Isotonic?

I used to use Isostar as a isotonic drink, but Tesco has stopped stocking it and I bought BIO
SYNERGY PURE ENERGY as a replacment. Last week, whilst wild camping in the Beacons, I added Iodine
drops to my drinking bladder and the contents went almost black. Schoolboy chemistry tells me that
iodine stains starch black , starch is carbohydrate, therefore this drink is feeding me
carbohydrates that i don't want , or do I? I'm a lardy fat git and I don't want to be taking
calories if I just think I'm replacing fluid, what sort of product should I be looking for?

--
Marc Stickers,decals,membership,cards, T shirts, signs etc for clubs and associations of all types.
http://www.jaceeprint.demon.co.uk/

"marc" <marc@jaceeprint.demon.co.uk> wrote in message
news:1fziwy9.13iiuicnhq6fxN%marc@jaceeprint.demon.co.uk...
> I used to use Isostar as a isotonic drink, but Tesco has stopped stocking it and I bought BIO
> SYNERGY PURE ENERGY as a replacment. Last week, whilst wild camping in the Beacons, I added Iodine
> drops to my drinking bladder and the contents went almost black. Schoolboy chemistry tells me that
> iodine stains starch black , starch is carbohydrate, therefore this drink is feeding me
> carbohydrates that i don't want , or do I? I'm a lardy fat git and I don't want to be taking
> calories if I just think I'm replacing fluid, what sort of product should I be looking for?

AIUI 'Isotonic' drinks should have water, some sugars and some salts. Adding some more complex
carbohydrates (e.g. starches) may assist in the digestion of the drinks -- though I am no
expert here.

Since the drink is advertised as an ENERGY drink it seems strange that you should think it will be
calorie free -- calories are, after all, energy.

How do you think 'top atheletes' go 30% longer on Lucozade? Its the extra sugars that keep the
little lab rats running.

If you want to rehydrate why not drink water -- its cheaper than these fancy pops.

If you want something that tastes nicer and gives you a bit of a pick up mix water 50/50 with your
favourite fruit juice -- that will put it somewhere near the isotonic (i.e. balanced with you body
fluids). Chuck in a little salt if you have been sweating hard (but not so much that it begins to
taste noticeably).

T

"marc" <marc@jaceeprint.demon.co.uk> wrote in message
news:1fziwy9.13iiuicnhq6fxN%marc@jaceeprint.demon.co.uk...
> I used to use Isostar as a isotonic drink, but Tesco has stopped stocking it and I bought BIO
> SYNERGY PURE ENERGY as a replacment. Last week, whilst wild camping in the Beacons, I added Iodine
> drops to my drinking bladder and the contents went almost black. Schoolboy chemistry tells me that
> iodine stains starch black , starch is carbohydrate, therefore this drink is feeding me
> carbohydrates that i don't want , or do I? I'm a lardy fat git and I don't want to be taking
> calories if I just think I'm replacing fluid, what sort of product should I be looking for?

Water? Some no-sugar squash and maybe a bit of salt?

Anything with 'Pure Energy' in the name really ought to have calories, as calories = energy.

Does Isostar not contain sugar then?

cheers, clive

Tony W <tonyREMOVE@chapmore.co.uk> wrote:

> > I used to use Isostar as a isotonic drink, but Tesco has stopped stocking it and I bought BIO
> > SYNERGY PURE ENERGY as a replacment. Last week, whilst wild camping in the Beacons, I added
> > Iodine drops to my drinking bladder and the contents went almost black. Schoolboy chemistry
> > tells me that iodine stains starch black , starch is carbohydrate, therefore this drink is
> > feeding me carbohydrates that i don't want , or do I? I'm a lardy fat git and I don't want to
> > be taking calories if I just think I'm replacing fluid, what sort of product should I be
> > looking for?
>
>
> AIUI 'Isotonic' drinks should have water, some sugars and some salts. Adding some more complex
> carbohydrates (e.g. starches) may assist in the digestion of the drinks -- though I am no
> expert here.
>
> Since the drink is advertised as an ENERGY drink it seems strange that you should think it will be
> calorie free -- calories are, after all, energy.

