SiS

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SiS sports nutrition is scientifically supported sports nutrition with a focus on quality and performance. Team Ineos, Team Wiggins, Team USA are just some of the professional cycling teams that only use gels, bars, recovery drinks and sports drinks from SiS. Mantel offers a wide range of SiS products, most of which are available in value packs. SiS sports nutrition will help you prevent hitting the proverbial wall.

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Hydration Carbohydrates Protein Water Bottles & Holders
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SiS Go Hydro Tablets Lemon
SiS Go Hydro Tablets Red Berry
SiS Go Hydro Tablets Cola
SiS Go Hydro Tablets Pineapple
SiS Go Hydro Tablets
Deals

SiS Go Hydro Tablets

(57)
Previous lowest price 11,23 From 9,59
SiS Go Electrolyte
SiS Go Electrolyte

SiS Go Electrolyte

(145)
RRP 19,17 From 15,74
SiS Go Isotonic Energy Gel 3 pieces / Orange
SiS Go Isotonic Energy Gel 3 pieces / Blackcurrent
SiS Go Isotonic Energy Gel 3 pieces / Lime
SiS Go Isotonic Energy Gel 3 pieces / Apple
SiS Go Isotonic Energy Gel
Deals

SiS Go Isotonic Energy Gel

(150)
Previous lowest price 6,71 From 5,59
SiS Rego Rapid Recovery 1500 grams / Vanilla
SiS Rego Rapid Recovery 1500 grams / Strawberry
SiS Rego Rapid Recovery 1500 grams / Chocolate
SiS Rego Rapid Recovery 500 grams / Vanilla
SiS Rego Rapid Recovery
Deals

SiS Rego Rapid Recovery

(50)
Previous lowest price 20,26 From 15,74
SiS Go Energy Caffeine Gel Cola
SiS Go Energy Caffeine Gel Cola
SiS Go Energy Caffeine Gel Berry
SiS Go Energy Caffeine Gel Double Espresso
SiS Go Energy Caffeine Gel
Deals

SiS Go Energy Caffeine Gel

(25)
Previous lowest price 7,45 From 6,21
SiS Beta Fuel Sports Gel Strawberry
SiS Beta Fuel Sports Gel Orange
Deals

SiS Beta Fuel Sports Gel

(16)
Previous lowest price 9,45 From 8,46
SiS Beta Fuel 80 Orange
SiS Beta Fuel 80 Strawberry
SiS Beta Fuel 80 Red Berry
Deals

SiS Beta Fuel 80

(8)
Previous lowest price 9,99 From 9,31
SiS Go Energy + Electrolyte Gel Red Berry
SiS Go Energy + Electrolyte Gel Red Berry
SiS Go Energy + Electrolyte Gel Lime
Deals

SiS Go Energy + Electrolyte Gel

(2)
Previous lowest price 8,43 From 6,71
SiS Go Energy Bake Bundle Strawberry
SiS Go Energy Bake Bundle Lemon
SiS Go Energy Bake Bundle

SiS Go Energy Bake Bundle

RRP 7,75 From 7,41
SiS Beta Fuel Energy Chew Bar Orange
SiS Beta Fuel Energy Chew Bar Lime
SiS Beta Fuel Energy Chew Bar Orange
SiS Beta Fuel Energy Chew Bar

SiS Beta Fuel Energy Chew Bar

(10)
RRP 11,82 From 11,27
SiS Beta Fuel + Nootropics
SiS Beta Fuel + Nootropics

SiS Beta Fuel + Nootropics

(1)
RRP 10,12 From 9,45
SiS 800ml Bottle

SiS 800ml Bottle

(37)
RRP 8,12 From 7,11
SiS Go Energy Bar
SiS Go Energy Bar

SiS Go Energy Bar

(24)
From 6,71
SiS 600ml Water Bottle
SiS 600ml Water Bottle

SiS 600ml Water Bottle

(15)
RRP 6,09 5,58

About SiS sports nutrition

SiS (Science in Sport) is one of the market leaders in the field of sports nutrition and supplements. SiS collaborates with some of the biggest names in sports, including Team Ineos and British Cycling. But big football clubs such as Manchester United also swear by SiS sports nutrition!

Which type of SiS sports nutrition should I have, and at what moment should I have it?

SiS sports nutrition is divided into three specific groups: before, during and after exercise. These are respectively labelled SiS GO, SiS REGO, and PROTEIN, the latter referring to the important protein composition WHEY20. GO consists of a range of energy powders, isotonic gels, energy bars and hydration tablets. The REGO group is filled with a wide range of recovery products.