Eroica benefits
Your protein bar just grew up.
Most protein bars are small, ultraprocessed and gone before your hunger has noticed. Eroica is everything they aren't.
Macros that matter
20g Protein • High Fibre • 409 Cals • Low Saturated Fat. Recovery for grown ups.
Energy & Antioxidant support
High in Vit E, Copper, Manganese, B2 & Magnesium*. Antioxidant protection your cells can use, plus real energy support.
"Top choice if you're on a muscle-building mission"
Men's Health magazine's verdict in their rundown of the best protein bars
Treat level taste
Not another chalky choc-coated brick. Fruit, Italian almonds, citrus and spice make Eroica soft, dense and satisfying.
100g of proper food in your kit bag.
Transparency
The bar aisle is full of protein sweets. Eroica is built like food.
No flavouring. No sweetener matrix. No UPF. Just a heroic bar made from real food.
What's really inside?
Handmade in Italy, Eroica is inspired by an ancient recipe that fueled Roman Legions,reimagined as a 100g protein bar with the size, calories and protein active bodies actually need.
Italian almonds
Italian candied peels
Coconut sugar
Egg white
Rice protein
Caramel
Cinnamon
Nutmeg
Macis
Natural wafer paper
Real people. Real bars.
For people who train, travel, recover and occasionally forget lunch exists.
Eroica is not a small protein block pretending to be food. It is a 100g XXL bar made for real appetites, real training and real life.
Real customer reviews
From people who read the label
Nicole Whittingham
Verified buyer
★★★★★
“Best protein bars around. Majority of the others… kill my stomach but these are brilliant - eat one every day.”
Blas Taracena
Verified buyer
★★★★★
“I eat them when I’m ski touring or cycling… I never had any stomach problem or feel myself weak.”
Keith Cook
Verified buyer
★★★★★
“After a few weeks using these as my go to recovery after training I am feeling the benefits.”
James Holloway
Verified buyer
★★★★★
“Really great taste, and great for recovery after tough sessions.”
John T
Verified buyer
★★★★★
“Most protein bars leave me feeling hungry, this is the opposite… it keeps hunger away for ages so I don’t end up making bad food choices on the go.”
Kathryn Peak
Verified buyer
★★★★★
“Eroica protein bars fill me up, and give me the protein I need for my exercise levels and as a perimenopausal woman.”
Norman Lynch
Verified buyer
★★★★★
“As the sugar is from fruit and doesn’t cause me to experience sugar spikes I will continue to purchase them.”
Matthew Penfold
Verified buyer
★★★★★
“You can tell they are full of goodness rather than rubbish - filling with no side effects.”
Kathryn
Trustpilot
★★★★★
“These make a great meal substitute on the go or after a workout. They’re nutritionally balanced, taste yummy, and made of real ingredients.”
Verified customer reviews from Judge.me, Trustpilot and Google.
Handmade in Tuscany
Born from history. Made for today.
Eroica is inspired by panforte, the dense, Italian fruit & nut delight first used by Roman Legions. We took that timeless power source and remade it as the ultimate natural protein bar.
Real food 10. UPF 0.
No synthetic trickery, just 10 natural ingredients in a mighty bar for people who want satisfaction and taste with their protein bar.
Trusted by the world's best. Made for you
33Fuel has fuelled elite performance since 2012
Tour de France winners
Proven at the top
Ironman World Champions
Endurance tested
Olympians
Elite standard
Premiership Football Clubs
Team performance
World-class trail runners
Built for the long haul
HYROX athletes
Strength-endurance elite
Free protein calculator
How much protein do you actually need?
Get your quick personalised protein target based on your body, training and goals. Built from over 50 peer-reviewed studies and over a decade's expertise fuelling elite performance teams.
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Personalised
No guesswork or gym-bro maths. Just a useful personalised protein target.
Try the calculator
Eroica Natural Protein Bar FAQs
✅ Your UPF-Free Protein Bar
✅ 20g protein and 409 calories per bar
✅ Supports lean muscle and optimal recovery
✅ Made from real food – zero ultra-processing
✅ Naturally high in fibre and satisfying
✅ Handmade in Italy using premium ingredients
✅ Twice the size of ordinary protein barsIt’s everything your body needs after training – and nothing it doesn’t.
• After workouts for maximum recovery
• As a high-protein snack to tide you over
• As part of a meal, or even dessert (pro tip: warm and top with custard - honestly, give it a go!)
Eroica is as at home in your gym bag as it is on your dinner plate.
Each bar contains:
✅ Italian almonds
✅ Candied citrus peels (orange, melon)
✅ Egg white protein
✅ Rice protein
✅ Coconut sugar
✅ Caramel, cinnamon, nutmeg, macis
✅ Natural edible wafer paper (potato starch)
Every ingredient has a purpose – and a flavour. No fillers, no junk, and no UPF. Just powerful, natural real food for your performance and health
Yes – it’s vegetarian-friendly and gluten-free. However, it’s not vegan due to the inclusion of egg white protein.
Not even close. Most bars are ultra-processed (UPF) franken-snacks packed with sweeteners and artificial fillers.
Eroica is completely UPF free and:
✅ Made with real food only
✅ Free from flavourings, emulsifiers or additives
✅ Handmade, not mass manufactured
It’s mighty food that fuels mightily – not a UPF 'food-like' product that fakes it and plays havoc with your digestion and health while doing so
✅ 20g protein to support muscle repair
✅ 409 calories for post-session energy replenishment
✅ Natural ingredients for better digestion and absorption
When you recover better, you train stronger. Simple.
Yes – every bar comes in fully recyclable packaging. No fancy foil. No unnecessary plastic.
Just smart, planet-friendly design that fits our Plant-Based & Planet-Based® Fuelosophy®.
✅ Real food only. Completely UPF-Free
✅ Twice the size of typical protein bars
✅ Handcrafted using a traditional Italian recipe
✅ Real flavour from real food
Most bars need artificial flavourings. Eroica just needs almonds and sunshine.
Yes – Eroica is high in protein and fibre, helping you feel fuller for longer and reducing the need for constant snacking. It’s a satisfying, guilt-free indulgence.
Tons. Just scroll to the bottom of the product page to see five-star reviews from customers who love Eroica’s taste, size and performance support.
That’s up to you and your training. One bar is a great recovery hit post-session. If using as a meal or snack, one bar can replace a small meal or curb hunger between meals. It also comes in 2 pieces for easier portion control
With 409 calories, healthy fats and complete protein, Eroica can absolutely double as a meal on the go.
It’s a real food option that keeps you going when life’s too busy to cook. Take a look at our Elite Meal Replacement Shakes for a complete replacement
Customers also bought
- High in Vitamin E and Riboflavin which contribute to the protection of cells from oxidative stress
- Source of Magnesium which contributes to the reduction of tiredness and fatigue
- Source of Phosphorus which contributes to normal energy-yielding metabolism
- High in Copper & Manganese which contribute to normal energy-yielding metabolism