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Nuts, like cashews and almonds, can aid weight loss and are great desk snacks. However, the high salt content can dehydrate you and heighten blood pressure. The levels of sodium in salted nuts pulls energy from you, making it a laborous workout

Huh? Kale? The king of last year’s superfoods? Indulging in the green goodie before a workout can slow you down because of its hard-to-digest fibre. You don’t want a whole hunk of the stuff resting in your stomach bloating you while you toil away

Hold the Starbucks! Caffeine may seem like a good idea for you to power through that hour on the weights after work, but the extra sugar and calories leave you with a wavering sugar rush. The crash isn’t worth it

The protein in eggs is great after a session, but they’re slow to digest and lack carbohydrates for energy, so they can make you lethargic when you’re in the zone

Although absolutely delicious, avocados are high in fat and shouldn’t be eaten a few hours before working out. They are harder to digest, which can cause cramping

Crunchy or smooth? The ultimate question, but it doesn’t make a difference when you’re munching before the gym. Peanut butter is a slow burning food and makes absorbing the nutrients you need when exercising much slower

Hot and spicy food can help you burn calories, but they won’t help during a workout. They can actually irritate your insides and cause heartburn

Aah, sweet, quenching orange juice. Or is it? Downing a carton before you hit the gym can leave you lagging behind the others in boxercise due to the lack of fibre. You’re left with the sugary entrails that won’t sustain you to the end of that class

Feeling guilty about that burger, chips and coke combo you had for lunch? Scuttling to the gym to work through the fast food shame may not be the answer. Takeaways can take hours to pass through, meaning blood is drawn to your stomach to aid digestion, away from the muscles pulling on the crunch machine. Ow

Many of the energy drinks on the market are loaded with sugars and chemicals that wreck your sleeping pattern and wreak havoc upon your blood sugars- the last thing you need when working out. It’s best to grab an apple for a consistent energy fix