Science in Sport
Beta Fuel Gel
8.8Very Good
High-carb dual-source gel with 40g carbs (~158 kcal) per serving — designed for marathon and long race fueling when you want SiS availability with fewer packets than GO Isotonic.
From € 3,40
Comparison
Science in Sport Beta Fuel Gel vs Neversecond C30 Gel
Both sit above basic starter gels for denser pocket carbohydrate. SIS Beta Fuel Gel lives in the Beta Fuel system; Neversecond C30 targets clear ~30 g packet planning as a peer format.
- Expert comparison
- Data driven
- Updated 1 September 2026
- Nutrition & Fuel
Neversecond
C30 Gel
8.9Very Good
Modular 30g-carb gel (~200mg sodium per label) designed as part of the Neversecond C-series — pick it when you want gel + drink mix units that add up cleanly for high-carb race fueling.
From € 3,20
Decision guide
When each shoe is the better buy — by training mix and conditions, not overall score alone.
Bottom line
Pick by which brand system and texture you can rehearse — both aim at modular higher-carb gel fueling rather than beginner isotonic packets.
Science in Sport
Choose Beta Fuel Gel if…
- You want SIS Beta Fuel gel carb density.
Neversecond
Choose C30 Gel if…
- You want Neversecond C30 modular packets.
Key Differences
Brand fueling system
Beta Fuel Gel: SIS Beta Fuel gel systemC30 Gel: Neversecond C30 modular gelSimilar higher-carb gel job; choose the texture and ecosystem you practise with. Endurance sports-nutrition guidance commonly discusses carbohydrate targets in g/hour ranges for longer efforts — individual tolerance varies; practice in training; this is not medical advice.
When each wins
Context winners by session type — use these with the decision guide above, not as a universal ranking.
Marathon
C30 Gel
C30 packet math for marathon rehearsal.
High-Carb Fueling
Beta Fuel Gel
Beta Fuel gel for denser SIS pocket carbs.
Value
Beta Fuel Gel
Clearer Kitletics value score for the current catalog price / performance mix.
Specs
| Spec | Beta Fuel Gel | C30 Gel | Winner |
|---|---|---|---|
| Type | Gel | Gel | TIE |
| Carbohydrate (g) | 40 | 30 | — |
| Texture / Form | Gel | Gel | TIE |
| Serving Size | 60ml sachet | 1 gel | — |
| Contains Caffeine | No | No | TIE |
| Caffeine Amount (mg) | — | — | TIE |
| Sodium (mg) | — | 200 | — |
| Calories (kcal) | 158 | 120 | — |
| Fluid Required | Water available recommended for thicker dual Carb gels | Water available recommended | — |
| Sugars (g) | 19 | — | — |
| Allergen Information | — | — | TIE |
| Protein (g) | 0 | 0 | TIE |
| Flavour | Orange / Lemon & Lime (typical) | Multiple / unflavoured options | — |
| Dietary Labels | Vegan | — | — |
| Pack Size | Box of 30 | Box packs | — |
Current Prices
Regional prices · Netherlands
Prices last checked: 12 Sept 2026. Offer updates do not mean the editorial comparison was re-reviewed.
Top Alternatives
Maurten Gel 100 Caf 100Beta Fuel gel is 40g dual-source, thick, shop-common, not high-sodium. Gel 100 Caf 100 is 22g isotonic, 30g modular, hydrogel, or caffeine: 100mg caffeine option stacks cleanly with non-caf Gel 100 servings.
Maurten Gel 160Beta Fuel gel is 40g dual-source, thick, shop-common, not high-sodium. Gel 160 is 22g isotonic, 30g modular, hydrogel, or caffeine: 40g carbs per packet reduces packet count on high-carb race plans.
Science in Sport GO Isotonic GelBeta Fuel gel is 40g dual-source, thick, shop-common, not high-sodium. GO Isotonic Gel is 22g isotonic, 30g modular, hydrogel, or caffeine: thinner isotonic texture is approachable for gel beginners.
Precision Fuel & Hydration PF 30 GelBeta Fuel gel is 40g dual-source, thick, shop-common, not high-sodium. PF 30 Gel is 22g isotonic, 30g modular, hydrogel, or caffeine: clean 30g carb unit simplifies race fueling math.
Hüma Original GelBeta Fuel gel is 40g dual-source, thick, shop-common, not high-sodium. Original Gel is 22g isotonic, 30g modular, hydrogel, or caffeine: real-food / chia texture alternative to syrup gels.
226ERS High Energy GelBeta Fuel gel is 40g dual-source, thick, shop-common, not high-sodium. High Energy Gel is 22g isotonic, 30g modular, hydrogel, or caffeine: high carbohydrate per sachet reduces how many packets you carry.
GU Energy Roctane Energy GelShared use-case alternative
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