What’s in Rockstar Energy Drink?

Rockstar is one of the top selling energy drinks in the country. Find out what’s in it and whether it’s safe.

What is Rockstar energy drink and why should you be concerned about it? Rockstar is a top selling beverage in one of the fastest growing drink categories in the country – energy drinks. These drinks are being embraced by teens and college kids as a source of caffeine and energy to help them stay awake while studying for exams and to allow them to get by on less sleep. Even more disturbing is the fact that mixing energy drinks with alcohol is a growing trend among college students. What are the ingredients in Rockstar energy drink and is this beverage safe?

Caffeine and Sugar

As would be expected, Rockstar energy drink has the requisite caffeine and sugar. In fact an eight ounce can of Rockstar has a whopping 31 grams of sugar and 140 calories. Combine that with eighty milligrams of caffeine and you can see that Rockstar isn’t a good choice for anyone who suffers from heart disease, hypertension, diabetes, or obesity – or anyone for that matter.


Ginseng is an herb that’s supposed to help reduce stress and fatigue. Allergic reactions have been reported to this herb, but it’s generally considered to be safe, although it shouldn’t be used by diabetics, or people with heart disease or blood clotting problems.

Ginkgo Biloba

Ginkgo is an herb that’s been studied for its potential to improve memory and decrease the risk of Alzheimer’s disease. Unfortunately, the latest studies show it has no benefits for Alzheimer’s patients. Gingko is generally considered to be safe, although it can be associated with allergic reactions, mild headache and stomach upset. As with most energy drinks Rockstar probably doesn’t contain enough gingko to have significant benefits of adverse effects.


This South American herb is one that’s caused a lot of controversy. It’s commonly found in diet and weight loss pills because of its stimulatory, caffeine-like effects due to the theobromine and theophylline it contains. It can cause a variety of serious side effects at high doses including seizures, anxiety, nausea, headache, irregular heart rhythms, and allergic reactions. It can also increase the risk of bleeding when taken with aspirin or other blood thinning medications. Anyone with a history of heart disease, hypertension, or diabetes should stay away from this herb.

Milk Thistle

Milk thistle is both an antioxidant and a liver detoxifier. The reason milk thistle is added to energy drinks such as Rockstar is to reduce hangovers when these drinks are combined with alcohol. Milk thistle is thought to help lessen the severity of hangovers by helping the liver break down the alcohol more quickly. It does seem to have some liver protective properties, but it isn’t clear whether it actually works for hangover relief.

Is Rockstar Safe?

Because of the caffeine and guarana, most energy drinks such as Rockstar aren’t safe at high doses, although you’re unlikely to experience serious health effects from drinking one or two cans unless you have an underlying health problem or mix it with alcohol. Longer term, drinking energy drinks such as Rockstar could cause problems such as obesity due to the high sugar content and problems related to the guarana and caffeine these drinks contain. All in all, they’re not a healthy drink choice. You’re better off drinking unsweetened green tea or water instead.

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  1. this is good

  2. Thorough explanation of ingredients and their effects. Thank you.

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