Thank you for the tips Javizy and Raster.
They may help, but I think that the candida diet is going to be the only thing in general that will help me with the gas in the long term. By ‘leaky gas’ I meant that it leaks out without my control, and I constantly have a fecal smell throughout the day (although I cannot smell it myself). I have done some general research into it and research is yet to investigate the causes of this problem, but there is a charity doing small informal studies into the problem and their initial results suggest that candida may play a part(http://www.bloodbornebodyodorandhalitosis.com/).
Although there may be more to the problem as it does not explain why the majority of candida sufferers do not experience this problem as I have yet to see a person post on this forum with similar symptoms.