Caffeine should be no more than 300 mg a day, or about 2 or 3 cups of coffee. If excess, can make the body unhealthy.
Here's a sign the body of excess caffeine, between others:
1. Feeling more fatigue when the afternoon Eating a few can of caffeine-containing beverages a day can make feel have a high energy, and then dropped dramatically in the afternoon. So when the afternoon, will usually tend to feel more loose.
2. Urine is dark yellow or orange Urine that is dark yellow or orange is a sign of dehydration. Coffee is actually a diuretic agent which can lead to dehydration by increasing the amount of urine, so it can loose too much body fluid.
Caffeine is usually not lead to dehydration until after taking about 500 mg.
3. Unable to sleep Caffeine takes about 45 minutes to 1 hour to be absorbed by the body. It means to remain in the body for several hours and can effect sleep cycles.
4. Worry Sweaty palms, heart palpitations and feeling anxious is an indication that has experienced a caffeine overdose.
Caffeine can worsens stress and depression because they interfere with neurotransmitter chemicals in the brain tranquilizer called adenosine. Caffeine can also act as a stimulant that triggers the adrenal gland to release more stress hormones like adrenaline, which can increase heart rate, resulting in feeling more anxious.
5. Heartburn Acid reflux occurs when the muscles at the end of the esophagus (lower esophageal sphincter) causes food and stomach acid flows back up. Thus causing a burning sensation below the chest. If this occurs, an overdose of caffeine can be the cause.