Generally speaking, yes, men lose faster than women. This is mostly due to lean muscle mass. Men have more of it; muscles burn the fat and increase your metabolism. Having more is desirable.

On average men can safely lose 3 lbs of body fat a week, women 2 lbs. Anything more is usually water or muscle.

Men also tend to have less food intolerances and allergies than women - the biggest being cheese. No one is sure exactly why this is but some hypothesize that it is the hormones in milk products that cause so many problems for women.

HTH,
Nat