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Growth Matrix 1.8kg
By Reflex
Reflex Growth Matrix is a mass gainer powder in a 1.8kg tub, from a UK brand with a long record in protein manufacturing. It is for lifters whose training is consistent but...
— On the shelf
Most gainers lean on chocolate and vanilla; Growth Matrix takes a fruit direction instead, which makes it easier to face twice a day. The 1.8kg tub is a more committable size than the sack-sized gainers, and Reflex's UK manufacturing pedigree sits behind it. It suits lifters who train hard but consistently under-eat, and who want extra calories without another dessert-flavoured shake. Skip it if your scales are already moving — this is a tool for a specific problem.
— Details
What you need to know.
How to use
Drink it between meals to add calories on top of your food, not in place of it. Follow the label for the serving size, and consider starting at half a scoop to gauge how it sits. Milk adds further calories; water keeps it lighter.
Shipping & returns
Free UK shipping over £45 · £6 flat under · 30-day returns · 2pm cutoff for next-day dispatch.
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— Stacks
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- Free UK shipping over £45
- 2pm cutoff for next-day dispatch
- 30-day returns