£54.99

It has never been this cheap. We have no record of a lower price.

£55 today · cheaper than every other day in the last 3 months

Reflex Nutrition Instant Mass Heavyweight 5.4kg - Chocolate PB

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Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 45 days · 45 data points (no recent data)

Historical
Generating forecast…
£54.99 £52.24 £53.34 £54.44 £55.54 £56.64 £57.74 01 August 2026 12 August 2026 23 August 2026 03 September 2026 14 September 2026
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Black / Orange, Instant Mass Heavyweight Protein

Price data last checked 46 day(s) ago - refreshing...

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Price Distribution

Price distribution over 45 days • 1 price levels

Days at Price
45 days 0 11 23 34 45 £55 Days at Price

Price Analysis

Most common price: £55 (45 days, 100.0%)

Price range: £55 - £55

Price levels: 1 different prices over 45 days

Description

Reflex Nutrition Instant Mass Heavyweight is a high-calorie weight gainer designed specifically for hard gainers and athletes. This 5.4kg tub provides a massive nutritional boost, delivering over 1000 calories per shake to help you meet your bulking requirements. The formula is built around a premium protein blend that includes four sources of whey and slow-releasing micellar casein. This combination ensures your body receives both immediate and sustained amino acid delivery to support muscle maintenance. Each serving is packed with a blend of quality proteins and complex carbohydrates to fuel your training and recovery. By combining fast-acting whey with slower-digesting casein, this supplement supports your nutritional needs throughout different stages of digestion. Whether you are looking to increase your daily caloric intake or need a reliable macronutrient source for muscle building, this chocolate peanut butter flavored powder offers a substantial and effective solution for your fitness journey.

Key Features

High Calorie Bulking Formula: Delivers over 1000 calories per shake to help hard gainers meet their daily nutritional requirements for building and maintaining muscle mass.

Multi-Stage Protein Blend: Combines four premium whey protein sources with slow-releasing micellar casein for both immediate and sustained amino acid delivery.

Rich Macronutrient Profile: Each 300g serving provides a significant amount of carbohydrates and protein to fuel your body during intense training periods.

Optimized for Recovery: Includes creatine within the formula to support your athletic performance and muscle building goals.

Easy to Prepare: Simply stir 300g of powder into sufficient liquid to create a substantial shake that fits into your daily diet.

Quality Protein Sources: Features carefully processed whey protein concentrate and hydrolysed whey to ensure high purity and effectiveness.

Product Specifications

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