Instant Mass Heavyweight
by Reflex Nutrition
Calories that count: a high-protein, high-carb formula built for serious muscle and weight gain.
- Up to 50g protein per serving
- Low fat - under 3g per 100g
- High calorie for bulking phases
- For shakes, smoothies, baking and more
Best price today
Awaiting restockT-Nutrition
Verified retailer
5.4kg · Cookies & Cream · Trusted by thousands
£34.95
£0.65 / 100g
You save £30.04vs highest retailer
Secure retailer checkout
Price checked this weekCompared across 6 retailers36 in stock
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Nutritional profile
What's inside
Values per 100g
20g protein
50g per 250g serving
68g carbohydrates
170g per 250g serving
2g fat
4.5g per 250g serving - very lean
373 kcal
933 kcal per 250g serving
20g protein
50g per 250g serving
68g carbohydrates
170g per 250g serving
2g fat
4.5g per 250g serving - very lean
373 kcal
933 kcal per 250g serving
Frequently asked questions
Where is the cheapest place to buy Reflex Nutrition Instant Mass Heavyweight in the UK?
Based on today's prices, T-Nutrition is the cheapest at £0.65 per 100g for the 5.4kg bag. WheyWise checks prices weekly across 6 UK retailers stocking this product.
How much protein does Instant Mass Heavyweight contain per 100g?
Instant Mass Heavyweight contains 20g of protein per 100g, with 50g per 250g serving. It is a mass gainer product.
Is Reflex Nutrition Instant Mass Heavyweight currently in stock?
As of today, 36 out of 42 tracked variants are in stock. Stock status is updated weekly.
