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The used of amino acids (building blocks
of proteins) as dietary supplements is back in fashion again. The amino
acids cysteine, glutamic acid and glycine combine to form glutathione
which prevents age-related damage to the body.
Glutathione is one of the most important
antioxidants produced by the body during everyday activities.
glutathione is
found in fresh fruit and vegetables but cooking can destroy large
amounts of it. Researchers found that people who lived to be over 100
years old are endowed with high concentrations of glutathione in their
blood and are therefore well protected against aging. Most people over
the age of 60, however, have low glutathione and this makes free radical
damage more likely. One study showed that almost 80 percent of patients
admitted to hospital with chronic disease have low glutathione in their
blood.
Too much fat in the diet increases the
need for glutathione, which struggles to neutralize the fat-related
damage. Scientists use glutathione measurements in the blood to help to
estimate the biological age of the individual.
Glutathione comes in tablet form, but
good natural sources include:
- avocado
- watermelon
- asparagus
- broccoli
- carrots
- tomatoes
- fresh lean red meat
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