A revolutionary nut butter, designed to boost the energy levels of ultra-endurance athletes and the military, is now available to the wider public.

Energise is one of a trio of Long Range Fuel products from Resilient Nutrition, a company founded by human performance expert, Ali Macdonald, and scientist, Greg Potter, PhD.

Long Range Fuel was originally designed to help two men row the Atlantic in the Talisker Whisky Challenge.

Its combination of natural ingredients supports health and boosts exercise performance, even in the most testing conditions – and the rowers went on to break the World Record.

Created using different combinations of tree nuts, which are proven to benefit heart health and blood sugar control, Energise Long Range Fuel also contains added caffeine and L-theanine.

The caffeine enhances endurance, strength, power and intermittent sprint exercise performance, while L-theanine, an amino acid found in tea, complements the caffeine by reducing anxiety and promoting focus.

This science-led approach to nutrition has not only boosted performance levels among professional athletes across a wide variety of sports, it has also led Long Range Fuel to be the first and only nut butter approved by Informed Sport, a stamp of approval that gives athletes full confidence that the products contain what they claim.


“Its advantages to anyone who needs to sustain high levels of energy over for a long time are well recognised,” said Ali, “and it is the combination of the ingredients that makes the products unique.

“It’s high in energy and nutrient dense but is also low in sugar, and the recommended dose of Energise Long Range Fuel – which depends on factors such as height, weight, and activity – contains an amount of caffeine that has been consistently shown to enhance performance in practically all types of exercise,” he said.

“In addition, the combination of caffeine and L-theanine has also been shown to enhance multiple aspects of cognitive function, including vigilance, attention, reaction time and mood.”

These effects on the brain make these products beneficial to non-athletes who want to perform better at work and need a healthy alternative to processed foods and snacks.

“And they’re easily stored without the need for refrigeration,” said Ali, “so they’re an ideal choice for everything from camping to lunchboxes.”

Energise Long Range Fuel comes in two flavours, dark chocolate and hazelnut, and coffee and pecan, and is available in both store-at home jars and on-the-go recyclable pouches.

All Long Range Fuel products are gluten- and palm oil-free, keto friendly, and are available in vegan versions.

They are priced from £4.99 and are available at

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