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Showing posts with label what are antioxidants. Show all posts
Showing posts with label what are antioxidants. Show all posts

Tuesday, November 10, 2009

Glutathione The Untold Story

Most people know about antioxidants and their role as free radical scavengers. Most people know that examples of antioxidants include Vitamin A, C, E and the mineral selenium. Most people also know that antioxidants neutralize tissue damaging free radicals and remove them from the body.

This is where the story becomes more interesting. Like a good mystery there appears to be another character central to the theme. This character is yet to have a face or even a name, but is somehow key to how this story excitedly unfolds. Glutathione.

Glutathione is the master antioxidant of the body. It is produced in every cell of your body and is key to cellular detoxification. Glutathione is also key to energy production at the mitochondria level helping to convert metabolic processes into stored energy called ATP. These two functions both help optimize cellular function.

The story however takes a bit of a tragic turn. Glutathione levels begin to fall at about the age of 20. There is typically a 1% decline every year as we age. The body’s natural mechanism to detoxify becomes progressively less effective. Cell function begins to depart from optimal. One could hypothesize that age related diseases might have something to do with this. I am reaching for the tissues!

As always knowing more about the story allows the different pieces to fall into place. Thankfully science and research have illuminated yet another central character for us to ponder as we reach for new perspectives to improve our health.

Source: SelfGrowth | Todd Peaceheart

Wednesday, September 2, 2009

Is Lipoic Acid A Powerful Antioxidant?

What has been described as a “universal,” “ideal,” and “metabolic” antioxidant? Lipoic acid or alpha lipoic acid (ALA). It neutralizes free radicals in both the fatty and watery regions of cells. It helps produce the energy for our body’s normal function by converting glucose (blood sugar) into energy. Our bodies produce this fatty acid in small amounts. It occurs naturally in foods like spinach, Brussels sprouts, broccoli, peas, Brewer’s yeast, rice bran and organ meats. ALA is used to treat many serious illnesses.

What makes ALA unique and gives it nutritional value is that it is both water and fat soluble, unlike the more common antioxidants vitamins C and E, and it appears to be able to recycle and extend the metabolic lifespan of antioxidants such as of vitamin C, glutathione, and coenzyme Q10, and it indirectly renews vitamin E. Vitamin C lessens oxidative stress while glutathione helps detoxify the liver. Coenzyme Q10 helps convert food energy into energy inside every cell while vitamin E helps with nerve conduction.

Lipoic acid is used to treat a common complication of diabetes called peripheral neuropathy. It speeds the removal of glucose from the bloodstream, at least partly by enhancing insulin function, and it reduces insulin resistance, the basis of many cases of coronary heart disease and obesity. It significantly and rapidly reduces the frequency and severity of diabetic neuropathy symptoms like burning and sharply cutting pain, prickling sensations and numbness.

Free radical damage is thought to contribute to aging and chronic illness. ALA helps neutralize those harmful chemicals. ALA can cross the blood-brain barrier; a wall of tiny vessels and structural cells, and pass easily into the brain. It is thought to protect brain and nerve tissue by preventing free radical damage and is used to treat Alzheimer’s disease. Because of those reasons, ALA is also used as a nutritional supplement to treat a myriad of other illnesses and diseases like cataracts, hardening of the arteries, hepatitis, glaucoma, multiple sclerosis, high cholesterol levels, and even human immunodeficiency virus (HIV).

Though very few, a small number of side effects have been reported when using lipoic acid as a nutritional supplement. They include muscle cramps, skin rash, tingling or a “pins and needles” sensation, or headache. Because ALA can improve blood sugar control, diabetics who take medication to lower their blood sugar should be monitored by their health care provider when taking ALA. People on thyroid medications should also be under the supervision of their healthcare provider if they take this supplement as it can alter thyroid hormone levels.

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