mammalian tissue." (2)
SAMes methyl groups
make possible the production of the "fat burner," carnitine; the
neuronutrient, acetyl-L-carnitine; the primary ATP energy reservoir, creatine
phosphate; the stress hormone and neurotransmitter, adrenaline; the
neuronutrient and chief membrane phospholipid, phosphatidyl choline; and the DNA
bases methyladenine and methylcytosine, among many other critical methyl
biochemicals (3).
The transsulfuration
pathway starts with the "leftovers" from transmethylation-
S-Adenosylhomocysteine (SAH). SAH yields homocysteine, which will (hopefully) be
converted to cysteine and then to a family of key sulphur biochemicals-
glutathione (GSH), GSH peroxidase, GSH-S-transferase, and taurine. SAMe also
provides the sulphur for the important cartilage building blocks, glucosamine
sulphate and chondroitin sulphate. GSH, GSH compounds and taurine play critical
life-preserving roles in liver detoxification- both of foreign toxins and those
produced by our normal metabolism.
Because dietary cysteine
is low in many (especially vegetarian) foods, and because as much as 80% of
dietary cysteine may lose its bioactive sulfhydryl groups passing through the
stomach, SAMe provides the main source of cysteine for life-essential GSH
production (3,4).
Aminopropylation reactions
utilizing SAMe convert putrescine to spermidine and sepermine, two polyamines
which play key roles in cell growth and differentiation and the stabilizing of
DNA and RNA.
Methylthioadenosine (MTA)
is a major beneficial by-product of polyamine production. MTA possesses powerful
analgesic and anti-inflammatory properties, and is at least partly responsible
for the superb clinical results achieved in treating osteoarthritis, rheumatoid
arthritis and fibromyalgia with SAMe (1,5,6).
Yet in spite of SAMes
critical importance to optimal human health, SAMe metabolism can be
"derailed" in many ways. Deficiencies of any of the active coenzyme
forms of vitamins B2, B6, B12 and folic acid will disrupt SAMe production, and
conversely diminished SAMe production will impair conversion of folic acid and
B12 to their coenzyme forms!
Furthermore impaired
B6-B12-folate-SAMe metabolism will lead to the blood/ cellular accumulation of
the heart/ artery toxic metabolite homocysteine.
Homocysteine is now commonly
accepted by the medical community as one of the most important risk factors for
heart and artery disease- far more important than the more frequently touted
cholesterol- heart disease risk (7). The two enzymes necessary to convert homocysteine to
cysteine and ultimately to the detoxicant glutathione (GSH), are two that
commonly suffer slight genetic abnormalities that may impair normal cysteine/
GSH production, especially when dietary B6 is low (7).
SAMe- the findings and
studies
Naturally occurring tissue levels of SAMe show a marked decrease in older rats
compared with younger animals.
Similar findings with
humans show decreased blood SAMe levels with aging, dementia, liver disease,
alcoholism and depression (2).
Fortunately, in 1974 a
stabilized form of SAMe- SAMe sulphate-paratouluene sulphonate- was introduced
into clinical use in Europe.
In the intervening years
SAMe has been given, both orally and intravenously, to tens of thousands of
patients, with great clinical success and extremely minimal side effects. A 1987
review of studies on SAMe treatment in osteoarthritis found 22,000 patients
enrolled in clinical trials just in the previous 5 years! (5)
SAMe is one of the most
well studied and well proven life-enhancement "drugs" (actually a key
cellular nutrient) available. "SAMe can be considered a safe drug; no
toxicity was ever evidenced even at much higher doses than the therapeutic ones,
and signs of damage to the gastrointestinal [lining] were not observed."
(1)
"SAMe was very well
tolerated so that it was possible to administer the compound for long periods
(up to 24 months without side effects). The majority of patients in this long
term trial experienced improvement [of their osteoarthritis], and none had to
stop the treatment for the appearance of side effects." (5)
"The current study
demonstrates that the [intestinal lining] tolerates SAMe as well as it does
distilled water. Previous human and animal studies showed that SAMe may exert
a cytoprotective effect on the [stomach lining] against aspirin- and
ethanol-induced injury." (8)
"In conclusion, SAMe,
because of its analgesic properties and lack of major side effects, deserves to
be ranked among the most adequate drugs for the management of
osteoarthritis." (9)
These are just a few of
the many reports attesting to the efficacy and safety of SAMe.
