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WHY ENDUROLYTES EXTREME
Endurolytes Extreme contains 6 different chelated electrolytes, whilst most other competitive products only contain 4. It's a high-strength electrolyte capsule built for hot and extreme conditions, heavy sweating and higher electrolyte demands. It delivers 3 x more sodium and potassium than original Endurolytes while maintaining a balanced 4:1 sodium-to-potassium ratio.
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HOW TO TAKE
Take 1–2 capsules per hour, adjusting to conditions, intensity and sweat rate.
Swallow capsules whole. Do not open them. The ginger root may cause a slight burning sensation if the powder comes into contact with the mouth or throat.
Dietary considerations
- Diabetic friendly
- Gluten free
- Vegan friendly
- Kosher certified
FAQS
What is the difference between HEED and Endurolytes or Endurolytes Fizz?
Each scoop of HEED provides 110 calories and roughly the same amount of electrolytes as one Endurolytes capsule or half a tablet of Endurolytes Fizz. Endurolytes and Endurolytes Fizz do not provide calories.
For many athletes, one to two scoops of HEED per hour will cover calorie needs and part of their electrolyte needs. Heavier athletes, or those training and racing in hot conditions, may need additional electrolyte support from Endurolytes capsules or Endurolytes Fizz tablets.
HEED: calories + electrolytes
Endurolytes / Endurolytes Fizz: electrolytes only
What is the best way to carry Endurolytes capsules while exercising?
There are three practical options:
- Plastic flip-top capsule dispenser – holds around 20 capsules and fits easily into a jersey pocket
- Quick Coin dispenser – a soft plastic coin purse that works well as a pill dispenser
- Reclosable baggies – a simple and effective option
All of these help keep the capsules dry and make dosing easy.
Important: Do not carry Endurolytes or Endurolytes Extreme capsules loose in your pocket or anywhere they may come into contact with sweat or moisture. Once wet, the vegetable capsule can melt quickly, making dosing difficult. This is especially important because both products contain ginger root, which is soothing to the stomach but may irritate the skin if the powder comes into contact with it.
What is the difference between Endurolytes, Endurolytes Extreme, and Endurolytes Extreme Powder?
Endurolytes is the original full-spectrum electrolyte supplement, with a balanced blend of sodium chloride, calcium, magnesium, potassium, and manganese. It is well suited to athletes following a low- to moderate-sodium diet.
Endurolytes Extreme contains three times more sodium chloride and potassium per capsule than the original Endurolytes. It may be the better choice:
- during unusually hot or humid events
- when you are not acclimatised to the conditions
- if you follow a high-sodium diet
- if you are prone to cramping
- during early-season training, when fitness is still developing
In these situations, Endurolytes Extreme helps meet higher electrolyte demands more efficiently, with fewer capsules.
Why do I need electrolytes?
Electrolytes are essential for keeping the body functioning properly during exercise. They support muscle contraction, heart rhythm, and nerve signalling. Long before cramping begins, performance may already be affected by electrolyte depletion.
The goal of electrolyte replenishment is to support steady, uninterrupted performance and help the body continue functioning efficiently throughout exercise.
Why use Endurolytes products instead of salt tablets?
Many athletes focus only on sodium, but proper electrolyte replenishment requires more than salt alone. The body also needs calcium, magnesium, potassium, and manganese.
A full-spectrum electrolyte product helps support normal body functions and performance more effectively than salt tablets alone. Endurolytes products are designed to provide a balanced supply of electrolytic minerals, helping to support endurance performance and reduce the risk of imbalance or depletion.
How does Endurolytes Fizz compare with Endurolytes capsules?
One Endurolytes Fizz tablet is roughly equal to two Endurolytes capsules, so half a tablet is approximately equal to one capsule.
The formulas are not identical, but they are very similar in electrolyte mineral content and can generally be dosed in a similar way. Endurolytes Fizz uses different mineral forms to create its effervescent properties and to dissolve quickly in water. It also contains slightly more sodium and potassium than the equivalent amount of Endurolytes in capsules.
Can I take Anti-Fatigue Caps with Endurolytes?
Yes. All Endurolytes products are fully compatible with Anti-Fatigue Caps and with other Hammer Nutrition supplements.
Do I need to take an Endurolytes product with Perpetuem?
Yes. Perpetuem should be treated as a calories-only fuel. Although it contains some minerals, it does not include a deliberately formulated full-spectrum electrolyte blend like HEED. Electrolyte needs should therefore be covered separately with one of the Endurolytes products.
Do any Endurolytes products contain caffeine?
Only the Cola flavour of Endurolytes Fizz contains caffeine, with 20 mg per tablet.
