Gas question..
Do you keep a food diary? It may help you pinpoint where the gas is coming from. As for sugar substitutes I've also heard they can cause gas, especially sugar alcohols so you may want to pay close attention to that for a few days and see if it makes a difference. I use Splenda and try to only buy products that use it. I'm only 3 weeks out and have had some complications so I'm not yet eating enough to say much more :)