SAMe- who might
benefit?
1. People suffering from
cirrhosis, chronic liver disease, alcoholic liver damage, toxic chemical
exposure, NSAID-liver damage, estrogen induced liver problems, bile disorders,
and environmental chemical hypersensitivity may all benefit from SAMe, as well
as possibly suffer from SAMe metabolism "bottlenecks." (10,11,12)
2. People
who suffer from osteoarthritis, rheumatoid arthritis, fibromyalgia, joint
injuries and osteoporosis may all benefit from SAMe. SAMe stimulates
chondrocytes to increase production of new cartilage, Unlike NSAIDS (aspirin,
ibuprofen, etc.) chronically consumed by many joint inflammation/ degeneration
sufferers, which actually INHIBIT proteoglycan synthesis needed to renew
cartilage and synovial fluid (5). Furthermore SAMe is actually protective of the
stomach lining, while NSAIDs tend to damage and irritate the gut lining with
chronic use (8).
3. People
suffering from depression, especially people who cannot tolerate standard
antidepressant drugs (e.g. tricyclics, SSRIs, etc.), or who have minimal or no
response to them (2,13,14).
SAMe has been shown to
significantly increase cerebrospinal fluid levels of HVA and 5HIAA, the chief
metabolites of dopamine and serotonin, two key biogenic amine antidepressant
neurotransmitters. This is evidence of SAMes enhancing brain biogenic amine
metabolism and activity (2).
SAMe has also shown
considerable efficacy in treating depression secondary to chronic diseases such
as arthritis, fibromyalgia, liver disease and alcoholism (5,6).
4. People
suffering from chronic gastrointestinal lining irritation or ulceration, whether
from alcohol abuse chronic NSAID use, chemical irritation, or unknown cause (8).
5. People
who are concerned with their heart/ artery disease risk due to elevated blood
levels of homocysteine. SAMe activates the key B6-dependant enzyme,
cystathionine synthase, which helps convert toxic homocysteine to the beneficial
detoxifiers cysteine, N-Acetylcysteine, glutathione and taurine (7,8).
6. People
wishing to protect their brains from the entrophy of aging, or who are in
early stages of dementia (15). SAMe helps maintain youthful neuronal membrane
ratios of phosphatidyl choline; cholesterol. This promotes more optimally fluid
membranes, which in turn promotes optimal hormonal, neurotransmitter and
electrical neuron signal reception and processing (2).
SAMe also possesses
mood-elevating and behaviorally arousing effects, due to SAMe increased
dopamine/ serotonin activity and to a selective excitatory action on cortical
neurons in the brain (2). Also because neurons are so toxin sensitive, SAMes
ability to enhance liver detoxification also protects the brain in our
over-chemicalized modern world.
SAMe- the dosages and
uses
SAMe has been given orally in doses ranging from 400mg/ day (16) to 1600mg/ day
(13). SAMe is usually given in two or three doses daily, with 10AM and 3PM being
a common time for twice-daily administration (13).
Starting with low dose
(200-300mg) twice daily and slowly working up to higher doses if needed is the
best strategy. Because SAMe tablets are enterically coated, they should
NOT be cut in half to achieve a lower dose- the SAMe may then break down before
absorption.
SAMe- the side effects
In general, side effects in SAMe studies are few and mild. In some studies, SAMe
induced fewer or less serious side effects than placebo! For example, in a
double-blind study with 734 people comparing SAMe with the NSAID Naproxen and
placebo, 10 people withdrew from the study due to side effects from SAMe,
compared to 13 from placebo and 17 from Naproxen side effects (9).
In a double blind study
using SAMe to treat depression, there were five reported side effects from SAMe
(three in one patient) versus six reported due to placebo (13). The most
commonly reported side effects are gastrointestinal- primarily heartburn, nausea
and stomachache (16). However, the GI effects seem to be mediated through the
brain- they are NOT the result of direct GI tract irritation. Indeed, SAMe
actually inhibits and protects against GI lining damage and irritation
apparently through formation of non-protein sulphur compounds (e.g. glutathione)
in the GI lining.
