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HIGH5 Zero Electrolyte Tablets for Hydration, Berry, 20 Tablets vs Science in Sport Hydro Electrolyte Tablets, Berry, 20 Tablets

Side-by-side comparison of scores, ingredients, prices and real customer feedback for HIGH5 Zero Electrolyte Tablets for Hydration, Berry, 20 Tablets and Science in Sport Hydro Electrolyte Tablets, Berry, 20 Tablets.

Last verified: 19 Oct 2026 · Based on 54 reviews

68.0
Score Summary

HIGH5 Zero Electrolyte Tablets for Hydration, Berry, 20 Tablets scores 68.0/100 vs Science in Sport Hydro Electrolyte Tablets, Berry, 20 Tablets at 68.0/100. HIGH5 Zero Electrolyte Tablets for Hydration, Berry, 20 Tablets wins on value for money. Science in Sport Hydro Electrolyte Tablets, Berry, 20 Tablets is stronger on effectiveness and ingredient quality.

How Do the Scores Compare?

HIGH5 Zero Electrolyte Tabl...
Science in Sport Hydro Elec...
HIGH5 Zero Electrolyte Tablets for Hydration, Berry, 20 Tablets
HIGH5 Zero Electrolyte Tabl...
HIGH5
Science in Sport Hydro Electrolyte Tablets, Berry, 20 Tablets
Science in Sport Hydro Elec...
Science in Sport
Overall Score 68.0 68.0
Effectiveness 73.0/100 77.0/100
Best
Ingredient Quality 52.0/100 55.0/100
Best
Value for Money 80.0/100
Best
78.0/100
Side Effects 82.0/100 88.0/100
Best
Certifications 30.0/100 35.0/100
Best
Best Price £4.99 Amazon UK →
Cheapest
£7.50
£5.00 Amazon UK →
-33% deal
Price per Serving £0.25 20 servings
Best value
£0.25 20 servings
Best value
Form Tablet Tablet
Dose None None
Third-Party Tested ✗ No ✗ No
Reviews Analysed 29 25

HIGH5 Zero Electrolyte Tablets f...

Pros

  • ✓Many reviewers praise the taste: mild, not salty and not overly sweet
  • ✓Several reviewers say the tablets dissolve quickly and easily in a water bottle
  • ✓Several people relied on it in hot weather, heatwaves and summer holidays to replace salts lost through sweat
  • ✓Sugar-free and zero-calorie, and one reviewer who does daily OMAD fasting says it doesn't break their fast

Cons

  • ✗The amount of each electrolyte per tablet isn't given in the listing, so you can't judge the dose
  • ✗A few reviewers find the flavour weak or bland, and one found a powdery texture and aftertaste
  • ✗Two reviewers report dissolving problems: one had tablets that seemed damp and wouldn't dissolve, and another found leftover residue and an orange substance in the glass
  • ✗No third-party testing listed

Best For

People who sweat a lot in hot weather or on holiday and want a low-calorie way to replace salts Gym-goers and cyclists who want sugar-free electrolytes they can carry around People who fast and want electrolytes without calories People who dislike salty or very sweet electrolyte drinks
View full review →

Science in Sport Hydro Electroly...

Pros

  • ✓Many reviewers praise the taste; two call it pleasant and not overpowering, and one says the berry flavour was much better than expected
  • ✓Dissolves quickly with no bits left, according to a few reviewers
  • ✓Many reviewers call it good value, and one says the cost per drink is economical compared with ready-made electrolyte drinks
  • ✓The compact, lightweight tube is easy to carry for travel or the gym

Cons

  • ✗The listing gives no amounts for sodium, potassium, calcium, magnesium or the B vitamins
  • ✗One reviewer who bought two flavours found the taste lacking and moved to a cheaper isotonic drink
  • ✗One reviewer's tube arrived opened, with the tablets broken and wet
  • ✗One reviewer finds it pricey compared with budget options

Best For

Cyclists and gym-goers who want a portable electrolyte drink with a good taste People rehydrating in hot weather or on holiday in the heat Anyone who finds other electrolyte tablets hard on the stomach or unpleasant to drink
View full review →

Score Breakdown: HIGH5 Zero Electrolyte Tablets for Hydration, Berry, 20 Tablets vs Science in Sport Hydro Electrolyte Tablets, Berry, 20 Tablets

HIGH5 Zero Electrolyte Tablets for Hydration, Berry, 20 Tablets Winner 68.0/100

HIGH5 Zero Berry is a sugar-free, zero-calorie tablet.

