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Fully Charged is a low-caffeine pre-workout for endurance athletes who want energy and mental focus without relying on a massive stimulant dose.
Each serving contains approximately 10–15 mg of naturally occurring caffeine from green tea extract. It is designed for running, cycling, triathlon and ultra-distance events, whether you need support before training or later during a long event.
- Caffeine: Approximately 10–15 mg per serving
- Best for: Running, cycling, triathlon and endurance training
- Take: 15–30 minutes before exercise
- Long events: Can also be used later during sessions lasting over three hours
- Serving: One level scoop mixed with water
- Dietary: Vegan, gluten-free and no added sugars
- Flavour: Tart Cherry
- Servings: 30
Why Choose a Low-Caffeine Pre-Workout?
Many conventional pre-workouts are built around large caffeine doses. That may suit some gym sessions, but it is not always practical before a long run, ride or race—particularly if you are sensitive to caffeine or already use caffeinated gels later.
Fully Charged takes a lower-stimulant approach. Its approximately 10–15 mg caffeine per serving is combined with an endurance-focused formula containing:
- Taurine and tyrosine
- Beta-alanine
- L-carnitine fumarate
- Beetroot juice powder
- Green tea extract
- elevATP™
- Tart cherry extract
- Spectra™ fruit, vegetable and herbal blend
Fully Charged does not replace your carbohydrate fuel, electrolytes or hydration. It is designed to complement your existing endurance nutrition plan.
How to Use Fully Charged
Mix one level scoop in 120–240 ml of water and take it 15–30 minutes before training or racing.
If the scoop is missing:
One level 9 cc scoop = approximately 1¼ teaspoons.
For longer events, Fully Charged may also be used later in the session when additional focus is needed. Test your timing and tolerance during training before using it in a race.
You can also mix Fully Charged with HEED Sports Drink when you want carbohydrates and electrolytes alongside the pre-workout formula.
Fully Charged Powder vs Capsules
|
Feature |
Fully Charged Powder |
Fully Charged Capsules |
|
Serving |
One level scoop |
Two capsules |
|
Caffeine |
Approximately 10–15 mg |
Approximately 10–15 mg |
|
Servings |
30 |
30 |
|
Flavour |
Tart Cherry |
No flavour |
|
Best for |
Mixing with water or HEED |
Travel, convenience and precise dosing |
|
Take |
15–30 minutes before exercise |
15–30 minutes before exercise |
Prefer not to mix a drink? Try Fully Charged Capsules.
Frequently Asked Questions
How much caffeine does Fully Charged contain?
Each serving contains approximately 10–15 mg of caffeine, naturally occurring from green tea extract. It is a low-caffeine pre-workout, not a caffeine-free product.
When should I take Fully Charged?
Take one serving approximately 15–30 minutes before training or competition. Always test the product during training before using it on race day.
Why do I feel tingling after taking Fully Charged?
Fully Charged contains beta-alanine, which can cause a temporary tingling or flushed sensation known as paraesthesia. This is a recognised response to beta-alanine and normally passes quickly.
Can I use Fully Charged during long-distance events?
Yes. Fully Charged can be used before an event and, if required, later during sessions lasting over three hours. Account for any other caffeine sources you are using, including coffee, gels and energy drinks.
Can I combine Fully Charged with HEED?
Yes. Fully Charged can be mixed with HEED. HEED supplies carbohydrates, fluid and electrolytes, while Fully Charged provides the low-caffeine pre-exercise formula. Follow the normal mixing directions and test the combination during training.
Is Fully Charged suitable for running and cycling?
Yes. Fully Charged is designed for endurance activities including running, cycling, triathlon and ultra-distance events. It can also be used before interval sessions, hill training and other demanding workouts.
Is Fully Charged suitable for caffeine-sensitive athletes?
Its caffeine content is much lower than many conventional pre-workouts, but individual sensitivity differs. Start with a smaller serving if necessary and avoid taking it close to bedtime.\
Not sure how much caffeine to use? Read our Caffeine Before Endurance Training Guide for evidence-based information on dosage, timing and sensitivity.
NUTRITIONAL INFORMATION
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Let customers speak for us
By far the best tasting recovery drink I’ve used in over 25 years. Lovely taste and consistency. It’s my go to protein drink now!
Hammer Nutrition Perpetuem was a key part of my fuelling strategy for the Leeds Ironman last weekend.
It gave me steady, reliable energy throughout the race and, most importantly, sat really well in my stomach.
No heavy feeling, I was able to keep fuelling consistently right throughout my cycling. A great product for long-distance — so glad this was recommended to me during my early training in preparation.
Extremely useful to use whilst cycling, removes the faff of opening gels whilst cycling and the solid bottle makes it easy to get in / out of jersey pockets.
Brilliant product - i use these in all my endurance events - some lasting up to 20 hours. These are great to ensure you get the required electrolytes without over hydrating.
Great product! Very good quality supplement
Great service and the products are amazing, especially for endurance sports. I'm a big fan of the Endrolytes Electrolyte Caps. Their magnesium supplement and vitamin D are also very very good! I would highly recommend.
I’ve used Hammer products for around 6 years now & my favourite by a mile is the hammer Perpetuem, it’s fueled my last 100 mile ultra marathon not to mention multiple long distance triathlon's . It has 180calories per serving and it’s 34g of carbs & 5g of protein seems to work well . I’d strongly recommend for anyone who wants to take on ultra races as this fuel will support you when you need it most .
I started using Hammer Heed and Perpetuem 5 years ago and it's been such a game changer for my. Finding nutrition you can trust is so important for any athlete and I highly recommend Hammer Nutrition for any distance and any sport.
I couldnt race without hammer products. Heed is my favourite, such an amazing product. Paired with the gels it makes a great fueling recipe. Always fast shipping
Wonderful product for general Well being and Recovery. Great quick shipping.
Love all your products. I personally will concentrate on the perpetuum for my long swim(45km) as it feels like a meal every 4mins.
Thank you
great taste! great weight to calorie ratio! thanks
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 us via the bottom of our Home Page 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 via teh contact us at the bottom of our Home page.
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 via our contact us at the bottom of our Home page.
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.
