BCAA’sThe Elixir of Life?
Supplements to enhance
sport performance in the form of branched chain amino acid (BCAA) is now an
industry worth many millions of dollars. And there is a solid scientific basis
underpinning the performance claims that are made for them.
They are
probably one of the most overlooked and most effective supplements for anyone
who wants or needs to build up muscle and increase sporting or physical
performance or simply to help lessen muscle breakdown during intense exercise. They can also offer an advantage to older
people where muscle atrophy can be delayed with the use of Amino acids that are
central to promoting muscle growth. Thirty Five per cent of our muscles are
made up of BCAAs and they have to be present to allow muscles to grow and
retain water.
A recent
study that showed the remarkable affect that BCAA had had on laboratory mice,
not only in extending their lives but in making their motor skills and other
elements of their performance much better.
The article prompted headlines at that time in the Daily
Mail claiming that these Body builder protein powders 'could increase life
expectancy by 10 years' and the debate about the properties of BCAA has never
been far from the news since that time.
Often referred to as the Elixir of life, in powder form it could be sprinkled on
porridge or stirred into a milky drink, it has the capacity to strengthen weak
and worn muscle, which in turn will help to lessen the risk of fractures or
painful tumbles in later years. Another benefit derived from the supplement,
when it is taken in later years, is the energy boost that it could give to
people suffering from breathing and respiratory symptoms as well as heart
problems. Researcher Enzo Nisoli who
conducted the study and whose work was reported in the Daily Mail article said
that he thought that the data they had produced could be seen as an indication
that it was advisable for older people to take the supplement. Professor Nisoli, who is from Brescia
University, gave mice considered to be 'middle-aged' amino acids leucine,
isoleucine and valine with their water. The mice that had been given the
supplement lived, on average, eighty days longer than mice that had had not be
given the supplement. This, if converted
to human terms would mean adding almost another ten years to the average
lifespan of a British male with the extra life expectancy for women being
slightly more.
There has been a lot of study on BCAAs and one study that
was reported in the Examiner concluded that some of the latest findings had
been helpful in providing extra evidence to support diets higher in protein. In
particular whey protein and other forms of BCAAs seem advantageous as part of
an overall healthy lifestyle that might also be useful in losing excess fat and
in dieting.
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Amanda Thomas
UK Health Radio
http://www.cell.com/cell-metabolism/fulltext/S1550-4131%2810%2900304-9
http://www.examiner.com/article/new-studies-show-bcaa-s-pivotal-dieting-and-fat-loss