If you have any doubts about a particular product, contact the manufacturer for assurance. Or else buy certified organic foods, or wholefood products which are guaranteed GM-free. Favour organic butter. Favour organic milk, butter, cream and cheese etc. So favour organic chocolate.
All lecithin is soya lecithin.
Riboflavin is used in baby foods, breakfast cereals, soft drinks and slimming foods etc. In the USA, the GM food supplement Tryptophan killed 37 consumers and permanently disabled 1,500 more. Boots the Chemist recently admitted that their pharmaceutical products are affected by GM . Ask for written confirmation rather than relying on a verbal assurance. All Canadian honey is now suspect, as traces of oilseed rape DNA have already been detected in several brands.