Ocado Brazil Nuts. These Brazil nuts are the perfect cupboard snack for yourself or unexpected visitors. Serve on their own in small bowls or, mix together with dark chocolate and dried fruits for a sweet and salty trail mix. High in selenium - Selenium supports the immune system to work normally. - Selenium plays a role in maintaining normal hair and nails. Search 'Ocado dried fruit' to pick and mix your favourite fruits when creating your own trail mix.