💥 Elevate your hydration game—because average just won’t cut it.
ENDURANCE BOOST - Scientifically researched electrolyte blend reduces fatigue so you can push your limits longer.
CLEAN CONSCIOUS - Vegan, gluten-free, and zero sugar—fuel your body without compromise or additives.
FLAVOR THAT FUELS - Delicious natural berry flavor makes hydration a treat, not a chore.
HYDRATE LIKE A PRO - Clinically proven 30 mmol/L sodium concentration ensures faster, deeper hydration than water alone.
TRUSTED BY EXPERTS - Backed by decades of elite athlete research and sports science innovation since 1992.
Science In Sport Hydro Hydration Tablets deliver 160 vegan, gluten-free, zero-sugar effervescent tablets packed with clinically dosed electrolytes and 30 mmol/L sodium for superior hydration. Designed to reduce fatigue and enhance endurance, these berry-flavored tablets are trusted by elite athletes and sports scientists since 1992.
SiS (Science in Sport) Limited, Unit 8A, Frontier Park, Blackburn BB1 3AL UK Science in Sport S.R.L. via Michelangelo Buonarroti, 39 – 20145 Milan, ITALIA
Brand
Science in Sport
Format
Tablet
Age Range Description
Adult
Country of origin
United Kingdom
Reviews
4.5
All from verified purchases
C**E
Perfect post-run boost — great flavour too
I’m a runner, and these have become my go-to on warmer days or after longer sessions. I pop one in my water bottle as soon as I get home and can genuinely feel the difference — it’s a subtle pick-me-up without any sugar crash, and I don’t feel as wiped out later in the day.The Pineapple & Mango flavour is lovely — not too artificial or overpowering like some electrolyte tabs can be. It’s just the right balance of refreshing and sweet, and it actually makes me want to drink more water (always a win after a hot run).Easy to chuck in a gym bag, and they dissolve quickly too. I’m already on my second tube — highly recommend if you’re training regularly or just want something more interesting than plain water.
S**G
Flavours good too
Good product our go to for sports hydration
Z**K
Great for on the go hydration. Meh flavour
All round very good for hydrating and getting in your electrolytes etc, bought it for those hot days where I don’t have time to go out and buy the pre made drinks. Helps a lot when you have a headache but don’t want to spend an hour chugging down water or taking a paracetamol. It dilutes within a couple minutes and there’s no grittiness or bits floating around when it’s done mixing which is a plus.Only downside is the flavour (hence the 1 less star) its not terrible but could be a bit better. Not a dealbreaker though. Still good all in all. Good value for money.
S**E
Great Hydration with No Sugar
My personal trainer swears by these, and I can see why. I have one every morning to stay hydrated for the day ahead and another after sports to rehydrate. I used to drink sugary electrolyte drinks, but this is a much better option for overall health and well-being.The tablets dissolve in about 2-3 minutes, and the taste is great no matter how much water you mix them with. Definitely a solid choice for anyone looking to stay hydrated without the extra sugar!
T**
Great for sport
Great product, I use them for long tennis matches to replenish my electrolytes and prevent cramp. The best plavour in my opinion is the berry, and great value for money.
J**A
These hydration tablets are fantastic!
The variety pack with Pineapple Mango, Berry, and Lemon flavors is a great way to keep things interesting. They dissolve quickly in water and taste delicious, making it easy to stay hydrated throughout the day. The added electrolytes help replenish what I lose during workouts, and I've noticed a significant improvement in my energy levels and recovery time. Highly recommend for anyone looking to stay hydrated and refreshed!
O**O
Tastes Fab
Love the taste of these, makes drinking water so much nicer with all the added benefits, defo feel more alert and have more energy
T**M
Good, But Could Be Better
The Science In Sport Hydro Hydration Tablets have some nice qualities but didn’t quite meet all my expectations. The lemon flavor is refreshing, and it's great to find a hydration tablet that’s both gluten-free and zero sugar. They dissolve easily in water, and I felt hydrated after using them, especially post-workout. However, the flavor is a bit weak and leaves a slightly bitter aftertaste, which might not be for everyone. Also, I wish they offered more servings per tube given the price.Overall, they're decent for hydration but not my top choice.
Common Questions
Trustpilot
TrustScore 4.5 | 7,300+ reviews
Imran F.
