£53.97

This is the usual price. Wait for it to drop, or tell us your number.

£54 today · usual range £51–£55 · best ever £51

Reflex Nutrition Instant Mass Heavyweight - 5.4kg Mass Gainer

Amazon

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 £50.69 £51.63 £52.57 £53.50 £54.44 £55.38 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 • 4 price levels

Days at Price
Current Price
7 days 5 days 29 days · current 4 days 0 7 15 22 29 £51 £53 £54 £55 Days at Price

Price Analysis

Most common price: £54 (29 days, 64.4%)

Price range: £51 - £55

Price levels: 4 different prices over 45 days

Description

Reflex Nutrition Instant Mass Heavyweight is a high-calorie mass gainer designed specifically for hard gainers and serious athletes. Each serving provides over 1000 calories to help fuel your body with the substantial macronutrients needed to build and maintain muscle mass. This formula uses a premium protein blend that combines four sources of whey protein with slow-releasing micellar casein. This combination ensures both immediate and sustained amino acid delivery to support your fitness goals. Beyond protein, this shake provides a massive nutritional boost with 200g of complex carbohydrates and essential micronutrients. The inclusion of creatine and critical EAAs supports muscle growth and recovery. Whether used as a post-workout shake or a high-calorie option before bed, this Strawberries and Cream flavored powder helps you meet your daily caloric requirements. It is an effective solution for anyone looking to increase their weight and improve overall workout performance through high-quality nutrition.

Key Features

High Calorie Formula: Each serving delivers over 1000 calories and 200g of complex carbohydrates to help hard gainers meet their daily energy needs.

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

Muscle Building Support: Packed with 60g of protein per serving along with creatine and critical EAAs to aid muscle mass maintenance.

Essential Micronutrients: Enriched with 18 vitamins and minerals including B12, B6, C, Iron, and Zinc to support overall nutritional health.

Optimized Recovery: Specifically formulated to accelerate weight gains and improve post-workout recovery for dedicated athletes.

Delicious Flavor: Enjoy a smooth Strawberries and Cream taste that makes hitting your high-calorie targets easier and more enjoyable.

Product Specifications

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