USN Muscle Fuel STS 2kg

$79.95 $49.95
In stock
Free delivery

An essential supplement from the Core Series, the Muscle Fuel STS comes in 3 tasty flavours and a packed with the nutrients you need to support your training goals.

Noted by users as one of our best tasting products, our all-in-one Muscle Fuel STS is suitable for almost any fitness enthusiast.

  • A High-Quality All-In-One Protein Formula
  • Supports Muscle Recovery and Growth
  • Supports the Reduction of Fatigue
  • Suitable for Women and Men
USN Muscle Fuel STS 2kg

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$79.95 $49.95

What is Muscle Fuel STS?

The USN Muscle Fuel STS is a brilliant addition to the Core Series, it has been scientifically formulated to supply fitness fanatics and gym goers of all ages with a premium all-in-one supplement. Providing you with a supply of protein sourced from five premium sources, our Muscle Fuel STS also provides your body with a range of valuable nutrients, supporting your general health.

What are the benefits?

The high protein formula includes whey protein concentrate and can support your body with the growth and maintenance of lean muscle mass.

Our all-in-one supplement also contains BCAA's and Glutamine, which are hugely important and can give you that extra boost during your recovery. Also provided in our Muscle Fuel STS is magnesium, which has been shown to contribute to normal energy yielding metabolism, as well as normal protein synthesis.

Being an all-in-one supplement, our Muscle Fuel STS contains a host of nutrients offering a variety of benefits, such as our Zinc content which can support a normal metabolism of fatty acids, and provide maintenance to your testosterone levels. ƒƒ Whilst benefiting your general health with the additional Vit A and Vit E, our formula also contains Biotin, which supports your metabolism.

Is this product for me?

If you’re looking for an all-in-one supplement which can benefit your training, look no further. Suitable for both men and women with any training goal, our supplement is noted for being one of the best tasting shakes.


  • ƒƒMaltodextrin
  • Whey protein isolate & concentrate (38%) blend
  • Soy protein isolate
  • Cocoa powder (only in Chocolate variant)
  • Rice starch
  • MCT (Medium Chain Triglyceride) Oil (from palm kernel)
  • Egg albumen
  • Calcium caseinate
  • Flavouring
  • Fructo-oligosaccharides (FOS)
  • Colour: Red beet powder (only in Strawberry variant)
  • Stabiliser (Cellulose gum)
  • Taurine
  • Glutamine
  • Leucine
  • Isoleucine
  • Valine
  • Magnesium oxide
  • Non-nutritive sweetener (Sucralose)
  • L-Ascorbic acid
  • D-Alphatocoferol acetate
  • ToleraseTM (pH-stable lactase)
  • Nicotinamide
  • Zinc citrate dihydrate
  • Thiamin HCl
  • D-Calcium pantothenate
  • Pyridoxine- 5-Phosphate
  • Riboflavin
  • Vitamin A palmitate
  • Biotin
  • Folic Acid (Pteroylmonoglutamic acid)
  • Cyanocobalamin
  • Cholecalcipherol

Nutritional Information
Serving Size: 2 Scoops (110g)
 Energy Per 100g
Per 110g
40.0g 44.0g  
Of which Sugars


of Which saturated
83mg 91mg  
0.8g 0.9  
300mg 330mg  
Vitamin A 243μg 267μg  
Vitamin D 0.3μg 0.3μg  
Vitamin E 8mg 9mg 33
Vitamin C 18mg 20mg 7
Vitamin B1 4.0mg 4.4mg 74
Vitamin B2 0.5mg 0.6mg 25
Niacin 5.4mg 5.9mg 399
Vitamin B6 0.6mg 0.7mg 40
Folic Acid 61mg 67mg 37
Vitamin B12 2.4μg 2.6μg 47
Biotin 90μg 99μg 34
Panthothenic Acid 3.0mg 3.3mg 106
Potassium 278mg 306mg 198
Calcium 190mg 209mg 55
Phosphorus 115mg 127mg 15
Magnesium 65mg 72mg 26
Zinc 1.4mg 1.5mg 18
Total BCAAs** 7.5mg 8.3g 19
Total Glutamine/Gutamic Acid 5.5mg 6.1g 15
Taurine 0.1g 0.1g