Product Review: Science in Sport GO Hydro Tablets and staying hydrated in the heat (+ discount code)

Four tubes of Science in Sport GO Hydro tablets outside, sitting on a deck railing. From front to back, Lemon, Pineapple & Mango, Cola, Pineapple & Mango.

Disclaimer: I received four tubes of Science in Sport GO Hydro Tablets to review as part of being a BibRave Pro. Learn more about becoming a BibRave Pro (ambassador), and check out to review, find, and write race reviews!

My Science in Sport GO Hydro Tablets arrived on a hot day in June, and the past few weeks in particular have been pretty brutal as far as the heat and humidity. While the summer is my least favorite season for running, this has been a great time to test the Science in Sport GO Hydro Tablets for BibRave.

I received four tubes of 20 tablets each — two tubes of the Pineapple & Mango flavor, one of Lemon and one of Cola. Other choices available on the website are Pink Grapefruit and Berry.

The tablets dissolve quickly in water, and one tablet is meant to be used with 500 ml of water. I don’t really measure my water, but I usually put one in a reusable plastic water bottle (which I assume is about 500 ml) or a pint glass.

I really have a problem running in the heat — and I think I may be more sensitive to the heat than others (it could be that I don’t drink enough water, which is something I need to work on, but I also wear shorts in 40-something-degree temps). So, it’s important to get those electrolytes.

Vanessa Junkin standing outside holding a pint glass with liquid in it and a tube of the Science in Sport GO Hydro tablets.
Here I am holding a tube of Science in Sport GO Hydro tablets, along with water that has a tablet dissolved in it.

I have run with the SiS drink on the go, but primarily, I’ve been drinking it ahead of my runs and also afterward to help replenish.

My favorite flavor of the ones I received is the Pineapple & Mango, and I like the Lemon as well. It reminded me of lemonade when I first tried it, although it probably isn’t as sweet as many lemonades. My boyfriend has also liked the Lemon. The flavor is a good amount — not overpowering.

The Cola flavor features caffeine. I don’t really like the taste of cola and have had Coke one time this year, when I visited the World of Coca-Cola (the museum was really interesting, even though it isn’t my favorite flavor). So, Cola isn’t really a flavor I would have reached for knowing my general likes and dislikes.

One thing that’s highlighted on the Science in Sport website is the salt content. The Pineapple & Mango and Lemon flavors feature 350 mg of sodium per serving, while the Cola features 345 mg of sodium.

Pint glass with very pale yellow drink (Science in Sport GO Hydro Pineapple & Mango) and a blue bowl with strawberries, blueberries, bananas and yogurt in it.
Here’s the Science in Sport GO Hydro Pineapple & Mango drink next to a fruit and yogurt bowl.

My runs have been very hot and humid recently, but I have appreciated having these hydration tablets, and I think I have fared better having this in addition to the water I drink during my runs.

Since I’m not a medical professional or nutritionist, I’ll share this information about dehydration and electrolytes straight from the Science in Sport website:

During moderate to intense exercise, we can produce up to 2 litres of sweat per hour depending on the environmental conditions. Sweat contains vital electrolytes, including sodium. Sodium is the most important electrolyte as it helps to stimulate thirst, improve taste and promote absorption and retention.

If fluid and electrolyte losses are not replaced, dehydration occurs which is a major cause of fatigue. Once dehydrated, our body temperature rises; our heart rate increases; we deplete carbohydrate stores quicker and we perceive the exercise to be more intense. SiS GO Hydro can help prevent this, with the aim not to lose more than 2% of our body mass.

Think about a two-liter bottle — that’s like the big soda bottles! And, that’s per hour! What if you’re out there on a longer run?!

I’m pretty sure I brought an SiS GO Hydro tablet in a collapsible bottle (diluted with water, of course) along with plain water in the bladder of my hydration pack when I ran/walked a half marathon as part of the Tour de Salisbury, and after reading through that info, I’ll probably continue to bring both if I venture out for any more long runs anytime soon.

People are advised not to have more than four tablets per day.

One tube of 20 tablets is $11, and a Hydro Bundle featuring four tubes of your choices of flavors is $39.99. You can also save 20 percent on hydration products at the Science in Sport website with code BIBRAVE20, which brings the price down to $8.80 per tube or $31.99 for the bundle.

Learn more and purchase tablets at the Science in Sport website.

See what fellow BibRave Pros had to say:

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