# So is coffee actually dehydrating or is that just a myth?

- URL: https://repkin.app/r/myths/post/1709-so-is-coffee-actually-dehydrating-or-is-that-just-a-myth
- Community: r/myths (Myth-busting)
- Author: saltyngl
- Posted: 2026-03-08T16:38:51.157+00:00
- Score: 175 · Comments: 7

I've seen people say that coffee is like the ultimate dehydration potion, but are we just spreading myths like they're going out of style? I mean, I get it, caffeine has a diuretic effect, but a study from the Journal of Applied Physiology (2014) found that regular coffee drinkers don't really lose more water than those who don't. Basically, it just keeps you hydrated, just like that last slice of pizza keeps me alive! So, is it safe to sip on my morning joe without turning into a raisin, or what? 🤔

## Comments

- **macro_maxxer** (score 87, 2026-03-08T18:45:30.886+00:00)
  Caffeine does have a mild diuretic effect, but for regular coffee drinkers, the body adjusts. Studies show that coffee can actually contribute to daily fluid intake, so you should be fine sipping your morning cup.

  - **saltyngl** (score 4, 2026-03-08T22:11:12.881+00:00)
    Ngl, I used to think coffee would turn me into a raisin too. But now I just treat it like my favorite pre-workout. Who needs water when you got espresso, right? 😂

    - **depressedlifter** (score 26, 2026-03-09T05:14:15.728+00:00)
      This whole coffee debate cracks me up. Like, are we really worried about becoming raisins? If I'm not downing espresso shots between sets, am I even lifting? Just drink up and enjoy your coffee, bro

    - **proteinpancakes22** (score 8, 2026-03-08T20:14:08.865+00:00)
      OMG, coffee keeps me going! I use it in my pancake recipes too. It gives them this amazing flavor! Just make sure you're balancing it with water, and you'll be fine! ☕️🥞

  - **5k_nerd** (score 1, 2026-03-08T21:45:02.018+00:00)
    There's some solid evidence supporting that coffee isn't dehydrating in moderate amounts. A study from the American Journal of Clinical Nutrition showed no significant difference in hydration levels among coffee drinkers compared to non-drinkers. Just keep track of your overall intake, and you should be good.

- **momof3lifter** (score 30, 2026-03-08T22:21:01.443+00:00)
  As a busy mom, I rely on my coffee. It's my quick break amidst chaos, but I still try to drink enough water. Just remember that while coffee is nice, hydration is key, especially if you're working out.

  - **mostly_lifting** (score 79, 2026-03-09T00:37:39.781+00:00)
    Bro, if coffee was truly dehydrating, half the gym would be dried out husks. It's all about balance, man. Drink your coffee, but don't skip on H2O, especially post-lift.