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Milkthistle


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#1 greenacres

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Posted 28 March 2010 - 03:27 PM

One of the others ill be running this summer here..i have Hep-C so this helps me with my liver dying a bit slower than it is. ive been sick for about 8 years now and i am able to keep my AST and ALT counts down enough that i still dont qualify for the treatment.

Milk thistles are thistles of the genus Silybum Adans., flowering plants of the daisy family (Asteraceae). They are native to the Mediterranean regions of Europe, North Africa and the Middle East. The name "milk thistle" derives from two features of the leaves: they are mottled with splashes of white and they contain a milky sap. However, it is the seeds of milk thistle that herbalists have used for 2000 years to treat chronic liver disease and protect the liver against toxins.Increasing research is being undertaken on the physiological effects, therapeutic properties and possible medical uses of milk thistle.


Nomenclature

Traditional milk thistle extract is made from the seeds, which contain approximately 4-6% silymarin.The extract consists of about 65-80% silymarin (a flavonolignan complex) and 20-35% fatty acids, including linoleic acid. Silymarin is a complex mixture of polyphenolic molecules, including seven closely related flavonolignans (silybin A, silybin B, isosilybin A, isosilybin B, silychristin, isosilychristin, silydianin) and one flavonoid (taxifolin).Silibinin, a semipurified fraction of silymarin, is primarily a mixture of 2 diasteroisomers, silybin A and silybin B, in a roughly 1:1 ratio In clinical trials silymarin has typically been administered in amounts ranging from 420-480 mg per day in two to three divided doses, However higher doses have been studied, such as 600 mg daily in the treatment of type II diabetes and 600 or 1200 mg daily in patients chronically infected with hepatitis C virus.. An optimal dosage for milk thistle preparations has not been established.

Health benefits

For many centuries extracts of milk thistle have been recognized as "liver tonics.". Research into the biological activity of silymarin and its possible medical uses has been conducted in many countries since the 1970s, but the quality of the research has been uneven. Milk thistle has been reported to have protective effects on the liver and to greatly improve its function. It is typically used to treat liver cirrhosis, chronic hepatitis (liver inflammation), toxin-induced liver damage (including the prevention of severe liver damage from Amanita phalloides (death cap) mushroom poisoning), and gallbladder disorders. Reviews of the literature covering clinical studies of silymarin vary in their conclusions. A review using only studies with both double-blind and placebo protocols concluded that milk thistle and its derivatives "does not seem to significantly influence the course of patients with alcoholic and/or hepatitis B or C liver diseases." A different review of the literature, performed for the U. S. Department of Health and Human Services, found that, while there is strong evidence of legitimate medical benefits, the studies done to date are of such uneven design and quality that no firm conclusions about degrees of effectiveness for specific conditions or appropriate dosage can yet be made.
A review of studies of silymarin and liver disease which are available on the web shows an interesting pattern in that studies which tested low dosages of silymarin concluded that silymarin was ineffective, while studies which used significantly larger doses concluded that silymarin was biologically active and had therapeutic effects.

#2 greenacres

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Posted 28 March 2010 - 03:28 PM

Toxin-induced liver damage

Research suggests that milk thistle extracts both prevent and repair damage to the liver from toxic chemicals and medications. Workers who had been exposed to vapors from toxic chemicals (toluene and/or xylene) for 5-20 years were given either a standardized milk thistle extract (80% silymarin) or placebo for 30 days. The workers taking the milk thistle extract showed significant improvement in liver function tests (ALT and AST) and platelet counts vs. the placebo group.
The efficacy of silymarin in preventing drug-induced liver damage in patients taking psychotropic drugs long-term has been investigated . This class of drugs is known to cause liver damage from oxidation of lipids. Patients taking silymarin in the study had less hepatic damage from the oxidation of lipids than patients taking the placebo.
In a 2009 study published in the journal Cancer, milk thistle showed promise in reducing the liver damaging effects of chemotherapy in a study of 50 children.


Amanita mushroom poisoning

The efficacy of thirty different treatments was analyzed in a retrospective study of 205 cases of Amanita phalloides (death cap) mushroom poisoning. Both penicillin and hyperbaric oxygen independently contributed to a higher rate of survival. When silybin [silibinin] was added to the penicillin treatment, survival was increased even more. In another 18 cases of death cap poisoning, a correlation was found between the time elapsed before initiation of silybin therapy, and the severity of the poisoning. The data indicates that severe liver damage in Amanita phalloides poisoning can be prevented effectively when administration of silybin begins within 48 hours of mushroom intake. In a recent 2007 event, a family of six was treated with milk thistle and a combination of other treatments to save them from ingested poisonous mushrooms. While five of the six made a full recovery, the grandmother showed liver recovery but was overcome by kidney failure related to the poisonous mushrooms.



Other uses

Beside benefits for liver disease, other unproven treatment claims include:

  • Used as a post (oral steroid) cycle therapy for body builders and/or in the hopes of reducing or eliminating liver damage
  • Lowering cholesterol levels
  • Reducing insulin resistance in people with type 2 diabetes who also have cirrhosis
  • Reducing the growth of cancer cells in breast, cervical, and prostate cancers.
  • Used in many products claiming to reduce the effects of a hangover
  • Used by individuals withdrawing from opiates, especially during the Acute Withdrawal Stage.
  • Used by those taking oral steroids
  • Reducing liver damaging effects of chemotherapeutic drugs




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