Kendal Mint Co. KMC NRG Gel+ GEL131 Caffeine Energy Gel, 10 x 70g with 150ml Flask

GEL131: Kendal Mint Co. KMC NRG Gel+ is a citrus and mint caffeine energy gel refill set with a reusable 150ml flask. It is aimed at endurance sessions, with the listing specifying 100mg caffeine per 70g serve alongside carbohydrates and electrolytes.

At a glance

Refill pouch and 150ml bite-valve flask are stated as included in the listing.
The manufacturer specifies 100mg caffeine per 70g serve, with 27g carbohydrate per serve.
The formula is described as a 2:1 dual-carbohydrate blend with four electrolytes and B vitamins.
The listing describes the gel as less viscous and easy to swallow, and claims vegan and gluten-free suitability.
The manufacturer states that batches are tested for banned substances through Informed Sport.

Price

£25.48Save 15%

Reference price: ~~£29.98~~

Price checked: 14 Nov 2026

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Pros and cons

Pros

Refill pouch and reusable flask give buyers a way to carry gel without relying only on single-use sachets.
The listed caffeine amount and carbohydrate content make the serving information specific for planning endurance exercise.
Electrolytes and B vitamins are included in the stated formula, alongside the carbohydrate blend.

Technical specifications

15 specifications

Identity
Brand	Kendal Mint Co.
Model	GEL131

Product and serving claims
Pack format	10x70g Serves
Flask capacity	150ml
Caffeine per 70g serve	100mg Caffeine per 70g serve (144mg/ 100g)
Carbohydrate	27.0g
Of which sugars	10.7g
Calcium	35mg
Sodium	49mg
Magnesium	10mg
Potassium	50mg
B vitamins	B3, B5, B6 and B12
Dietary claims	Vegan, Gluten Free
Flavour	Refreshing Citrus & Mint

Other details
Package dimensions and weight	31.2 x 18 x 4.7 cm; 813 g

What to know before buying

The manufacturer suggests taking a first gel within 30 minutes of activity and one every 30–60 minutes thereafter, and says to eat well before exercise. Follow the product label for use and suitability.

Who is it for?

A good fit for

Runners, cyclists and other endurance exercisers who want a caffeinated gel in a refillable-flask format.
Buyers looking for a citrus-and-mint flavour and a product labelled vegan and gluten free.

Less suited to

Anyone avoiding caffeine or seeking a caffeine-free gel.
Buyers who need a precisely quantified carbohydrate intake other than the listed 27g per 70g serve.

Kendal Mint Co. KMC NRG Gel+ GEL131 Caffeine Energy Gel, 10 x 70g with 150ml Flask · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 136 ratings

5 stars65%65%
4 stars18%18%
3 stars9%9%
2 stars4%4%
1 star4%4%

Customer feedback highlights perceived digestive gentleness, energy and performance benefits, with particular mention of half-marathon use and a good caffeine hit. These are customer impressions rather than proof of results. The reported experiences may matter to endurance users, while the listed 100mg caffeine per 70g serve is relevant when planning caffeine intake. Ratings are mostly five-star but include a smaller spread of lower ratings, so experiences are not uniform.

Positive themes

Customers report that the gel feels gentle on the digestive tract.
Customers describe an energy boost and performance benefits, including during half marathons.
Customers mention gel quality and a noticeable caffeine hit.