01
Function you can understand.
A clear reason to exist, a clear serving and no need to decode what the product is meant to do.
THIS IS RUBI
FUNCTION.
MADE DESIRABLE.
RUBI makes functional drinks for real life — clear function, bold flavour and single-serve convenience in something you'll actually look forward to drinking.
25,000+ customers
4.8/5 rated
Clear function. Bold flavour. Single-serve convenience.
25,000+
CUSTOMERS
★★★★★4.8/5
CUSTOMER RATING
THE STARTING POINT
Functional products shouldn't feel like a chore.
RUBI exists around a simple idea: the useful choice should also be the one you want.
Energy shouldn't have to mean another can. Creatine shouldn't have to mean a tub, scoop and routine built around the product. Function, convenience and enjoyment shouldn't feel like trade-offs.
So RUBI is building a different kind of functional drinks brand — single-serve, flavour-led and designed around the way people actually live.
THE RUBI IDEA
Make the useful thing the thing you want.
The best routine is the one you actually want to keep. That's why RUBI treats taste, design and convenience as part of the product — not decoration around it.
02
Convenience that removes friction.
Single-serve, portable and pre-measured, so the product fits your day instead of becoming another job.
03
Taste and design you want around.
If something is meant to become part of everyday life, enjoying it and wanting to carry it both matter.
FUNCTION DOESN'T HAVE TO LOOK CLINICAL
Colour is part of the experience.
RUBI is built to feel bright, flavour-led and worth reaching for. The function matters. So does how the product makes everyday life feel.
RUBI FLAVOUR
Peach & Mango
Juicy, bright and tropical.
RUBI FLAVOUR
Strawberry & Watermelon
Sweet, refreshing and berry-led.
RUBI FLAVOUR
Blueberry
Bold, smooth and fruit-forward.
RUBI FLAVOUR
Crisp Apple
Fresh, crisp and ultra-clean.
WHAT WE DON'T COMPROMISE ON
The details still have to do the work.
A better-looking format only matters if the product behind it is clear. These are the facts at the centre of the current RUBI range.
RUBI ENERGY
Energy that fits real life.
A fruity, single-serve energy drink made to give you a clear, easy-to-understand format without another can.
80MG
Caffeine
In every RUBI Energy sachet.
0G
Sugar
Across the current RUBI Energy range.
L-THEANINE
Included in the formula
Part of the current RUBI Energy formulation.
B6+B12
Included in every sachet
Part of the current RUBI Energy formulation.
RUBI CREATINE
Your daily 5g. Without the tub.
A full daily serving of Creatine Monohydrate in one fruity, pre-measured sachet — designed to remove the scoop, mess and guesswork.
5G
Creatine Monohydrate
In every RUBI Creatine sachet.
0G
Sugar
Across the current RUBI Creatine range.
1
Pre-measured sachet
One single-serve format. No scoop or weighing.
WATER
Just add and shake
Made to fit naturally into an everyday routine.
MEET THE LINE-UP
Different goals. Same RUBI rule.
Clear function, single-serve convenience and flavours made to feel like a drink you actually chose — not a compromise you tolerated.
RUBI ENERGY
Energy for real life.
80mg caffeine in a fruity, zero-sugar single-serve sachet. Add cold water, shake and go.
DISCOVER ENERGY →
RUBI CREATINE
Your daily 5g. Without the tub.
5g Creatine Monohydrate in every fruity, zero-sugar, pre-measured sachet. No scoop. No guessing.
DISCOVER CREATINE →RUBI IN REAL ROUTINES
Don't just take it from us.
RUBI, IN THE WILD
Made to live outside the kitchen cupboard.
At the desk. On the commute. In the gym bag. In the car. On the kitchen counter. RUBI is designed to belong in real life.
WHY WE BUILT RUBI
“We wanted functional products to feel like something you'd choose — not something you had to force into your routine.”
RUBI was built around a simple frustration: too many functional products ask you to compromise somewhere — taste, convenience, design or the way they fit into everyday life. We wanted to build the opposite: products with a clear purpose, in a format that feels effortless, and a brand people are genuinely happy to have with them. Energy and Creatine are the start of that idea, not the limit of it.
— The RUBI Team
THE RUBI STANDARD
FUNCTION SHOULD
FEEL THIS GOOD.
Energy. Creatine. And everything RUBI builds next follows the same rule: useful enough to matter, enjoyable enough to become part of your life.
