Why is it supposedly only water that's good for hydration?

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Why is it supposedly only water that's good for hydration?

Post by Noggin »

I do normally drink quite a lot of water - no squash or juice or anything in it. But since being here I tend to drink more decaff tea (and now some infusion type thingies too)

I did get 'that' look from someone the other day because I said I drink a lot of decaff tea and some water at the moment but I figured that was ok as it was decaff tea not caffeine

I do get that caffeine type drinks aren't going to be the best. And probably very sugary ones too.

I know over the years I've read and heard people say that 'only water is good for hydrating' - but why ??
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Re: Why is it supposedly only water that's good for hydration?

Post by Count Steer »

Other drinks are fine inc. decaff tea according to the NHS.

https://www.nhs.uk/live-well/eat-well/f ... nutrition/

The 'water only' message is probably pushed by bottled water companies and sellers of fancy water bottles. :lol:

(In fact, if you're very active it's better if it's a dilute electrolyte drink - a pinch of salt and a splash of fruit juice in water is enough. Martina Navratilova called it 'Quick-fix' and it's from Robert Haas's book 'Eat to Win').
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Re: Why is it supposedly only water that's good for hydration?

Post by KungFooBob »

I don't drink water, fish piss in it.
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Re: Why is it supposedly only water that's good for hydration?

Post by Cousin Jack »

I am much the same. Large % of my daily intake is black tea or black coffee, both with no sugar. The hospital nutritionist was quite happy with that.
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Re: Why is it supposedly only water that's good for hydration?

Post by JackyJoll »

There didn’t used to be rules about drinking water or not drinking water.

Are you thirsty? I think that’s relevant.
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Re: Why is it supposedly only water that's good for hydration?

Post by Noggin »

Count Steer wrote: Fri Jan 23, 2026 4:45 pm Other drinks are fine inc. decaff tea according to the NHS.

https://www.nhs.uk/live-well/eat-well/f ... nutrition/

The 'water only' message is probably pushed by bottled water companies and sellers of fancy water bottles. :lol:

(In fact, if you're very active it's better if it's a dilute electrolyte drink - a pinch of salt and a splash of fruit juice in water is enough. Martina Navratilova called it 'Quick-fix' and it's from Robert Haas's book 'Eat to Win').
I think I'm rarely "that" active :lol: :lol: BUT at weekends I time my drinking to avoiding needing to stop whilst doing a transfer, so I do tend to have hydrating tabs at home to put in a pint of water once I get home :)

In general, I think I'm usually ok apart from those very long transfer days

KungFooBob wrote: Fri Jan 23, 2026 4:49 pm I don't drink water, fish piss in it.
Bloody good job no one suggests drinking sea water, the way that tastes the fish fuck in that a LOT !! :lol: :lol: :lol: :lol:

JackyJoll wrote: Fri Jan 23, 2026 4:54 pm There didn’t used to be rules about drinking water or not drinking water.

Are you thirsty? I think that’s relevant.
It was more a question of interest after my friend patently disapproved of my drinking decaff tea instead of water :lol:

I do watch how much water I drink since my first winter season where I didn't drink enough to counteract altitude+walking a LOT+skiing+plus working in a kitchen. By February I thought I had a serious illness because i felt really really awful.

Then a fellow seasonaire pointed out that I did need to drink a lot more water - minimum 2 litres a day due to the altitude but more if skiing and walking a lot.

Once I started drinking more water, all the scary symptoms went and I felt massively better!! So, up in resort the minimum was 2 litres a day and yes, I did feel thirsty if I drank less

Now I'm 1400m lower down, I know I don't need as much but I do still try to aim for around 1.5 litres but mix it between water and decaff tea (my much is almost a pint, so that helps manage the amounts :angelic-green: :angelic-green: )


I think the anti anything except water is pretty outdated (I remember being told that even adding squash was bad :roll: ) which is why I thought I'd ask since a younger than me friend was the one being disapproving about my tea intake versus water :lol: :lol:
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Re: Why is it supposedly only water that's good for hydration?

Post by Dodgy69 »

I was always led to believe water or water based drinks are what we all need however, coffee makes me thirsty and I must agree, it does seem to me that water quenches thirst better than anything else. 🍻
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Re: Why is it supposedly only water that's good for hydration?

Post by Horse »

JackyJoll wrote: Fri Jan 23, 2026 4:54 pm There didn’t used to be rules about drinking water or not drinking water.

Are you thirsty? I think that’s relevant.
https://www.healthdirect.gov.au/

Older people may not notice that they are feeling thirsty. If you're caring for an older person, remind them to drink regularly.

So that's you reminded :thumbup:
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Re: Why is it supposedly only water that's good for hydration?

