Caffeine is one of the most consumed compounds in the world. According to the University of Washington, the average adult consumes 200 mg of caffeine every day. Cumulatively, across the globe, about 120,000 tons of caffeine are consumed every year. Caffeine is readily available in coffee, tea, sodas, energy drinks and pill form. Caffeine pills are especially popular among athletes, students and just about anybody looking to stay awake and remain alert. Despite the popularity and easy access to caffeine pills, taking these supplements may have significant side effects.
Pregnancy Complications
A serious potential side effect of taking caffeine pills is complications with pregnancy. According to the University of Michigan Health Service, caffeine taken while pregnant may increase the chances of having a miscarriage, premature delivery and low birth weight of your child. Large amounts of caffeine may also affect your baby's breathing or heart rate. The recommendation is to limit your consumption of caffeine to no more than 200 to 300 mg per day. This is equivalent to about 2 cups of coffee. Keep in mind, however, that caffeine pills may contain much higher concentrations of caffeine than coffee or soda. Be aware of just how much caffeine your particular supplement contains. Speak to your doctor about your caffeine use if you are pregnant or trying to become pregnant.
Insomnia
Caffeine pills may cause insomnia if taken too close to bedtime. The effects of caffeine generally last from 4 to 6 hours. The University of Kentucky suggests avoiding caffeine altogether if you have insomnia. If you do have caffeine, you should avoid consuming it at least 6 hours before going to sleep. Again, caffeine pills often supply large amounts of caffeine. If you are sensitive to caffeine and have insomnia, you will likely have a difficult time getting to sleep if you take caffeine pills close to bedtime.
Rapid Heartbeat
Caffeine pills may increase your heartbeat or lead to an irregular heartbeat. According to the University of California at San Diego, caffeine or caffeine-based diet pills may cause your heart to beat faster or even skip a beat. Caffeine will not directly cause high blood pressure or heart disease, but it may temporarily cause an increase in your heart rate. If you have hypertension or have been diagnosed with an irregular heartbeat, you should consult with your doctor or cardiologist before using any caffeine pills or dietary supplements that contain caffeine.
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