[I can attest to Longevinex's effect, on concentration and energy.]

http://news.prnewswire.com/DisplayReleaseContent.aspx?ACCT=104&STORY=/www/story/\
05-19-2009/0005028648&EDATE=

SAN DIMAS, Calif., May 19 /PRNewswire/ -- While scientists believe they
are on the frontier of discovering technologies that will produce super
longevity, the curse of living longer is looking older. Now a new
resveratrol-based dietary supplement - Longevinex Advantage(R) - has
been designed for adults who want to live longer and look younger.

Hair withers, skin wrinkles, joints creak, the voice becomes raspy.
Selling longevity has a downside, the inevitable loss of youthful
appearance and function, says Bill Sardi, spokesperson for Longevinex(R).

The lifespan of humans will still be shortened if connective tissue -
the extracellular "goo" that occupies space in between cells - is not
maintained.

Furthermore, as connective tissue ages, internal organs such as heart
and arteries begin to collapse and lose their elasticity, which still
means a rather limited lifespan, says Sardi.

Infants and young females (due to estrogen) have abundant levels of
hyaluronan and exhibit soft skin, scarless wound healing, thick hair and
extra-flexible joints - the visible signs of youthfulness.

A unique source of pure oral hyaluronan is provided which stimulates
fibroblast cells in the body to produce more hyaluronan, along with
molecules like resveratrol, quercetin, anthocyanins, catechin and
ferulic acid (all known as red wine molecules) that inhibit the enzyme
that breaks down hyaluronan (hyaluronidase) and helps to maintain
hyaluronan once it is produced.

In response to a report in AARP Magazine that an anti-aging pill appears
to be on the horizon, most senior Americans responded in an online poll
by saying they would not take such a pill because it would increase the
quantity of life without maintaining the quality of life. The advent of
a dietary supplement like Longevinex Advantage(R) that puts "more life
in your years rather than just years in your life" is likely to be more
broadly welcomed, says Sardi.

Just look at the number of people who use hair dye, skin creams, wear
contact lenses, and elect to undergo plastic surgery, in an effort to
retain a youthful appearance. Compare that to the few who practice
calorie restriction or take an anti-aging pill to prolong their
lifespan, says Sardi.

Twenty-five percent of Americans today will live beyond the age of 92.
Many Americans have begun to take resveratrol pills like Longevinex(R)
in hopes of extending their lives another 20 to 30 healthy years.
Biologists now say the 120-year lifespan may soon become the norm.

Longevinex(R) has also been shown to reduce markers of oxidation and
inflammation in a study of endurance athletes. So far, it is the only
resveratrol-based supplement to undergo testing.