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Flaming Phoenix

Phoenix Bars | High-Calorie Bars

£4.99 GBP

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Limited Stock Alert – Don’t Miss Out!

Due to overwhelming demand, only a very limited number of Phoenix Bars remain from our second batch. Order your Phoenix Bars now to avoid missing out!

Our High-Calorie Bars

Name: Phoenix Bars | High-Calorie Bars
Brand: Flaming Phoenix
Price: 4.99 GBP
Availability: InStock

Phoenix Bars are high-calorie, highly compact, and lightweight flapjacks meticulously crafted to fuel your toughest mountaineering expeditions and ultra-endurance races. Whether you're ski touring, undertaking a high-altitude expedition, or pounding out miles as an ultra runner, these bars deliver substantial, sustained energy in a form that’s ready to go, wherever you go.

552 Calories per Bar:

A calorie-dense energy bar, each Phoenix Bar delivers a powerful 552 calories. Perfect for long, cold days in the mountains, fastpacking, or during unsupported polar expeditions — giving you compact, portable fuel that lasts from checkpoint to summit.

Highly Compact, Lightweight & Portable:

Minimal bulk, maximum energy. Designed to help you save weight and space whilst trekking, mountaineering and during ultra-endurance events - where every gram counts.

66g of Carbohydrates:

Phoenix Bars are high in carbohydrates - delivering a strategic mix of fast- and slow-release carbs to power multi-day adventures, trail ultras, and high-altitude expeditions — keeping your energy steady through big days and long nights.

Can Be Made into Porridge or Smoothie:

Add water or milk (hot or cold) to turn your bar into a warm porridge or quick recovery smoothie. A flexible, adaptable food source for ultra-endurance fuelling.

Easily Digestible:

100% vegan, gluten-free, and GMO-free. Built for easy digestion in high-output scenarios and at altitude, with gut-friendly ingredients that minimise risk of digestive issues — essential for ultra runners and expedition enthusiasts alike.

Easy-To-Eat & Open:

Soft texture that melts in your mouth — easy to eat even with gloves or in sub-zero conditions. Ideal for fuelling on the move.

Tasty Without Being Sickly Sweet:

Light vanilla flavour means no palate fatigue, no sugar crash. Ideal for ultras, offshore sailing, multi-day adventures, or continuous efforts when over-sweetened snacks become unappealing.

Natural Ingredients:

Made from real, whole ingredients like gluten-free oats, coconut oil, pea and soy protein, and plant-based nutrients.

Climate-Resilient:

Won’t freeze in sub-zero temperatures or melt in extreme heat. Built for polar regions, ski touring, ski mountaineering, desert crossings, and jungle heat — a climate-proof energy bar for every type of extreme environment.

18g of Protein:

Supports muscle maintenance and recovery during and after high-output efforts. Essential for ultra-endurance races, military personnel and multi-day expeditions.

Chopped into Chunks:

Each bar can be chopped into bite-sized pieces for convenient snacking. Perfect for trail ultras, climbing and fastpacking.

Nutritionally Dense:

Packed with 8 essential vitamins and minerals — including iron, manganese, phosphorus, and B vitamins — plus MCTs from coconut oil for steady, sustained energy.

Altitude Optimised:

Formulated with nutrients that support performance at high-altitude climbing and mountaineering, including iron, vitamin E, B1, and B7 — helping oxygen delivery and energy regulation in thin air.

Sustainable:

Vegan, palm oil-free, and ethically produced with biodegradable packaging and eco-conscious shipping options — perfect for the sustainably-minded adventurer or eco-conscious ultra runners.

Gluten-Free & Vegan:

Ideal for coeliacs, plant-based athletes, and mixed dietary groups — no compromises on performance or inclusivity.

Robust:

Built tough for real-world use. Comes in water-resistant packaging that won’t crush or tear. Made for ultras, mountains, the arctic and everything in between.

Ready to Eat:

No prep, no waiting. Just open and fuel. Perfect for race-day nutrition, emergency scenarios, or when you simply need calories fast.

Long Shelf Life:

Up to 1-year best-before date — great for expedition planning, ultra race drops, or emergency kits.

Made in the UK:

Crafted by a BRCGS-certified manufacturer to meet the highest standards in quality, food safety, and performance nutrition — trusted by ultra athletes, mountaineers, and expedition enthusiasts worldwide.