Very reliable shop with genuine products. Will definitely buy again!
2 weeks ago
Suresh K.
Very impressed with the quality and fast delivery. Will shop here again.
1.Add one Hydro tablet to 500ml of water and let it dissolve,2.Once prepared,consume within 24 hours
Manufacturer Contact Information
SiS (Science in Sport) Limited, Unit 8A, Frontier Park, Blackburn BB1 3AL UK Science in Sport S.R.L. via Michelangelo Buonarroti, 39 – 20145 Milan, ITALIA
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I pop one in my water bottle as soon as I get home and can genuinely feel the difference — it’s a subtle pick-me-up without any sugar crash, and I don’t feel as wiped out later in the day.The Pineapple & Mango flavour is lovely — not too artificial or overpowering like some electrolyte tabs can be. It’s just the right balance of refreshing and sweet, and it actually makes me want to drink more water (always a win after a hot run).Easy to chuck in a gym bag, and they dissolve quickly too. I’m already on my second tube — highly recommend if you’re training regularly or just want something more interesting than plain water."},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"5.0"},"author":{"@type":"Person","name":"S***G"},"datePublished":"11 May 2025","name":"Flavours good too","reviewBody":"Good product our go to for sports hydration"},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"4.0"},"author":{"@type":"Person","name":"Z***K"},"datePublished":"21 June 2024","name":"Great for on the go hydration. Meh flavour","reviewBody":"All round very good for hydrating and getting in your electrolytes etc, bought it for those hot days where I don’t have time to go out and buy the pre made drinks. Helps a lot when you have a headache but don’t want to spend an hour chugging down water or taking a paracetamol. It dilutes within a couple minutes and there’s no grittiness or bits floating around when it’s done mixing which is a plus.Only downside is the flavour (hence the 1 less star) its not terrible but could be a bit better. Not a dealbreaker though. Still good all in all. Good value for money."},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"5.0"},"author":{"@type":"Person","name":"S***E"},"datePublished":"20 March 2025","name":"Great Hydration with No Sugar","reviewBody":"My personal trainer swears by these, and I can see why. I have one every morning to stay hydrated for the day ahead and another after sports to rehydrate. I used to drink sugary electrolyte drinks, but this is a much better option for overall health and well-being.The tablets dissolve in about 2-3 minutes, and the taste is great no matter how much water you mix them with. Definitely a solid choice for anyone looking to stay hydrated without the extra sugar!"},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"5.0"},"author":{"@type":"Person","name":"T*** "},"datePublished":"29 April 2025","name":"Great for sport","reviewBody":"Great product, I use them for long tennis matches to replenish my electrolytes and prevent cramp. The best plavour in my opinion is the berry, and great value for money."},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"5.0"},"author":{"@type":"Person","name":"J***A"},"datePublished":"20 February 2025","name":"These hydration tablets are fantastic!","reviewBody":"The variety pack with Pineapple Mango, Berry, and Lemon flavors is a great way to keep things interesting. They dissolve quickly in water and taste delicious, making it easy to stay hydrated throughout the day. The added electrolytes help replenish what I lose during workouts, and I've noticed a significant improvement in my energy levels and recovery time. Highly recommend for anyone looking to stay hydrated and refreshed!"},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"5.0"},"author":{"@type":"Person","name":"O***O"},"datePublished":"11 April 2025","name":"Tastes Fab","reviewBody":"Love the taste of these, makes drinking water so much nicer with all the added benefits, defo feel more alert and have more energy"},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"3.0"},"author":{"@type":"Person","name":"T***M"},"datePublished":"4 November 2024","name":"Good, But Could Be Better","reviewBody":"The Science In Sport Hydro Hydration Tablets have some nice qualities but didn’t quite meet all my expectations. The lemon flavor is refreshing, and it's great to find a hydration tablet that’s both gluten-free and zero sugar. They dissolve easily in water, and I felt hydrated after using them, especially post-workout. However, the flavor is a bit weak and leaves a slightly bitter aftertaste, which might not be for everyone. Also, I wish they offered more servings per tube given the price.Overall, they're decent for hydration but not my top choice."}],"aggregateRating":{"@type":"AggregateRating","ratingValue":4.625,"bestRating":5,"ratingCount":8}}
