marcus rashford warns of the effects of the government s decision to remove the £20 per week increase to universal credit. doctors are being warned to look out for a dangerous work out trend called dry scooping stop it involves eating protein supplements meet, rather than diluting them in water. the worry is that teenagers or others may try it, spurred on by a flurry of internet videos. let s talk to nutrition scientist bridget, from the british nutrition foundation. what is the problem with this? :, :,: :, this? the main active ingredient of these powders this? the main active ingredient of these powders is this? the main active ingredient of these powders is caffeine. - this? the main active ingredient of these powders is caffeine. they . these powders is caffeine. they vary, in terms of the level of the caffeine content, from anything