Perform your best.
Feed your brain.
Our Nootropic Brainfood Bar
Unlock next-level focus with our potent nootropic mushroom bar. Working to fuel your clarity, energy* & focus. Functional food your body can recognise. So you can raise the bar, one tasty bite at a time.
Order Your Starter Kit
Excellent 4.5+
Made In England
VEGAN
Perform
your best.
Feed your brain.
UK Based Nootropic Mushroom Bar
Unlock next-level focus with our potent nootropic mushroom bar. Working to fuel your clarity, energy & focus*. Functional food your body can recognise. So you can raise the bar, one tasty bite at a time.
Made In England
VEGAN
Excellent 4.5+
Shop by function
Eat smarter, think sharper
The All-In-One
Nootropic
Pre-Workout Bar
Our Nootropic Supplement Bar
Unleash your performance with our all-in-one supplement bar, feel the energy*, stamina & drive. Powered by potent adaptogens and functional ingredients. Your new secretly delicious daily treat.
Excellent 4.5+
Made In England
VEGAN
The All-In-One Nootropic
Pre-Workout Bar
Uk Based Nootropic Supplement Bar
Unleash your performance with our all-in-one supplement bar, feel the energy*, stamina & drive. Powered by potent adaptogens and functional ingredients. Your new secretly delicious daily treat.
Excellent 4.5+
VEGAN
Made In England
The performance bar with a happy ending
Why start your day with a slice?
All-in-one blend
Adaptogens, mushrooms, and nutrients - for body, mind, and performance.
Great flavours
f•jacks bars taste delicious, we use quality fruits, nuts and premium chocolate.
Potent formulas
Big doses of functional ingredients to unlock your energy, focus and drive.
All 100% natural
Only clean wholefood ingredients. No preservatives, no nonsense, no shortcuts.
Why start your day with a slice?
All-in-one blend
Adaptogens, mushrooms, and nutrients - for body, mind, and performance.
Great flavours
f•jacks bars taste delicious, we use quality fruits, nuts and premium chocolate.
Potent formulas
Big doses of functional ingredients to unlock your energy, focus and drive.
All 100% natural
Only clean wholefood ingredients. No preservatives, no nonsense, no shortcuts.
IT'S WHAT'S INSIDE THAT COUNTS!
Two performance bars designed to work in perfect harmony.
Big daily dosages
No artificial flavours or preservatives
Vegan & dairy free
🍄 Lion's Mane Mushroom
Used in Eastern medicine for brain health and memory.
🍄 Cordyceps Mushroom
Traditionally used for energy and endurance.
🍄 Chaga Mushroom
Rich in antioxidants and known as the immunity mushroom.
🌿 Brahmi (Bacopa Monnieri)
Helps to maintain good cognitive function & memory*.
🏵️ Rhodiola Rosea
Adaptogen that protects during mental stress*.
🍁 Maple Syrup
Natural sweetener from maple trees, with a caramel-like flavour.
🍫 Vegan White Chocolate
Smooth, creamy, and indulgent for a melt-in-your-mouth feel.
⚡ Pantothenic Acid B5
Contributes to the reduction of tiredness and fatigue*.
🥥 Coconut Oil
Rich in MCTs for energy from healthy coconut fats.
🌾 Oats
Gut-friendly, hearty grains that provide long lasting energy.
🥜 Almond Butter
Packed with fats and protein to keep you fuller for longer.
🌴 Dates
Source of quick energy from fruit sugars and is rich in fibre.
🌰 Roasted Hazelnuts
For flavour, crunch & energy has healthy fats, protein, & nutrients.
❤️ Dried Apricots
Sweet, chewy, and naturally rich in antioxidants.
💪 Pea Protein
Plant-based 80% protein source, containing BCAAs.
Nutritional information →
* See our health claims page for more information
🌿 Epimedium
Traditionally used for vitality and physical wellbeing.
🌿 Maca Root
A Peruvian root traditionally valued for energy, mood and vitality*
🌿 Tribulus Terrestris
A botanical linked to energy and physical performance*
🌿 Ashwagandha
An adaptogenic linked to balance, relaxation and general wellbeing*
💪 L-Arginine
An amino acid commonly used in performance & sports nutrition*
☀️ Vitamin D
Contributes to the maintenance of normal muscle function*
🛡️ Zinc Citrate
An essential mineral that supports cognitive function and metabolism*.
🌴 Dates
Source of quick energy from fruit sugars and is rich in fibre.
🔴 Goji Berries
Superfood that's packed with vitamins and minerals.
🌰 Walnuts
Plant protein with healthy fats, fibre vitamins and minerals.
🍫 Dark Chocolate
Rich, smooth, and indulgent, adding a deep cocoa flavor.
🍍 Pineapple
Contains bromelain emzymes to support recovery after excersise.
💪 Pea Protein
Plant-based protein source, containing BCAAs & is 80% protein.
🍁 Maple Syrup
Natural, sweetener from maple trees. With a caramel-like flavour.
🌾 Oats
Gut-friendly, hearty grains that provide long lasting energy.
Nutritional information →
* See our health claims page for more information
GOING VIRAL,
GOING GLOBAL...
Read what the f•jacks-fans have to say...
Excellent 4.5+
love f•jacks
Read more reviews here->
Maya
"I didn’t believe in all the mushroom hype, but Brainfood genuinely makes a big difference for me. The energy lasts all day."
Cat lover xoxo
"Enjoying the extra energy kick already :-)"
An Honorable Upright Gentleman
"Helps me remember my lines perfectly. I used to have problems with my memory before I started taking BrainFood. It’s my secret weapon."
SAM
"Lovely jubbly!"
Timpson
"I had doubts at first but after 5 weeks of using it, I'm super happy with the results."
John
"Happy customer"
Tommy
"Super clean ingredients and have I better focus during my training sessions. Very happy to get the extra energy too. 🔥🔥🔥"
BAXTER
"Works out cheaper than buying pre-workout, energy drinks and supplements. Plus it’s way more convenient"
Debbie
"So much easier than making powder pre-workout and it tastes nice . Me and my girlfriend use it before we go rock climbing"
Let customers speak for us
QUALITY GUARANTEE
At f•jacks, quality and transparency are our top priority. Our products are made to the highest standards, and designed to deliver real results you can trust. Every single bar uses:
100% natural ingredients
100% fruiting body of the mushroom
Powerful potent dosages
Third party tested
Made In England
Excellent 4.5+
FAQS
Got questions?
We have the answers.
