f•jacks the one week bar.
f•jacks is designed to be your 7-day performance system. Giving you an edge all week long.
f•jacks bars are divided into 7 pre-measured daily sections. Why 7 days? Because real results come from daily consistency and routine, not one-off snacks.
Each serving is loaded with our signature blend of natural actives like Maca root, Ashwagandha, Lion's mane and Chaga. Your week’s worth of functional ingredients in one powerful compact bar. Perfect for travel, gym bags, or office desks. Designed for your daily routine.
Eco-Friendly & Sustainable: Our design cuts down packaging waste by over 85%.
Instead of paying for 7 individually packaged bars, you’re paying for pure ingredients. No fillers or “fluff” used to bulk out smaller daily bars and powders. So you're paying for potency not packaging.
Less packaging = more quality and better value.
What's a supplement bar?
Think of f•jacks as your supplements, reimagined, not just another powder or capsule. Each bar delivers functional ingredients in a convenient, great-tasting snack, so you can eat your supplements instead of swallowing pills or mixing powder drinks.
We created snappable weekly bars becasue we were tired of stacking pills every morning.
Have Boosting bars got caffeine in them?
No, f•jacks Boosting Bars contains zero caffeine.
The energy and performance benefits come from adaptogens, nootropics, and wholefood ingrediends, not stimulants.
Unlike many pre-workouts and energy drinks, f•jacks is gives you clean, steady energy with no jitters or crash.
How does it taste?
f•jacks Boosting Bar is a delicious chocolatey, nutty and fruity snack formulated to be part of your daily ritual.
Are the ingredients safe?
Absolutely! We use only natural, high-quality ingredients with no artificial stimulants.
If you have any pre-existing medical conditions or take medication, consult your doctor before use.
How does it work?
It has adaptogenic botanicals and key nutrients often used in sports nutrition, including L-arginine. With Zinc and Vitamin D, it supports cognitive function, metabolism and muscle function* for energy and focus throughout the day.
How will I feel when taking f•jacks ?
f•jacks Boosting Bar is made for people who want fuel for both their body and mind. It supports energy, stamina and drive in a cleaner, more natural way. Because it’s made from whole foods and natural ingredients, you can enjoy it daily without jitters or crashes.
In short, you can expect steady energy, sharper focus, and drive.
Some ingredients give an instant boost, while others support long-term health. Many people feel a difference within a few days, but for the best results we recommend using f•jacks consistently for at least 3 months.
How do I know if Boosting bar is right for me?
If you want more reliable energy, sharper focus and better stamina, without relying on caffeine or stacking supplements, f•jacks is for you.
It’s ideal for people who train, work hard, and want a simple, convenient way to support daily performance using real food and functional ingredients.
What products does f•jacks replace?
f•jacks is a convenient alternative to taking multiple performance supplements such as pre-workout powders, energy boosters or bars.
Instead of juggling pills, scoops, and shakes, you get comprehensive performance support in one delicious functional bar.
What 's the best way to use f•jacks?
f•jacks is super versatile. Get creative and make it part of your daily routine.
Enjoy it any time of day: sprinkled over porridge or yoghurt, blended into your smoothies, or simply eaten on its own as a quick, satisfying snack.
For best results, we recommend one 30g serving per day to support long-term benefits.
Can I eat more than one serving per day?
We know f•jacks tastes amazing and it can be tempting to have more than one! While it’s perfectly safe to enjoy a second serving if you want an extra boost, one serving per day is enough to feel the full benefits.
Listen to your body and let f•jacks work its magic consistently.
For best results, we recommend no more than two 30g servings per day.
What is f•jacks Boosting Bar??
f•jacks Boosting Bar is an all-in-one nootropic pre-workout bar designed to support energy, focus, and stamina.
Powered by adaptogens and nootropics like Maca root, Ashwagandha and L-arginine, it fuels both your body and mind, without caffeine, jitters, or crashes.
Is f•jacks for both men and women?
Absolutely, f•jacks Boosting Bar is designed for men and women, everyone can enjoy the benefits.
Is it safe while pregnant, breastfeeding or on medication?
While all our ingredients are natural, we recommend consulting your GP first if you’re pregnant, breastfeeding, or on any medication before using it.
How do I store the bar?
Keep it in the fridge and enjoy it within the best before date on the packaging.
Is this suitable for vegans?
Yes! The bar is 100% plant-based and free from any animal products.
What's the best f•jacks for me?
Boosting bar: Your daily ritual for energy, stamina, and drive. With adaptogens like Maca root, Ashwagandha and Tribulus to support endurance, focus and performance naturally.
