FLEX

Single Jar

Fuel your FLEX

Premium smooth peanut butter made from 100% roasted peanuts. No palm oil. No added sugar. Built for breakfast, shakes and everyday snacking.

Shop now — £4.99See benefits
No added sugar
No palm oil
Free delivery £25+
FLEX Natural Smooth Peanut Butter

Our Range

Simple. Natural. Delicious.

Most PopularNatural Smooth

Single 510g Jar

Natural Smooth

★★★★★4.5 star reviews

100% roasted peanuts with smooth texture and rich roasted taste.

✓ No palm oil✓ No added sugar✓ High protein

£4.99

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Best ValueNatural Smooth 6 Pack

6 × 510g Jars

Natural Smooth 6 Pack

★★★★★4.5 star reviews

Best value bundle for families, oats, smoothies and everyday snacking.

✓ Free UK delivery✓ Best value✓ 6 jars included

£26.99

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Why FLEX

Better fuel. Better you.

Our natural smooth peanut butter delivers clean nutrition and performance without compromise.

Protein packed

132g of plant protein per jar to power your training.

Clean ingredients

100% roasted peanuts. No fillers or artificial sweeteners.

Smooth texture

No palm oil or added sugar — just smooth peanut butter.

Sustained energy

Healthy fats and protein keep you satisfied for longer.

Ingredients

Nothing but peanuts

We only use roasted peanuts — no palm oil, no added sugar, no nonsense.

FLEX is made with roasted peanuts only. Smooth, rich and naturally packed with plant protein for everyday fuel.

FLEX Natural Smooth Peanut Butter

Get creative

Ways to enjoy FLEX

Whether you're fuelling a workout or making breakfast, FLEX fits seamlessly into your routine.

Spread it

Slather onto toast, pancakes or rice cakes for a satisfying snack.

Blend it

Add a spoonful to smoothies or shakes for creamy texture and protein.

Stir it

Swirl into oats, porridge or yogurt to boost flavour and nutrition.

Scoop it

Enjoy straight from the jar when you need quick, clean energy.

Our story

Born out of necessity

We set out to create the cleanest peanut butter for athletes and food lovers alike.

FLEX began with a simple belief: performance fuel should taste incredible. Tired of overly sweet spreads and unnecessary oils, we focused on what matters – quality ingredients and clean formulation. FLEX is a pantry staple built for training days and healthy kitchens. No added sugar, no palm oil, no fillers — just roasted peanuts, ground smooth.

132g

Protein per jar

100%

Roasted peanuts

Coming soon

More products. Same standards.

As we expand our range, every product stays clean, performance-driven and built around real ingredients.

Reviews

Loved by those who move

Hear what our community says about FLEX

★★★★★

“Smooth, clean and tastes great. Perfect on toast and oats.”

Amazon Customer

★★★★★

“Love that it has no added sugar and no palm oil.”

FLEX Customer

★★★★★

“Great texture and quality. Will definitely buy again.”

Verified Buyer

Do not miss out

Free UK delivery over £25

Stock up on your favourite peanut butter and save on shipping. The 6-pack qualifies automatically.

Questions

Frequently asked questions

If you have more questions feel free to reach out to our team.

Is FLEX peanut butter vegan?

Yes — it’s made from roasted peanuts only.

Where can I purchase FLEX?

You can now buy directly through this website. Amazon UK is also available.

What makes FLEX different?

Clean formulation: no palm oil, no added sugar, no fillers. Built for performance.

Does FLEX contain artificial sweeteners?

No. No artificial sweeteners, no syrups, no fillers.