The other occasionally
reported side effect of SAMe is mania or hypomania- (excessive mood elevation
and over-stimulation). This side effect is reported far more rarely than the GI
side effects. SAMe-induced mania may on rare occasions be serious enough to
warrant lithium treatment to end the mania.
SAMe- synergists
In order to maximize the effectiveness of the interlocking SAMe pathways, folic
acid (0.4mg to 1mg per day), vitamin B12 (0.1mg to 1mg per day), vitamin B6
(10mg to 100mg per day), and vitamin B2 (5mg to 50mg per day) may be useful, and
indeed supplementing at least the lower levels of the vitamins just mentioned is
probably wise for safe and effective long-term SAMe use.
The methyl donor,
trimethyglycine (TMG), also called "glycine betaine," can help to
convert dietary and cellular methionine into SAMe, possibly reducing the dose of
oral SAMe needed to achieve results. 1-2 grams TMG, two or three times daily,
is probably the minimum "serious" dose. These five SAMe-metabolism
optimizing nutrients will also aid in reducing blood levels of the toxic SAMe
metabolite homocysteine.
People taking SAMe as part
of a long-term brain
protection program may also
wish to add the following to their SAMe program:
phosphatidyl-choline (1-10 grams daily)
vitamin E (400 IU to 800 IU daily)
and deprenyl (1 to 5mg daily).
Those taking SAMe for depression
might benefit by adding the following to their SAMe program:
tryptophan (500mg to 1500mg daily at bedtime)
5-hydroxy-tryptophan [5-HTP] at 50mg to 200mg daily at bedtime, or
deprenyl (1-5mg daily).
For those taking SAMe for
joint degeneration/ cartilage problems:
glucosamine sulphate (500mg to 2000mg daily)
chondroitin sulphate (500mg to 2000mg daily)
vitamin C (1 to 3 grams daily)
lysine (1 to 3 grams daily)
manganese (5 to 20mg daily)
may prove useful SAMe synergists.
Those taking SAMe
for liver problems or to aid liver detoxification might benefit by adding the
following to their SAMe program:
lipoic acid (100mg to 500mg daily)
silymarin (400mg to 1000mg daily)
vitamin C (1 to 3 grams daily)
selenium (50mcg to 200mcg daily)
vitamin E (100IU to 400IU daily)
N-Acetylcysteine (NAC- 400mg to 1200mg daily)
References
(1). G. Stramentinoli (1987) "Pharmacologic aspects of [SAMe]" Am J
Med 83 (suppl 5A), 35-42.
(2). R. Baldessarini
(1987) "Neuropharmacology of [SAMe]" Am J Med 83 (suppl 5A), 95-103.
(3). C. Mathews & K.
van Holde, Biochemistry, pp. 708-715, Redwood City, CA: Benjamin/ Cummings Pub.
Co. (1990).
(4). L. Bonanomi & A.
Gazzaniga (1980) "Toxicological, Pharmacokinetic and Metabolic Studies on
Acetylcysteine" Eur J Repir Dis 61, 45-51.
(5). C. di Padova (1987)
"[SAMe] in the treatment of osteoarthritis" Am J Med 83 (suppl 5A),
60-65.
(6). A. Tavoni et al,
(1987), "Evaluation of [SAMe] in Primary Fibromyalgia" Am J Med *3
(sippl 5A), 107-110.
(7). K. McCully, The
Homocysteine Revolution, New Canaan CT; Keats (1997).
(8). O. Laudonno (1987)
"Cytoprotective effect of [SAMe] compared with Misoprostol against
gastric damage" Am J Med 83 (suppl 5A), 43-47.
(9). I. Caruso & V.
Pietrogrande (1987) "... Comparing [SAMe], Naproxen and placebo in the
treatment of degenerative joint disease" Am J Med 83 (suppl 5A), 66-71.
