GLUTATHIONE (GSH)
Glutathione
Glutathione
is the most important natural (endogenous) antioxidant and is found in almost
every cell of the body. It is vital for cell protection as well as for proper
cell function and is, therefore, absolutely essential for maintaining good
health. Glutathione levels are highest in cells of organs in the body that are
most susceptible to toxicity, such as the liver, kidney, lungs, heart, eyes,
skin and brain. Thus, glutathione protects against cell-generated oxygen and
nitrogen free radicals when produced in excess, and the free radicals produced
by exposure to radiation from ultraviolet light, x-, gamma- and cosmic-rays.
Glutathione
not only neutralizes free radicals and reactive oxygen compounds, but maintains
exogenous antioxidants such as vitamins C and E in their reduced (active)
forms. Through direct conjugation, glutathione detoxifies many environmental
carcinogens and toxic xenobiotic (foreign) substances. It also protects against
toxic/carcinogenic pollutants such as cigarette smoke, vehicular exhaust fumes,
and smoke-stack effluents.
Glutathione
is essential for the proper functioning of the endogenous antioxidant enzyme
glutathione peroxidase. Our cell membranes are made up of polyunsaturated
lipids or fats and are susceptible to damage by the reactive oxygen species
(ROS), especially the peroxide radicals. This damage can affect the cell from
getting proper nutrients or waste material out and if not functioning properly
will lead to cellular death. The enzyme glutathione peroxidase detoxifies lipid
peroxides (reactive by-product from oxidation of lipids by free radicals) and
glutathione is a needed co-factor for this enzyme.
Glutathione
is needed for the growth, reproduction and differentiation of lymphocytes and
is essential for a full functioning immune system. Glutathione also plays an
active role in a multitude of metabolic and biochemical reactions, such as DNA
synthesis and repair, protein synthesis, prostaglandin synthesis, amino acid
transport and enzyme activation. Thus, glutathione plays a fundamental role in
maintenance of optimal health.
The
medical and basic science literature describe the importance of glutathione in
many facets of cellular function, especially in maintaining the
reduction/oxidation (redox) balance of cells that can be compromised by
environmental toxins and the stresses of urban lifestyles.
Facts on Glutathione
·
Naturally produced by the body.
·
As we age our glutathione levels
start to decline.1
·
Low glutathione levels are
associated with chronic diseases.
·
Glutathione is found in higher
concentration in organs that are subject to high toxic exposure, such as the
liver, kidney, lungs, skin, eyes and ears.
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