White kidney beans black coffee weight loss has side effects?

White kidney bean black coffee weight loss has side effects, can be analyzed from the cardiovascular system, digestive tract system, nervous system.

1. Cardiovascular system

black coffee contains a lot of caffeine, caffeine can excite the heart, dilate blood vessels, cause abnormal fluctuations in blood pressure, if drinking for a long time can cause cardiovascular and cerebrovascular accidents.

2. Digestive system

patients drink too much black coffee can stimulate gastric mucosa, causing digestive tract damage, causing stomach problems, vomiting and stomach cramps, affecting appetite, making the body feel tired and weak.

3. Nervous system

black coffee caffeine can make nerves excited, causing nervous tension and insomnia. And excessive intake of caffeine is prone to tachycardia.

If pregnant women drink too much black coffee, it may lead to fetal malformation or abortion; if lactating women drink a lot of black coffee, caffeine will enter the child's body with milk, making the child restless and unable to sleep. Appropriate drinking black coffee can assist weight loss, but do not drink too much.