Name: Reflex Nutrition Instant Mass® Heavyweight
Brand: Reflex Nutrition
Availability: InStock

The bottom line

Reflex Nutrition Instant Mass® Heavyweight is a mass gainers that covers the usual bases in this category, though it sits at a premium versus typical options. A reasonable pick in this category if the flavour you want is in stock.

Price history

Chocolate Perfection · 5.4kg, cheapest retailer each day, 18 Jul to 15 Oct 2026

18 JulDashed line: typical price £78.9915 Oct

Lowest

£53.99

Typical

£78.99

Latest

£53.99

The latest price is below typical.

Nutrition

Values for Chocolate Perfection.	Per 300g	Per 100g
Energy	1088kcal	363kcal
Fat	6.6g	2.2g
of which saturates	2.7g	0.9g
Carbohydrate	195g	65g
of which sugars	14g	4.8g
Fibre	4.5g	1.5g
Protein	60g	20g
Salt	0.6g	0.2g
Vitamin A	400µg	133µg
Vitamin D3	7.5µg	2.5µg
Vitamin E	6mg	2mg
Vitamin C	100mg	33mg
Vitamin B1	1.1mg	0.4mg
Vitamin B2	1.4mg	0.5mg
Niacin	8mg	2.7mg
Vitamin B6	1.4mg	0.5mg
Folic Acid	100µg	33µg
Vitamin B12	1.2µg	0.4µg
Biotin	75µg	25µg
Pantothenic Acid	3mg	1mg
Magnesium	150mg	50mg
Iron	2.1mg	0.7mg
Zinc	7.5mg	2.5mg
Copper	750µg	250µg
Selenium	27µg	9µg
Chromium	50µg	17µg
L-Glutamine	1g	–
Creapure® Creatine Monohydrate	3g	–
L-Choline	100mg	–
BioPerine® Piperine	5mg	–
LactoSpore® Bacillus coagulans	50000000	–

Read from the label: see the label

Every size compared

Chocolate Perfection, cheapest retailer for each size

Size	Servings	Price	Per serving	Per kg
2kg	6	£24.95	£4.16	£12.48
5.4kg	18	£53.99	£3.00	£10.00

The 5.4kg works out 28% cheaper per serving than the 2kg.

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