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SIS REGO Protein Bar

SIS REGO Protein Bar
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Price: £1.79
Manufacturer: Science In Sport (SiS)
Stock Level: 10
Product Code: SIS057
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SIS REGO Protein Bar

This product was previously branded as the SIS Build Bar

The Science In Sport REGO Protein Bar has been developed to help meet the protein needs of athletes and sports people.

The REGO protein bar provides an easy way to consume high quality protein which can help maximise training, prevent the break down of muscle when you're running short of protein and aid recovery from exercise. Each 55g bar provides at least 18g of protein along with antioxidants (green tea extract and L-Carnitine) and less than 6.5g of fat making it favourable in balance to nuts and other foods.

Recommended Usage

Easy to store in car, kit bag or at the office so it can be consumed immediately after exercise, or as a high protein snack at any time during the day, without the hassle of mixing a protein or recovery drink.


The SIS REGO Protein Bar is available in Chocolate & Caramel or Chocolate & Peanut flavours.

Alternative Pack Sizes

As well as single bars SIS REGO Bars are also available in -

Product Codes

  • SIS REGO Protein Bar Peanut 55g - MPN/UPC 5025324009169
  • SIS REGO Protein Bar Caramel 55g - MPN/UPC 5025324009299

Nutritional Information

Nutritional information per 55g SIS REGO Protein Bar -

  • Energy - 222kcal
  • Protein - 20g
  • Carbohydrate - 21.2g
  • Fat - 6.4g
  • Fibre - 0.4g
  • Sodium - 0.13g


Protein blend 25.4% (calcium caseinate, hydrolysed wheat gluten, whey protein, soy protein, milk protein), glucose syrup, milk chocolate 18.2 % (sugar, cocoa butter, whole milk powder, cocoa mass, emulsifier: soy lecithin, flavourings), invert sugar syrup, gelatine hydrolysate, peanuts 3.7%, soy crisps (soy protein, tapioca starch, salt), palm fat, flavourings, emulsifier: soy lecithin, l-carnitine tartrate 0.15%, green tea extract 0.12%, salt.

Allergen & Dietary Information

Contains peanuts, milk, soya, gluten and may contain traces of other nuts.

Press Reviews

Triathlon Plus

The Rego bar packs a higher protein percentage than any of the others here. It tasted good with a fast digesting texture under a thin chocolate skin. That meant we never struggled to eat one straight after training. Verdict 4/5

Source: Best Protein Bars For Triathletes, Triathlon Plus, April 2013

Triathlete's World

"Multiple Olympic-gold medallist Sir Chris Hoy didn't only eat Bran Flakes to get him where he is today: he's a fan of Science In Sport products too. The sports nutrition company has been working with him to develop its new Build Bar. Each 55g bar packs 20g of protein to aid recovery from exercise and prevent muscle breakdown after a tough session. Several tasters rated itnas the best-tasting sports bar they'd ever tried. It tastes natural, doesn't have the chalky texture in some protein products, and is moist and delicious".

Source:  Triathlete's World Magazine, May 2010


What does a Build Bar taste like? Very good indeed. A chocolate coating, with the flavour and texture of the inside bar reminiscent of caramel slice, or even - thanks to those peanuts - an old-skool Marathon bar. Yes, I know they’re called Snickers now, but I’m slow to adapt. Either way, you’ll have no problem enjoying this on your next bike ride.

I’ve tried a lot of carbo-and-protein mix products over the past couple of years, and the Build Bar is already a definite favourite. I tested two in a recent sportive, eating one at about 50 miles and the other at about 70 miles, and they went down well.

Overall, I’d recommend the Build Bar as worth trying. As with all energy products, only trial and error will help you find what works best for you, but this is a good one to consider adding to your armoury.

Source: Road.cc SIS Build Bar Review - May 2010

Cycling Plus

With 20g of protein per 55g bar, Science In Sport's chocolate and peanut Build Bars are great for muscle strength. Each bar contains L-carnitine tartrate (0.15%) which aids, strength, endurance and muscle recovery. Tasting like a crushed up Snickers, the Build Bar is actually pretty nice, although like many protein bars they are quite dry.

Source: Cycling Plus

Bike Magic

"Happily passes the taste test, being easily one of the nicest bars we’ve yet munched on after a ride". Bike Magic Verdict - 4 stars out of 5.

Source: Bike Magic SIS Build Bar Review - May 2010


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