Gall Bladder is present. The gastric phase is mediated by the vagus nerve and by the release of gastrin. The pH of the gastric contents determines whether some substances are absorbed. Ivan Petrovich Pavlov , the Russian physiologist, originally demonstrated this method of gastric secretion in a now-famous experiment with dogs. Stomach ulcer illustration via Shutterstock.
Absorption and emptying
Oz promoted it and continues to assert that garcinia cambogia is an effective aid to weight loss. The claims for weight loss are nothing short of outlandish and there is real science that suggests the whole thing is a hoax.
Studies that claim to have found weight loss were carried out on animals. Studies involving humans are for the most part badly designed.