Inhaling tobacco is old but inhaling chocolate and to avoid calories is new. Try it. David A. Edwards, Professor of the Practice of Biomedical at Harvard University. Along with his colleagues he invented a chocolate to be inhaled from a lipstick case like inhaler. This inhaler is termed Le Whif .
Le Whif enables you to get a mouthful of chocolate with least amount of calories; the chocolate particles should remain in mouth. A pack of 6 is available for $13 in 4 diffrenet flavors.