Post by Noggin »

Dodgy69 wrote: Fri Jan 23, 2026 5:13 pm I was always led to believe water or water based drinks are what we all need however, coffee makes me thirsty and I must agree, it does seem to me that water quenches thirst better than anything else. 🍻
I think, if I remember rightly, caffeine is a diuretic ? So. I always thought that was the reason to not use coffee for hydration - maybe!
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Re: Why is it supposedly only water that's good for hydration?

Post by Noggin »

Horse wrote: Fri Jan 23, 2026 5:14 pm
JackyJoll wrote: Fri Jan 23, 2026 4:54 pm There didn’t used to be rules about drinking water or not drinking water.

Are you thirsty? I think that’s relevant.
https://www.healthdirect.gov.au/

Older people may not notice that they are feeling thirsty. If you're caring for an older person, remind them to drink regularly.

So that's you reminded :thumbup:
Wasn't there a big thing a few years ago that people think they are hungry when in fact they need hydration?
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Re: Why is it supposedly only water that's good for hydration?

Post by Horse »

&:

Thirst isn't always a reliable indicator, and signs like dark urine, fatigue, dizziness, dry mouth, or headaches often signal dehydration before intense thirst kicks in, or even if thirst is absent.
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Re: Why is it supposedly only water that's good for hydration?

Post by KungFooBob »

Horse wrote: Fri Jan 23, 2026 5:14 pm
JackyJoll wrote: Fri Jan 23, 2026 4:54 pm There didn’t used to be rules about drinking water or not drinking water.

Are you thirsty? I think that’s relevant.
https://www.healthdirect.gov.au/

Older people may not notice that they are feeling thirsty. If you're caring for an older person, remind them to drink regularly.

So that's you reminded :thumbup:
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Re: Why is it supposedly only water that's good for hydration?

Post by Noggin »

Horse wrote: Fri Jan 23, 2026 5:16 pm &:

Thirst isn't always a reliable indicator, and signs like dark urine, fatigue, dizziness, dry mouth, or headaches often signal dehydration before intense thirst kicks in, or even if thirst is absent.
I do use all of that to judge - like Jody said the other day when I had had headaches, instant thought is - drink/hydrate. I do find that dehydration headaches are very specific and not easily confused with shoulder injury ones !! But maybe most people don't have that knowledge
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Re: Why is it supposedly only water that's good for hydration?

Post by Mr Moofo »

Water is best at replenishing your water ” rehydration’ needs - but science now feel that various other salts /electrolytes etc are needed for proper hydration.

And this comes from someone who suffers with a lot of cramp …
If I have exercised I will use rehydration tablets
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Re: Why is it supposedly only water that's good for hydration?

Post by Taipan »

I drink water or tea, as I have never liked squash or fizzy drinks like Coke etc. Bizarelly my water of choice is sparkling though? If I'm in a hot country, there's nothing that quenches my thirst like an icy cold lager, but not too many of? I do try a sparkling water with ice etc but its the lager that does it! I guess theres a point wher the alcohol leads to dehydration, but its worked well for me for 40 years! :obscene-drinkingcheers:
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Re: Why is it supposedly only water that's good for hydration?

Post by Horse »

Mr Moofo wrote: Fri Jan 23, 2026 6:25 pm Water is best at replenishing your water ” rehydration’ needs - but science now feel that various other salts /electrolytes etc are needed
IIRC 'proper' rehydration drinks are absorbed about 10% more quickly than plain water - and actually, for most people, rarely beneficial.
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Re: Why is it supposedly only water that's good for hydration?

Post by Trinity765 »

If you're healthy your body will use or store all the sugar it gets and it needs water to do that. So water with sugar in it is going to be less hydrating than just water.

Skimmed milk is good for dehydration as it contains useful vitamins and minerals.
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Re: Why is it supposedly only water that's good for hydration?

Post by Mr Moofo »

A combination of British sherry and Pernod is a dreadful choice for rehydration.

I do these thing so you don’t have to!
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Re: Why is it supposedly only water that's good for hydration?

Post by KungFooBob »

Mr Moofo wrote: Fri Jan 23, 2026 8:16 pm A combination of British sherry and Pernod is a dreadful choice for rehydration.

I do these thing so you don’t have to!
Pernod is good for NOTHING!
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Re: Why is it supposedly only water that's good for hydration?

Post by Mr Moofo »

KungFooBob wrote: Fri Jan 23, 2026 8:17 pm
Mr Moofo wrote: Fri Jan 23, 2026 8:16 pm A combination of British sherry and Pernod is a dreadful choice for rehydration.

I do these thing so you don’t have to!
Pernod is good for NOTHING!
It makes you look sophisticated

For about 1 minute
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