(10). M. Frezza et al,
(1988) "Prevention by [SAMe] of estrogen induced hepatobiliary toxicity
in... women" Am J Gastroent 83, 1098-1102.
(11). G. Vendemiale et al,
(1989) "Effects of oral [SAMe] on hepatic glutathione.. liver disease"
Scand J Gastroent 24, 407-14.
(12). F. Corrales et al,
(1991) "Inhibition of glutathione synthesis in the liver leads to [SAMe]
synthetase reduction" Hepatol 14, 528-33.
(13). B. Kagan et al,
(1990) "Oral [SAMe] in depression: a... double-blind, placebo controlled
trial" Am J Psychiat 147, 591-95.
(14). E. Reynolds et al,
(1984) "Methylation and mood" Lancet II, 196-98.
(15). L. Morrison et al,
(1996) "Brain [SAMe] levels are severely decreased in Alzheimers
disease" J Neurochem 67, 1328-31.
(16). B Konig (1987)
"A long term (2 years) clinical trail with [SAMe] for the treatment of
osteoarthritis" Am J Med 83, (suppl 5A), 89-94.
ALL INFORMATION IS
EDUCATIONAL AND
SHOULD NOT REPLACE THE ADVICE OF YOUR PHYSICIAN.
The above article is copyrighted and
may not be copied without the written permission of International Antiaging
Systems, Les Autelets Suite A, Sark GY9 0SF,
Channel Islands, UK.
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SAMe (S-Adenosylmethionine) and Fibromyalgia
Fibromyalgia is one of those mysterious syndromes that can either occur by itself, or accompany other diseases such as lupus and chronic fatigue
immune dysfunction syndrome. The main feature of fibromyalgia is persistent pain-not necessarily in the joints, but deep in muscles-that occurs for no
apparent reason. The symptoms of fibromyalgia include tenderness at several points of the body. In addition, people with fibromyalgia frequently have
fatigue, sleep disturbances, numbness, joint swelling, and other symptoms.
It is often treated with tricyclic antidepressants. It has been suggested by several researchers that SAMe might be a good
substitute for tricyclic antidepressants for the treatment of fibromyalgia. Several studies have proven them right. In a study in the Scandanavian
Journal of Rheumatology, 800 mg of SAMe per day for six weeks improved "clinical disease activity", pain, and morning stiffness. Mood improved
when measured by the Face Scale, but there was no signficant improvement on the Beck Depression Inventory.
An earlier study did find, however, significant improvement on the HAM-D and the Scala di Autovalutazione per la Depressione in 11 of 17
fibromyalgia patients taking SAMe. Another study compared SAMe to transcutaneous electrical nerve stimulation
(TENS). Fifteen patients with primary fibromyalgia were given one 200 mg injection of SAMe in the morning, plus a 200 mg tablet at noon and in the
evening. The study lasted 6 weeks. During the first 2 weeks, patients in the SAMe group had a significant decrease on two depression scales. During
the last 2 weeks, a significant reduction on a third scale occurred. The TENS patients did not do as well. But when 5 of them switched to SAMe,
their depression scores also decreased. No side effects were reported. A study published in Current Therapeutic Research found that a 200 mg
injection of SAMe plus 400 mg orally twice a day significantly decreased depression in fibromyalgia patients beginning on day 7. This coincided with
a decrease in physical symptoms.
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An Italian firm developed SAMe as a pharmaceutical in the 1970s, but perhaps because obtaining drug approval
in the U.S. is a long and arduous process, they didn't pursue it. Although the product has not undergone the rigorous investigation of
FDA approval, SAMe is not "untested." Many clinical trials in Europe with thousands of patients have shown it to be as effective as traditional
treatments for arthritis and depression. Doctors have been prescribing it for over 20 years in more than a dozen countries where it is approved as a
drug.
Does SAMe Ease Depression?
In the human body, SAMe works as a methyl donor, which affects more than 30 different chemical reactions, including certain mood-enhancing brain
chemicals like seratonin. Although research has revealed several possible theories of how
SAMe works to improve mood, the exact mechanism is not known. As stated in a July 1999 article in Newsweek, "Whatever the
mechanism, there is little question that SAMe can help fight depression."
