Inogen One G3 Find your freedom to breathe anywhere, anytime without managing oxygen refills or carrying heavy oxygen tanks. The Inogen One G3 portable oxygen concentrator is your at-home or on-the-go solution for oxygen therapy, in a small and lightweight form. Take it with you around town, on the road, or on a cruise! Inogen One G3 Systems. G3 Accessories Compare Systems.
The amount of caffeine in one caffeine pill is equivalent to two cups of coffee. Caffeine pills may be beneficial to students who wish to stay awake for studying purposes. Caffeine pills may be beneficial to people who want to have more energy for exercising in order to lose weight. Caffeine can be ingested in pill form. People who take caffeine pills may have a hard time getting to sleep at night.
Side Effects. The side effects of caffeine pills can range from mild to severe, depending on how many pills you have consumed. One pill of around 100 to 300 mg of caffeine will generally feel like you have consumed between two to four cups of coffee.