Common side effects of beta blockers are nausea , vomiting , abdominal cramps, diarrhea , and weight gain if you are taking medicine for diabetes (type 1 and type 2). There are other important side effects and serious adverse effects of this drug class that include, blurred vision , insomnia , hair loss , disorientation, CNS system effects, and serious heart problems. Beta blockers interact with several other drugs, for example, chlorpromazine ( Thorazine ), clonidine ( Catapres ), Phenobarbital, nonsteroidal anti-inflammatory drugs ( NSAIDs ) including aspirin , and diabetes medications , including insulin .
Campbell TC. The Cornell-China-Oxford Project on Nutrition, Health and Environment . 1990; Chen J and others. Diet, Lifestyle and Mortality in China. A study of the characteristics of 65 counties . Monograph, joint publication of Oxford University Press, Cornell University Press, China People’s Medical Publishing House. 1990. This exhaustive study of Chinese diets found that legume consumption ranged from 0 to 58 grams per day, with an average of 13 grams. Assuming that two-thirds of this is from soybeans, then consumption averages about 9 grams of soy products per day. Isoflavone content would probably be about 10 mg/day.