Effectiveness
HIGH5 Zero Elect..
73.0/100
Science in Sport..
77.0/100
Ingredient Quality
HIGH5 Zero Elect..
52.0/100
Science in Sport..
55.0/100
Value for Money
HIGH5 Zero Elect..
80.0/100
Science in Sport..
78.0/100
Side Effects
HIGH5 Zero Elect..
82.0/100
Science in Sport..
88.0/100
Certifications
HIGH5 Zero Elect..
30.0/100
Science in Sport..
35.0/100

What are the key differences?

HIGH5 Zero Electrolyte Tablets for Hydration, Berry, 20 Tablets is best for: People who sweat a lot in hot weather or on holiday and want a low-calorie way to replace salts, Gym-goers and cyclists who want sugar-free electrolytes they can carry around
Science in Sport Hydro Electrolyte Tablets, Berry, 20 Tablets is best for: Cyclists and gym-goers who want a portable electrolyte drink with a good taste, People rehydrating in hot weather or on holiday in the heat

Frequently Asked Questions

Which is better, HIGH5 Zero Electrolyte Tablets for Hydration, Berry, 20 Tablets or Science in Sport Hydro Electrolyte Tablets, Berry, 20 Tablets? ▼
HIGH5 Zero Electrolyte Tablets for Hydration, Berry, 20 Tablets scores 68.0/100 overall while Science in Sport Hydro Electrolyte Tablets, Berry, 20 Tablets scores 68.0/100. Both score equally overall — the difference comes down to individual dimensions. HIGH5 Zero Electrolyte Tablets for Hydration, Berry, 20 Tablets is best suited for People who sweat a lot in hot weather or on holiday and want a low-calorie way to replace salts and Gym-goers and cyclists who want sugar-free electrolytes they can carry around. Science in Sport Hydro Electrolyte Tablets, Berry, 20 Tablets is better for Cyclists and gym-goers who want a portable electrolyte drink with a good taste and People rehydrating in hot weather or on holiday in the heat.
Is HIGH5 Zero Electrolyte Tablets for Hydration, Berry, 20 Tablets worth the price compared to Science in Sport Hydro Electrolyte Tablets, Berry, 20 Tablets? ▼
HIGH5 Zero Electrolyte Tablets for Hydration, Berry, 20 Tablets costs £4.99 while Science in Sport Hydro Electrolyte Tablets, Berry, 20 Tablets is £5.00. For value, HIGH5 Zero Electrolyte Tablets for Hydration, Berry, 20 Tablets scores 80.0/100 vs Science in Sport Hydro Electrolyte Tablets, Berry, 20 Tablets's 78.0/100. HIGH5 Zero Electrolyte Tablets for Hydration, Berry, 20 Tablets delivers better value relative to its quality.
Which has fewer side effects? ▼
HIGH5 Zero Electrolyte Tablets for Hydration, Berry, 20 Tablets scores 82.0/100 for side effects (higher means fewer reported issues) while Science in Sport Hydro Electrolyte Tablets, Berry, 20 Tablets scores 88.0/100. Reviewers report fewer side effects with Science in Sport Hydro Electrolyte Tablets, Berry, 20 Tablets. For certification and testing, HIGH5 Zero Electrolyte Tablets for Hydration, Berry, 20 Tablets scores 30.0/100 vs Science in Sport Hydro Electrolyte Tablets, Berry, 20 Tablets's 35.0/100. Always consult a healthcare professional before starting any supplement.

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