USN Muscle Fuel Anabolic Mass Gainer, Caramel Peanut, 2kg

USN Muscle Fuel Anabolic is a Caramel Peanut mass-gainer powder combining protein, carbohydrates, creatine, amino acids, vitamins and minerals. Its listed 54g protein and 77g carbohydrates suit buyers seeking a substantial post-workout shake or weight-gain supplement, rather than a protein-only powder.

At a glance

The listing describes an all-in-one shake with protein, carbohydrates, creatine, BCAAs, amino acids, vitamins and minerals.
The product description lists 54g protein and 77g carbohydrates per serving.
The manufacturer says it mixes with water and recommends 3 heaped scoops in 500-600ml of cold water.
The directions include a staged serving schedule that varies by body weight.

Price

£34.00Save 15%

Reference price: ~~£40.00~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

Combines protein and carbohydrates with creatine and other listed ingredients in one powder.
Caffeine-free and labelled vegetarian.
The supplied directions allow servings to be halved.

Cons

A 2kg tub is listed as 13 servings, so it may be a short supply for buyers following the suggested daily schedule.

Technical specifications

17 specifications

Identity
Brand	USN
Model	USN Muscle Fuel Anabolic
Flavour	Caramel Peanut
Product type	Protein Powder
Package type	Tub

Nutrition and ingredients
Protein	54 g
Carbohydrates	77g
HMB	850mg
Protein sources	Egg, Soy, Whey
Diet type	Vegetarian
Caffeine	Caffeine Free
Allergens	Contains: Hazelnuts, Milk, Mustard, Peanuts

Pack and dimensions
Servings per container	13.0
Weight	2 Kilograms
Listed dimensions	19 x 19 x 30.5 centimetres
Number of items	1
Country of origin	Belgium

What to know before buying

The label lists milk, peanuts and hazelnuts among allergens, and the ingredients also include soy and oat seed extract containing gluten. The manufacturer advises consulting a healthcare professional, not using during pregnancy or lactation or if under 18, not exceeding the recommended intake, and not combining it with another creatine supplement. It should not replace a varied, balanced diet and healthy lifestyle. Follow the body-weight-specific serving schedule, and seek advice about lactose tolerance if relevant.

Who is it for?

A good fit for

People seeking a combined protein-and-carbohydrate mass-gainer shake for weight gain or post-workout use.
Buyers who prefer a flavoured powder with creatine and other ingredients included.

Less suited to

Anyone avoiding milk, peanuts, hazelnuts, soy or gluten-containing ingredients.
People seeking a low-carbohydrate protein powder or a supplement without creatine.

USN Muscle Fuel Anabolic Mass Gainer, Caramel Peanut, 2kg · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 158 ratings

5 stars70%70%
4 stars13%13%
3 stars6%6%
2 stars4%4%
1 star7%7%

Customer feedback describes the powder's quality positively, while taste and mixability receive mixed comments. Some customers report plenty of flavour and good mixing, while others find it less sweet than expected. For a 2kg mass gainer intended to be mixed with water, taste and ease of mixing can affect day-to-day use. Aggregate ratings lean positive overall, but do not explain the differing experiences.