You are suppose to take them 30-60 min before a meal 3 times a day. If taking two is upsetting your stomach then try taking just one and see if that helps.
who cares what you weigh as long as you are looking leaner the same weight could be a number of possibilities. Are you weighing yourself at the same time everyday. You could be retaining more water.
what about the powders like nitrous or no-explode I've like these better because with the pills you have to take like 8-10 capsules and with the powders yu just have to mix with water and drink them