Lemons are amazingly versatile and, thanks to the calcium content, benefits overworked bones after a day of strenuous activity. The high levels of vitamin C also help the immune system so you can keep on hiking.

Additional uses for lemon juice:

• Squeeze over a freshly grilled fish
• Flavor a cup of tea
• Soothing sunburns by applying diluted lemon juice to sunburned skin
• Stop a nosebleed by dabbing diluted lemon juice on nostrils
• Use as an emergency disinfectant