***OCEAN ROWERS***: Phoenix Bars can make up to 50% of your wet ration allocation for your rowing journey (Worlds Toughest Row).

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Nutritional Information

Typical Values

Per 100g / Per Bar (120g)

Energy: 459kcal/552kcal

Fat: 19g/ 23g

of which saturates: 9.5g/ 11g

Carbohydrate: 55g / 66g

of which sugars: 24g / 29g

Fibre: 3.8g / 4.6g

Protein: 15g / 18g

Salt: 0.34g / 0.41g

Vitamins & Minerals (%RI*)

(per 100g / per 120g)

Vitamin E: 2.0mg (17%) / 2.4mg (20%)

Vitamin B1 (Thiamine): 0.33mg (30%) / 0.4mg (36%)

Vitamin B7 (Biotin): 7.9ug (16%) / 9.5ug (19%)

Phosphorus: 251mg (36%) / 301mg (43%)

Iron: 4.0mg (29%) /4.8mg (34%)

Zinc: 1.9mg (19%) / 2.28mg (23%)

Copper: 0.34mg (34%) / 0.41mg (41%)

Manganese: 1.6mg (80%) / 1.9mg (96%)

Our Natural Ingredients: Gluten Free Oats (32%), Glucose Syrup (Sulphites), Sugar, Coconut Oil, Soya Protein Isolate (7%), Pea Protein Crisp (6%) [Pea Protein, Rice Flour], Rapeseed Oil, Gluten Free Oat Flour, Emulsifier: Glycerol; Caramelised Sugar Syrup, Natural Vanilla Flavouring (1.3%), Antioxidant: Tocopherol-Rich Extract.

Allergy Advice: for allergens, see ingredients in bold. May contain nuts, eggs, sesame, peanuts and milk.

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How To Use Phoenix Bars

Subscription works for me

I recently contacted James at Phoenix for a monthly subscription. He sorted it. Three bars a month means I always have a Phoenix Bar available for long runs or long days

Does what it says on the tin

I purchased Phoenix Bars at the Armchair Adventure Festival because they contain a lot of calories in a highly compact portion - which I see as useful for emergency rations. I enjoyed the bar and would consider it for future expeditions.

The concept behind them is great (IG: @lilykempnutrition)

I recently tried these high-calorie bars . As a performance nutritionist, I believe it’s essential to provide honest, unbiased feedback, so here are my thoughts:

🍽️Nutritional Profile

For its small size, this bar packs a powerful punch in calories. It contains nearly 600 calories with 66g of carbohydrates and 18g of protein. It’s also fortified with vitamins. This isn’t a bar for short distances, where you can rely on carbohydrates alone, pack light or have access to food stops along the way, instead it’s suited to longer, multi-day events where you need to carry more food (self supported/minimal to no food support for extended periods of time.)

💭Practicality & Texture

- The flavour is neutral and subtly sweet, making it tolerable for long periods, less likely to get flavour fatigue.
- The texture holds somewhat well but is crumbly and dry, so it would need to be consumed alongside fluids to make it easier to digest.
- It can though be mixed with hot water to create a porridge-like consistency, of more fluids for a smoothie instead - so versatile. I’d say as a porridge it’s the consistency of a biscuit spread.
- The bar doesn’t melt in the sun or go rock hard in the cold. Long and multi-day expeditions often involve dramatic temperature changes so this is actually really important. This is something I’ve struggled with using a couple other products that change texture a lot in the weather.
- It has waterproof packaging.

🥾Ideal Use Case

This product is suited for multi-day ultras, long hikes, and mountaineering, particularly when you need to be self-supported and every gram of weight matters. These events demand more than just carbs, needing protein & fats too.

I have a lot of respect for the brand’s thoughtful design—they’ve considered a lot of detail down to waterproof packaging. While for me personally it could be less crumbly, I’m excited to try the new recipe, which is said to be moister. A massive thanks to Flaming Phoenix for sending me the bars; the concept behind them is great! Follow @lilykempnutrition

Ultra runner

Like the phoenix bars .nice size plenty of calories. Like the taste.Did find them a bit dry but would use them again.

New Phoenix Bars

First impression on opening the new version of Phoenix Bars are that they are less crumbly but still easy to break off a chunk. There was more texture, slightly sweeter and more moist. Much easier to eat and not sticking in the mouth, whereas with the older bar I needed a swig of water to help it down.

So overall, a big improvement from the original, not that there was any wrong with that one!

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