To be hoenst there wasn't a great deal of "thinking" behind the purchase, it was in the same place
that Isostar used to be....

--
Marc Stickers,decals,membership,cards, T shirts, signs etc for clubs and associations of all types.
http://www.jaceeprint.demon.co.uk/

> > I'm a lardy fat git and I don't want to be taking calories if I just think I'm replacing fluid,
> > what sort of product should I be looking for?
>
> Water? Some no-sugar squash and maybe a bit of salt?
>
> Anything with 'Pure Energy' in the name really ought to have calories, as calories = energy.
>
> Does Isostar not contain sugar then?

I really have no idea, the question never occured to me until the black platypus incident

--
Marc Stickers,decals,membership,cards, T shirts, signs etc for clubs and associations of all types.
http://www.jaceeprint.demon.co.uk/

Isostar is a isotonic drink (i.e. same concentration) that helps you hydrate by being at the same or a similar concentration as your blood.

The other drink is an 'energy drink' (its hypertonic) and contains carbohydrate to stop you getting the knock.

Different drinks for different jobs!!!

Even though you are lardy, you will still get the knock after a period of moderate to hingh intensity activity because your carbohydrate stores are limited.

Use isotonic drinks when dehydration is a problem and carbohydrate drinks (high five, psp 22, maxim, etc.) when the knock (glycogen depletion) is going to be a problem.

marc wrote:

>
>
>>>I'm a lardy fat git and I don't want to be taking calories if I just think I'm replacing fluid,
>>>what sort of product should I be looking for?
>>
>>Water? Some no-sugar squash and maybe a bit of salt?
>>
>>Anything with 'Pure Energy' in the name really ought to have calories, as calories = energy.
>>
>>Does Isostar not contain sugar then?
>
>
> I really have no idea, the question never occured to me until the black platypus incident

check here - you're taking nothing now you weren't before:

http://www.isostar.com/public/content/fun_sports6.htm

--
Dnc

On Mon, 11 Aug 2003 10:59:40 +0000, marc@jaceeprint.demon.co.uk (marc) in
<1fziwy9.13iiuicnhq6fxN%marc@jaceeprint.demon.co.uk> wrote:

>I used to use Isostar as a isotonic drink, but Tesco has stopped stocking it and I bought BIO
>SYNERGY PURE ENERGY as a replacment. Last week, whilst wild camping in the Beacons, I added Iodine
>drops to my drinking bladder and the contents went almost black. Schoolboy chemistry

The only really essential electrolyte in an isotonic solution (over the short term) is sodium, which
is most easily provided as sodium chloride. To be in balance with your body fluid you need aprox
130-140mmol/l NaCl (which is equal to approx 9g NaCl in 1000ml of water).

A solution such as this will be absorbed into your body relatively slowly since it relies on
diffusion only.

If you want more rapid hydration then you need to introduce some kind of system whereby the sodium
is absorbed into the body in a kind of mechanical way. This is where the glucose comes in. Glucose
can actally carry sodium into the body (like giving it a piggy back) and the result is more rapid
hydration. This is called (I think) facilitated transport.

The world health organisation used to advocate an oral rehydration treatment consisting of a pint of
water, 6 spoons of sugar and 1 spoon of table salt, which is an approximately isotonic solution,
with the added benefit of energy and rapid hydartion.

Some standard fluids used in medicine are:

.9% NaCl (9g NaCl in 1000ml water) .45% NaCl + 5% glucose (4.5g Nacl + 50g glucose in 1000ml water)
.18% NaCl + 4% glucose (1.8g Nacl + 40g glucose in 1000ml water)

They are not all isotonic but they allow rapid hydration of cells.

For absorbtion from your stomach, fluids containing higher concentrations of glucose will
work better.

Love and molecules from Rich x

--
If ingnorance is bliss then I am the erm er luckiest thingy in the whatchamacallit. To mail me,
change the obvious bit to richard