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Study Finds Water Isn't the Best Drink for Hydration
(www.mensjournal.com)
Food hydrates you best
When it comes to alcohol, stronger forms, like whiskey, for example, actually dehydrate, while beer shows better results.
I'm replacing water with beer the next time I run a marathon.
/this was a joke. i don't run
But water does hydrate you, and its free/cheaper than anything else.
2/3 of the world is lactose intolerant so milk can't be the best for hydration
If I remember correctly, this type of study is inherently flawed because it just measures how long fluids stay in your body before you urinate, which is a useless metric. There is no benefit to a fluid staying in your system for a longer amount of time than the equivalent amount of a different fluid. Please correct me if I am wrong.
IIRC you're supposed to drink until you urinate in order to confirm proper hydration. Drinking milk until I pee sounds tough.
Only the strongest wills club.
My husband and I were having lunch in a diner last weekend and by the bar they had a display cooler selling Smart Water. I over heard the lady next table over tell her friend: "oh I need to get some of that before we go. ITS GOT ELECTROLYTES!" she said, unironically. I nearly choked on my lunch. Lol
article links to a yahoo version of 2019 CNN which links to a 2016 study with a URL resulting in a redirect to the new standalone website for the journal now-declared-independence instead of a DOI I had to rescue from the archives which now links to the ScienceDirect hosting of the article instead: https://doi.org/10.3945/ajcn.115.114769 (Thankfully open (archive) access)
In summary, the present study describes a novel tool to enable the objective assessment of the effectiveness of beverages to maintain hydration status. The BHI is reproducible and the pattern of response for a range of commonly consumed beverages is consistent with what is known about the effects of their constituents on water balance.
So they're telling us you need longer to digest things which aren't pure water - a shocking result! But I strongly doubt that running on a hot day while drinking milk is a good idea
I don't think digesting and water absorption are the same thing. Hydration is absorbing the water and digestion is processing what's left besides the water.
BRAWNDO!!! IT’S GOT WHAT PLANTS CRAVE! ELECTROLYTES!
Hahahaha!! I love that movie!!!
We don't have time for handjobs.
Save water, drink beer!
T-shirt from 1992
Yes ᕕ( ᐛ )ᕗ
Can I get in on that?
results like this, always makes me think, who paid for the study?
RJM is chair of the Scientific Advisory Board for the European Hydration Institute. PW has received funding in the last 3 y from the European Hydration Institute for other hydration-related research. None of the other authors reported a conflict of interest related to the study.
Could not find much more information on this institute. It ran an introduction to a conference in a supplement to a trusted, peer-reviewed journal but supplements have a general reputation of being advertisements.
Yeah, nothing I crave more after running 5k than a tall glass of… milk? 🤮
Honestly maybe not after a long run but sometimes when I’m really dehydrated I legit crave milk
I regularly (weekly) run 25k runs. If I had milk afterwards, sure, I’d retain that fluid for longer, but I’d get all congested and start seeing spots in front of my eyes. I know this because I’ve involuntarily done it.
What works best is small sips of water every 2k or so after 10k, followed by a glass of water when I’m done to flush my system, followed by water with trace amounts of sugar, sodium and potassium added.
Binding water up in your stomach is totally useless for maintaining electrolyte and water levels in the body, even though it’s technically (temporarily) increasing fluid uptake.
When I was doing long distance runs, there was nothing more I wanted afterwards than some chocolate milk
ITT: hYdRaTe WiTh MiLk!?
Isn't milk more "liquid food" than a drink? It's meant to provide full nutrition to young, not provide fluids to an adult. Humans drinking milk in adulthood is the weird part.
I've had to restrain myself from drinking a couple of liters of milk on hot days because I'm pretty sure it was helping me get fat. There's a pile of sugar in milk, but damn, it seemed to be the best for quenching thirst. I really like milk and miss it.
Yeah why can't they drink something less weird for an adult human... Something full of high fructose corn syrup, taurine, and Orange #6... The way God intended. It's in the fucking Bible, people.
I'm an adult, always enjoyed milk but not much beyond a bowl of cereal or a glass (possibly chocolate) in a day. Don't have it overly often most of the time but even if I do it's not a lot. Still feels satisfying to have in my 40s. Of course I may be considered weird for other reasons by many but didn't think the milk consumption factored in heh.
Edit thought I'd add, has at least protein in it so there are worse things to have with more sugars, though yes know lactase breaks down to carbs (or something similar I may have forgotten the name)
But tap water has electrolytes, right? That's why we get electrocuted.
100% pure water does not conduct electricity, but who uses that?
Tap water has too few electrolytes to restore your electrolytic balance after losing water (via sweating or urination). But yeah, it does technically contain electrolytes.
Yeah, a lot of people don't realize that electrolytes are just as important for hydration as water. Especially if you're doin some heavy activities and sweatin buckets. You lose so much potassium in effort sweat, and you'll just start locking up without it.
Beer
Real Cutting edge stuff here in this paper from March 2016:
A randomised trial to assess the potential of different beverages to affect hydration status: development of a beverage hydration index
Ronald J Maughan, Phillip Watson, Philip AA Cordery, Neil P Walsh, Samuel J Oliver, Alberto Dolci, Nidia Rodriguez-Sanchez, Stuart DR Galloway
Published in The American Journal of Clinical Nutrition in March 2016.
Abstract
Background The identification of beverages that promote longer-term fluid retention and maintenance of fluid balance is of real clinical and practical benefit in situations in which free access to fluids is limited or when frequent breaks for urination are not desirable. The postingestion diuretic response is likely to be influenced by several beverage characteristics, including the volume ingested, energy density, electrolyte content, and the presence of diuretic agents.
Objective This study investigated the effects of 13 different commonly consumed drinks on urine output and fluid balance when ingested in a euhydrated state, with a view to establishing a beverage hydration index (BHI), i.e., the volume of urine produced after drinking expressed relative to a standard treatment (still water) for each beverage.
Design Each subject (n = 72, euhydrated and fasted male subjects) ingested 1 L still water or 1 of 3 other commercially available beverages over a period of 30 min. Urine output was then collected for the subsequent 4 h. The BHI was corrected for the water content of drinks and was calculated as the amount of water retained at 2 h after ingestion relative to that observed after the ingestion of still water.
Results Total urine masses (mean ± SD) over 4 h were smaller than the still-water control (1337 ± 330 g) after an oral rehydration solution (ORS) (1038 ± 333 g, P < 0.001), full-fat milk (1052 ± 267 g, P < 0.001), and skimmed milk (1049 ± 334 g, P < 0.001). Cumulative urine output at 4 h after ingestion of cola, diet cola, hot tea, iced tea, coffee, lager, orange juice, sparkling water, and a sports drink were not different from the response to water ingestion. The mean BHI at 2 h was 1.54 ± 0.74 for the ORS, 1.50 ± 0.58 for full-fat milk, and 1.58 ± 0.60 for skimmed milk.
Conclusions BHI may be a useful measure to identify the short-term hydration potential of different beverages when ingested in a euhydrated state.
Milk was a baad choice
It's so.. hot
Would have been nice if they had gone into further detail about what they had discovered but sure this seems kind of interesting.
Apparently the mcpoyle brothers were on to something with milk
I do actually love cold buttermilk on a hot day
this post was submitted on 29 Jun 2025
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