Have you ever tried chewing raw ginger? Fantastic if you have a cold or the flu. Try chewing a centimetre piece, but try not to move or use your tongue (your tastebuds will be sorry). Then just swallow the juice. Burns all the way down, but my cough disappeared magically!
This may help: l' is used "with masculine and feminine words beginning with a vowel:"
l'ufficio - l'acqua