Brainfood: Your new mental pick me up. Powered by functional mushrooms and adaptogens like Lion’s Mane, Cordyceps, and Rhodiola, it delivers steady, focused energy. Calm, clean fuel for your day.
Our two bars complement each other perfectly.
Why does the packaging say fapjack?
f•jacks is the new name for fapjack. Some packaging may still display the previous fapjack branding. The product itself is exactly the same and is produced by FJACK LTD, the company behind the f•jacks brand.
When can I expect my order to arrive?
Delivery times depend on your location, but we always aim to dispatch orders as quickly as possible, usually within 5 working days as our bars are made fresh to order.
•UK Orders: Typically arrives within 2 working days after dispatch.
•EU Orders: Delivered by your local postal service in 3–5 working days.
•Rest of the World: Delivery times vary depending on customs and local carriers, but every order is fully tracked for peace of mind.
How do subcriptions work?
All f•jacks products are available as subscriptions, so your favourite bars arrive every month, no effort required.
Managing your subscription is simple. Once your order is placed, you can update everything including:
• Changing the products in your next delivery
• Skiping a month
• Updating your personal details
• Adjusting your delivery date
• Cancelling, but we’d love for you to stay and experience the full benefits!
Eat smarter, think sharper 🍫 🍄
1 Week Brainfood Bar
Have these got magic mushrooms in?
No, Brainfood doesn't have magic mushrooms or any psychedelics. Sorry! They’re made with safe, natural ingredients designed to support focus, energy, and mental performance.
How does it taste?
Brainfood is crunchy, chewy and delightfully chocolatey.
Are the ingredients safe?
Absolutely! We use only natural, high-quality ingredients and the fruiting body of the mushroom. Our high dose formula is stronger & more effective than most products on the market today.
However, if you have any pre-existing medical conditions or take medication, consult your doctor before use.
How does it work?
Our blend of mushrooms and botanicals creates a adaptogenic effect that supports both body and mind. They support the body's natural response to stress. It also Includes Vitamin B5, which supports energy metabolism, mental performance and helps reduce tiredness and fatigue.
How will I feel when taking Brainfood?
f•jacks Brainfood is made for people who want to think sharper, focus longer, and feel energised without the crash or jitters of traditional stimulants. Because it’s made from whole foods and natural nootropics, you can enjoy it daily as a steady, clean energy for your mind.
In short, you can expect enhanced focus, clearer thinking, and better productivity.
Some ingredients provide an immediate lift in alertness, while others support long-term cognitive health. Many people notice a difference within a few days, but for lasting benefits we recommend using Brainfood consistently for 3 months.
How do I know if Brainfood is right for me?
If you need sharper focus for work/study, or want a simple daily routine to support long-term cognitive health, Brainfood is a great fit.
f•jacks is perfect if you want a natural way to boost focus, mental clarity, and sustained energy without relying on caffeine or other stimulants.
It’s designed for anyone who wants to feel mentally alert and balanced every day.
What products does Brainfood replace?
Brainfood is a convenient alternative to taking a whole stack of mental performance aids.
Instead of taking separate nootropic powders, focus supplements, or caffeine-heavy energy drinks, Brainfood combines natural ingredients that have traditionally been used to support focus, memory, and sustained energy.
What's the best way to use Brainfood?
Brainfood is super versatile. Get creative and make it part of your daily routine.
You can enjoy it anytime of the day: sprinkled over porridge or yoghurt, blended into your smooothies or simply eaten on its own as a quick, satisfying snack.
For best results, we recommend one 30g serving per day to support long-term benefits.
Can I eat more than one serving of f•jacks per day?
We know f•jacks tastes amazing, and it can be tempting to have more than one! While it’s perfectly safe to enjoy a second serving if you want an extra boost, one serving per day is enough to feel the full benefits. Listen to your body, and let f•jacks work its magic consistently.
For best results, we reccomend no more than two 30g servings per day.
What is f•jacks Brainfood?
Brainfood is our nootropic bar powered by mushrooms & adaptogens & Vitamin B5 designed to unleash a sharper, more energised you. This powerful blend of ingredients have traditionally been used to support mental performance, elevating your mind and body.
Is f•jacks for both men and women?
f•jacks bars are designed for men and women alike, everyone can enjoy the benefits.
Is it safe while pregnant, breastfeeding or on medication?
Although our ingredients are natural, we recommend consulting your GP first if you’re pregnant, breastfeeding or on any medication before using it.
How should I store the bars?
Keep it in the fridge and enjoy it within the best before date on the pack.
Is this suitable for vegans?
Yes! The bar is 100% plant-based and free from any animal products.
Contact Us
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