In the last two decades, 40 clinical studies have been published with about 1400 patients. Although the number of patients is small compared to FDA
approval requirements, the results have been consistent. In 1994, a psychiatrist at the University Cattolica Sacro Cuore in Rome compiled
results from a dozen controlled trials and concluded that SAMe's effectiveness in treating depression "is superior [to] that of placebo and
comparable to that of standard antidepressants." (Source: Newsweek)
An article from Pro Health, an online seller of SAMe, cites the existence of over one hundred published studies demonstrating the effectiveness of
SAMe in treating depression. This number probably includes both European clinical trials and the smaller research studies conducted in the U.S. Some
research suggests that SAMe may work faster than conventional antidepressants, which often take several weeks to become effective. For
example, Pro Health cites a small 1988 study at the University of California, Irvine of eighteen patients hospitalized for depression. In
this study, intravenous SAMe was compared to oral imipramine (Tofranil), a commonly prescribed antidepressant. By the end of the second week, 66% of
the patients on SAMe had improved by at least 50%, while improvement was reported by only 22% of the imipramine group.
SAMe isn't the first supplement to receive attention as a "mood booster." St. John's Wort was touted as a "natural antidepressant," but its
limitations have gradually become more apparent. While St. John's Wort may effectively relieve mild to moderate depression,
SAMe has been tested with far more serious disorders. The Newsweek article cited another small study
at UCI, which tested severely depressed patients on a four-week trial of either
SAMe or desipramine (a pharmaceutical antidepressant). The SAMe recipients showed a slightly higher response rate (62%) compared to those
on desipramine (50%). While the studies conducted thus far seem to indicate that
SAMe may be as effective as traditional antidepressants, research has revealed fewer side
effects, particularly as compared to the older drugs (tricyclics and MAO inhibitors) commonly used before the availability of SSRIs like Prozac and
Zoloft. Reported side effects of SAMe have included mild stomach upset and headache, although frequently these symptoms go away after a couple of
weeks. Although SAMe has been used to treat many types of depression, there is at least one exception. Those with bipolar disorder (commonly
called manic depression) should avoid SAMe because it can induce mania in people with the disorder.
Does SAMe Ease Pain?
According to Newsweek, almost one-third of the 40 million Americans with joint pain use nonsteroidal anti-inflammatory drugs (NSAIDs) like aspirin
or ibuprofen. The problem with these drugs is that they can have severely damaging gastric side effects. And they may actually worsen people's joint
problems in the long run, since they slow the production of collagen and proteoglycans, which help make cartilage an effective shock absorber. Can
SAMe provide an alternative? SAMe was first given to patients for treatment of depression, but when
some people began reporting relief from joint pain due to osteoarthritis, researchers started to study the use of
SAMe to treat pain. In a dozen clinical trials with more than 22,000 patients,
SAMe has been found to be as effective as NSAIDs in treating pain and inflammation. Unlike the
NSAIDs, SAMe shows no signs of damaging the digestive tract. Some preliminary evidence indicated that it may actually help restore cartilage.
Medical experts from the Arthritis Foundation have stated that they are satisfied that
SAMe "provides pain relief" but not that it "contributes to joint health."
While few studies have been conducted specifically with Fibromyalgia patients, Pro Health cites one study of 47 Fibromyalgia patients that demonstrated a
significant reduction in tender points. In this study, patients were treated with daily intramuscular injections of 200mg of
SAMe, in addition to taking 400mg orally.
Important Instructions
While studies suggest that 400mg a day is an effective dose for arthritis, dosages for depression range as high as 1600mg. It is typically recommended
that you start with a dose of 400mg per day and then increase after a few days
if results are not seen from 400 mg. Experts advise taking it twice a day on an empty stomach.
DISCLAIMER; ALL INFORMATION IS EDUCATIONAL AND SHOULD NOT REPLACE THE ADVICE OF YOUR PHYSICIAN.
The above article is copyrighted and may not be
copied without the written permission of International Antiaging Systems, Les
Autelets Suite A, Sark GY9 0SF, Channel Islands, UK.
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