No other Endurolytes Fizz flavours contain caffeine, and none of the other Endurolytes products contain caffeine.
Which Endurolytes products contain the least citric acid?
Only Endurolytes Fizz and Endurolytes Extreme capsules contain citric acid.
In Endurolytes Fizz, citric acid is used in a minimal amount to support the effervescent reaction. In Endurolytes Extreme, it is present as potassium citrate, which is used because it provides a high amount of elemental potassium and is very well absorbed.
Do any Endurolytes products have allergen exposure?
No. All Endurolytes products are produced in a facility free from tree nuts and allergens and are third-party batch tested for purity and consistency.
Are all Endurolytes products gluten-free?
Yes. All Endurolytes products are gluten-free.
Why do some Hammer fuels contain what seems to be a high amount of manganese?
The manganese levels in these products are intended for active people and athletes, who use and lose nutrients at a much higher rate than sedentary people. Manganese plays an important role in energy production, muscle cell enzyme reactions, insulin support, and antioxidant protection.
Because only a small percentage of orally consumed manganese is absorbed, and because exercise increases nutrient use and loss, the amounts included in Hammer products are considered justified and beneficial for athletes.
Products containing manganese
- Endurolytes – 0.25 mg per capsule
- Endurolytes Fizz – 3.0 mg per tablet
- Endurolytes Extreme – 1.0 mg per capsule
- Endurolytes Extreme Powder – 0.5 mg per scoop
- HEED – 2.0 mg per scoop
- Recoverite – 2.9 mg per 2-scoop serving
- Organic Vegan Recoverite – 0.6 mg per 2-scoop serving
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Premium Insurance Caps – 1.07 mg per capsule
How to Measure One Scoop of Endurolytes Extreme Powder
No scoop? No problem. Here is the conversion you need:
Endurolytes Extreme Powder
1 level scoop (3 cc) = 1 teaspoonIs the flavour of Endurolytes Extreme Powder mild?
Question:
Is the flavour of Endurolytes Extreme Powder mild enough that, when mixed with Hammer Nutrition fuels such as Perpetuem, it does not overpower or noticeably change the taste?Answer:
Yes. The natural watermelon flavour is very subtle and mild, so it should not change the taste of Perpetuem or other Hammer Nutrition fuels very much, if at all.Is Endurolytes Extreme Powder carbonated like Endurolytes Fizz?
No. Unlike Endurolytes Fizz, which is an effervescent tablet, Endurolytes Extreme Powder is not carbonated when mixed with water.
The mineral forms used in Endurolytes Extreme Powder were chosen because they are well absorbed and dissolve very well in solution.
Does Endurolytes Extreme Powder mix fully in solution?
Yes. The powder is micronised, which means it is ground into extremely small particles. This helps it mix completely in solution without leaving residue at the bottom of your water bottle.
HOW TO USE ENDUROLYTES EXTREME
Use prior to, during, and after workouts to satisfy the body's electrolyte requirements with maximum precision.
Use as needed but primarily when:
- Exercise lasts for more than two hours, regardless of temperature or humidity.
- Exercise lasts less than two hours and:
- Temperature is above 80 degrees and/or 70% humidity or
- Temperature and humidity is ten degrees or more above what you are accustomed to.
Capsule Usage Instructions:
Take 1 capsules 10–30 minutes before the start of exercise.
Take 1–2 capsules per hour as needed to maintain electrolyte balance.
Take 1 capsules immediately following exercise.
Powder Usage Instructions:
Mix 1 scoop in approx 475-828 ml of water and consume hourly during exercise. Extreme conditions may warrant higher dosage.
IMPORTANT NOTES:
- Many variables - body weight, fitness level, weather conditions, acclimatization level, and physiological predisposition - affect individual electrolyte requirements, so you must do your own trials with Endurolytes Extreme dosing, under a variety of conditions, to determine what your individual needs are.
- Endurolytes Extreme DO NOT prevent heat stroke, hyponatremia, or any other dangerous physical condition resulting from overexertion in the heat.
INGREDIENT BREAKDOWN
Full-Spectrum Electrolyte Profile – This complete profile contains the following minerals:
Sodium – Sourced from salt, which is comprised of 40% sodium.
Chloride – Sourced from salt, which is comprised of 60% chloride.
Calcium – Supplied in the “as chelate” form, meaning it’s calcium bonded to one or more amino acids, usually glycinate (glycine) or asparate (aspartic acid).
Magnesium – Included in the “as chelate” form, it is magnesium bonded to one or more amino acids. These forms are used for maximal absorbability.
Potassium – Included in the citrate form, it is bonded to citric acid for maximal availability.
