Hi i have had gastrics for several years. Basically i cant eat cake, soya, whitebread etc...Recently i get a puffy stomach, Burps, lethagic, headaches and rumblings in my stomach. I have not been on medication for more than two years.As a result of this i get constipated sometimes.I would really like an advise as for many years there have been no solutions for my gastric .Tks, Sheahan