However, there is some confusion because sometimes Americans say "British" to mean "English" (from England) when in reality the island of Great Britain contains three countries.
The vitamin C found in lemon juice has been shown to enhance mineral absorption, but you don?t need warm lemon juice to get this effect. Vitamin C is one of the most ubiquitous vitamins in fruits and vegetables. We often think of citrus fruits as being the major or even only source of C, but non yellow and orange fruits and vegetables such as bell peppers, kale, strawberries, broccoli, and spinach all contain robust amounts of vitamin C. As long as you are having a fruit or vegetable with your morning meal, then you can expect to reap the enhanced absorption of minerals at that meal.