What protein powder should I drink after work-outs, that won't add bulk? I am lactose intolerant and vegetarian.

The good news is that it's challenging to put on bulk muscle as a woman. Providing you keep up with your cardio routine, and complement this with diet, you won't bulk up. For a balanced approach to exercise, remember to include strength training and maintain flexibility with stretching.

Ideal supplement options for you include rice or soy derived protein and if you're not a Vegan, egg-white powder. Whey Protein Concentrate is very low in lactose and usually well tolerated by those with lactose sensitivity. Whey Protein Isolate is lower still. Also adding flaxseed meal or LSA (linseed, sunflower and almond meal) will provide fibre, a certain amount of extra protein and beneficial fats. It is also advisable to take protein after workouts for advanced repair/recovery