Manganese – This trace mineral is necessary for optimal muscle cell enzyme reactions and for the conversion of fatty acids and protein into energy.
NUTRITIONAL INFORMATION
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Let customers speak for us
In my basket for more
Helped on a climb in 34c heat…. Yum flavour too
I've been using these for years and feel they give me a good foundation for my health.
Easy to take and and did the job. Meant I could drink plain water without missing out on electrolytes
My go to product to supplement my electrolyte needs.
Easy to use and nice taste.
On Saturday 14th September I stood on the start line at Bewts Y Coed. This was my 3rd 100 miler this year.
I have used Hammer since around 2010 in my Ironman days. As of today I have completed 428 marathons ‘all official races’ around the globe.. also quite a few ultras in my time.
I have used Recoverite on multi day ultras for the last 10 years. Great mix and flavour. I have converted many to this product.
Seems to be really helping recovery from my knee strain. I had a similar issue a couple of years ago which took weeks to sort. Fair do’s it doing what it says it will.
Tasty and light on the stomach.
I will definitely order many more of these
Great electrolytes and gentle on the stomach.
I have a sensitive stomach but these products are the best I have tried.
Another superb product from the Hammer Team. Dissolves so quickly with just a stir with a spoon or a quick shake in a bottle. Can feel the difference in sleep pattern for sure and energy levels have been more consistent with the mid afternoon lag not being as noticeable.
Frequently Asked Questions
How long will my delivery take and how much does it cost?
Orders placed before 2:00 PM (UK time) are dispatched the same working day. Standard delivery to mainland Great Britain takes 2–5 days at a flat rate of £3.50, or free on orders over £10.
Large tubs are automatically upgraded to DPD next-day delivery. Shipping to Northern Ireland, the Channel Islands, and the Scottish Highlands costs £4.50, or free on orders over £80.
Can I change or cancel my order after placing it?
Because we process and dispatch orders quickly, we are usually unable to modify products, delivery methods, or addresses after submission.
To cancel an order, you must contact us on the same calendar day it was placed. If dispatch has already occurred, you can return the unused items within 14 days at your own shipping expense.
What is your returns policy if I change my mind?
You have 14 days from the day after delivery to cancel your order. Items must be unused, in their original packaging, and in resaleable condition. Important Step:
You must email info@hammernutrition.co.uk first to obtain a Returns Authorisation Number and a free Royal Mail returns sticker; unauthorised returns cannot be processed.
Note that opened, sealed supplements cannot be returned for hygiene reasons.
What should I do if my order is damaged, faulty, or incorrect?
Check your parcel immediately upon arrival. If there is an issue, notify us within 48 hours of delivery at info@hammernutrition.co.uk.
Please include your order number, a description of the issue, and photos of the damaged items and packaging. We will provide a free replacement or full refund.
How long do refunds take to process?
Once your return is received, inspected, and approved, we process refunds back to your original payment method (card, PayPal, or bank transfer).
This typically takes place within 7 working days, and always within a maximum window of 30 days.
Are Hammer Nutrition products safe for drug-tested athletes?
Yes. Key products within our range—including Endurolytes (4ct/120ct), Endurolytes Extreme (3ct/120ct), Endurolytes Extreme Powder, and Endurolytes Fizz - are officially Informed Sport certified.
Additionally, our products are manufactured in strict ISO, GMP-compliant, and SQF Level 3 Certified facilities to ensure the highest standards of food safety and purity.
What do you use to flavour your sports nutrition products?
We use only premium ingredients with zero artificial flavours, artificial sweeteners, or chemical colorants.
Our natural flavours are extracted from real food sources (such as fruits, essential oils, and botanicals) in full compliance with FDA regulations.
They are entirely derived from non-allergenic materials and are formulated for a clean, subtle, non-sweet taste.
What should I do if my order has not arrived?
Estimated transit times are 2–5 days. If your parcel has not arrived within 5 days of placing your order, notify us immediately at info@hammernutrition.co.uk.
We will launch an investigation with the carrier and provide updates or arrange a replacement where appropriate.
Do you accept backorders for out-of-stock items?
No, we do not accept backorders. If an item is currently unavailable, you can enter your email address in the "email me when back in stock" widget directly on the product page to receive an automated real-time notification the moment inventory is replenished.
Are your supplements suitable for specific dietary restrictions?
Our clean sports nutrition range is formulated to support optimal body function and is completely free from gluten, artificial preservatives, and artificial colorants.
If you have specific medical conditions or severe allergen concerns, we recommend checking the explicit ingredient panels or consulting a healthcare professional prior to consumption.
