Nuun Sport Caffeine Electrolyte Tablets Evaluation| Effectively+Good


Late final yr, when this very web site knowledgeable me {that a} cup of espresso ought to, certainly not, be the very first thing I drink within the morning, it was a shock to my system. For so long as I can keep in mind, the promise of an iced almond milk latte was the one factor that received me off the bed, and it was definitely not one thing I used to be keen to surrender…even for the sake of my hydration and cortisol ranges.

However then, I began coaching for the New York Metropolis marathon, and—there’s actually no higher method to say this, so I’m simply going to go for it—I nearly pooped my pants on a morning run.


Consultants In This Article

  • Erin Davis, RDN, non-diet dietitian who makes a speciality of diabetes, insulin resistance, and PCOS

Contemplating each espresso and cardio have a status for giving individuals the shits, I shouldn’t have been shocked that the mixture of the 2 left me, fairly actually, working for the toilet (FWIW, I did make it, nevertheless it was too shut of a name for my liking). The shut name made me notice that I wanted to discover a new method to caffeinate earlier than my morning runs, which is the place the Nuun Sport + Caffeine Electrolyte Tablets ($25 for a pack of 4) are available in.

How Nuun Sport + Caffeine Electrolyte Tablets work

In case you performed highschool sports activities (or have ever been viciously hungover), you’re seemingly accustomed to electrolytes. They’re electrically-charged minerals produced by your physique, and assist regulate muscle cramping, steadiness your physique’s pH ranges, and preserve you hydrated. While you sweat, your physique loses electrolytes, so it’s necessary to replenish them earlier than and after laborious exercises to keep away from exhaustion, dehydration, cramping, and soreness.

“Electrolytes, like sodium and potassium, assist keep fluid steadiness in our our bodies,” says Erin Davis, RD. “You lose electrolytes in sweat, so pairing electrolytes along with your water is crucial for ample hydration.”

Nuun’s tablets do precisely that, turning your fundamental 16-ounce glass of water right into a full-blown pre-workout (or restoration) drink. They’re infused with sodium, magnesium, and potassium, all of which assist complement your physique’s pure provide.

Then, after all, there’s the caffeine. “Caffeine, an ergogenic help, is added to a majority of these efficiency dietary supplements as a result of caffeine has been discovered to enhance efficiency, enhance endurance, and sharpen psychological focus in athletes once they devour a supply of caffeine 10-60 minutes earlier than train,” says Davis. “Caffeine aids in efficiency in doses of 3-6 mg/kg of physique weight, and could also be helpful in doses as little as 2 mg/kg physique weight.” She provides that although caffeine sometimes acts as a diuretic (AKA makes you pee), “which appears opposite to hydration,” this impact is definitely negated throughout train.

“Electrolytes, like sodium and potassium, assist keep fluid steadiness in our our bodies. You lose electrolytes in sweat, so pairing electrolytes along with your water is crucial for ample hydration.”
—Erin Davis, RD

What makes these tablets a more sensible choice than espresso

There are a couple of the explanation why sipping on some Nuun-infused water within the a.m. may be a greater concept than chugging a cup of espresso for some people. The primary is the caffeine issue. Whereas vitamin specialists agree that caffeine is caffeine and one kind typically is not “higher” than some other, these tablets get their caffeine from inexperienced tea extract and accommodates much less caffeine than espresso. (Nuun tablets have 40 mg of caffeine, which is lower than half of the 95 mg in your common cup of espresso.) Inexperienced tea additionally accommodates an amino-acid referred to as L-theanine, which might have a constructive impression in your temper and digestion, which can assist to stop jitters and stave off the same old post-caffeine crash.

Moreover, since you’re consuming your Nuun tablets with a glass of water, you’re getting your caffeine repair alongside some oh-so-important hydration—which is particularly necessary earlier than a sweat session. “Nuun tablets are a good selection for somebody seeking to pre-hydrate earlier than a exercise—beginning train in a hydrated state is at all times greatest,” says Davis. “So ingesting 16 ounces of water with a Nuun pill will higher hydrate you than a cup of espresso.” Simply understand that you’re getting half as a lot caffeine as you’d be out of your espresso, so you might really feel a little bit of a distinction at first.

“Nuun tablets are a good selection for somebody seeking to pre-hydrate earlier than a exercise—beginning train in a hydrated state is at all times greatest. So ingesting 16 ounces of water with a Nuun pill will higher hydrate you than a cup of espresso.”

Although Davis is usually a fan of those tablets, she recommends taking note of some other sources of caffeine in your weight-reduction plan earlier than including them to your routine. “In case you devour an excessive amount of caffeine (>400 mg) you might really feel jittery, nauseous, anxious, or a racing coronary heart fee, which can hamper your athletic efficiency and restoration,” she says. Nonetheless, “The dose of caffeine in these tablets is not excessive, so in case you are used to consuming caffeine, there needs to be no unfavourable results.”

What occurred after I added the Nuun tablets to my routine

The primary time I swapped my espresso for Nuun’s Sport + Caffeine Electrolyte Tablets was forward of an 8-mile run, and I’m not going to lie: I used to be nervous. The considered getting down to pound the pavement for over an hour with solely half of the quantity of caffeine that my physique was used to was barely terrifying, and I used to be involved that I wasn’t going to have the ability to end.

Oddly sufficient, although, I felt extra energized and mentally clear than I often do throughout my crack-of-dawn exercises—a lot in order that I just about forgot that I used to be working with much less caffeine than regular. What’s extra, I didn’t really feel jittery, and my abdomen wasn’t doing the type of “Oh shit” flips that always come alongside after I combine caffeine and cardio.

Moreover, I’ve a historical past of feeling all types of nauseous after I run greater than 6 miles (… I’m nonetheless engaged on the entire “correct fueling” a part of marathon coaching), however as a result of these tablets saved my physique hydrated all through the exercise, there was no illness to talk of when it got here time to chill down.

For sure, one run was all it took for these useful little hydration tablets to turn out to be everlasting staples in my routine. Not solely do I drink them in lieu of a cup of espresso earlier than my morning runs, however they’ve turn out to be a alternative for my afternoon iced lattes, too. Come marathon day, I do know it is a instrument I must get me throughout the end line… with none accidents, as well.


Effectively+Good articles reference scientific, dependable, current, strong research to again up the data we share. You may belief us alongside your wellness journey.

  1. Jagim, Andrew R et al. “Worldwide society of sports activities vitamin place stand: power drinks and power pictures.” Journal of the Worldwide Society of Sports activities Diet vol. 20,1 (2023): 2171314. doi:10.1080/15502783.2023.2171314
  2. Visitor, Nanci S et al. “Worldwide society of sports activities vitamin place stand: caffeine and train efficiency.” Journal of the Worldwide Society of Sports activities Diet vol. 18,1 1. 2 Jan. 2021, doi:10.1186/s12970-020-00383-4
  3. Zhang, Yang et al. “Caffeine and diuresis throughout relaxation and train: A meta-analysis.” Journal of science and drugs in sport vol. 18,5 (2015): 569-74. doi:10.1016/j.jsams.2014.07.017


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