Retching is the movement of the stomach and esophagus without vomiting and is also called dry heaves. Although treatments for nausea and vomiting have improved, nausea and vomiting are still serious side effects of cancer therapy because they cause the patient distress and may cause other health problems.
Hoodia is an extract from a certain species of cactus and does not naturally contain caffeine. However, some Hoodia products have caffeine and certain other stimulants added to them by their manufacturers. Always research Hoodia products carefully before making a purchase.
Some people think Garcina Cambogia contains caffeine because it is an effective weight loss supplement. Caffeine is actually very harmful when included in weight loss products. The stimulant effects might suppress hunger artificially. The reality is that caffeine is a diuretic.