Despitethe lack of research on liver effects, there have been a few case reports suggesting excessive energy drinks may cause liver damage. Hepatitis or liver inflammation was diagnosed in a woman who Elevatedheart rate. Irregular heartbeats. Aortic dissection. Sudden cardiac death. The long term side effects of energy drinks on the cardiac system include hypertensive heart disease, coronary artery disease and atherosclerosis. In addition to the problems with the heart, the ones with high sugar content may cause weight gain. 23 8 oz sugar free redbulls for me every day. 16 oz coffee in the am and a preworkout of approx 200mg of caffeine as well. Eat fairly healthy and exercise 5x a week - haven't ConsumingMonster Energy Drinks may be tempting, but consider the potential risks to your kidneys. Too much caffeine and sugar can take its toll on your body, and can be especially harmful to your kidneys. Overconsumption of Monster Energy Drinks can cause dehydration and can also impair kidney function. The excessive sugar MonsterEnergy. That sugar-packed Monster Energy drink isn't likely to get any dietitian's seal of approval. "A 16-ounce serving of Monster Energy contains 54 grams of sugar," says Holly Klamer, MS, RDN, a registered dietitian nutritionist with My Crohn's and Colitis Team. "This amount of sugar is more than double the recommended REIZEis a powdered energy drink that comes in a sachet – all you need to do is add water. It’s also much more versatile than most other energy drinks – you can mix it with virtually any beverage of your Theaverage 8-ounce (240-ml) serving of Red Bull or Monster provides slightly less caffeine than the same amount of coffee. However, both drinks contain some added sugar and substantial calories, which make them less ideal for those seeking a healthy energy boost. The amount of caffeine in both drinks is extremely high. AreSugar-Free Monster Energy Drinks Bad for You? There is no straightforward answer to the question of whether or not sugar-free Monster Energy Drinks are bad for you. On the one hand, the sugar-free option has significantly less sugar than regular energy drinks, which is a significant benefit. Added sugars have been linked to an increased Reign Reign packs a punch with 300mg of caffeine per can. Advertised with the slogan ‘Total Body Fuel’, Reign is a popular energy drink that contains a boatload of amino acids, B vitamins, and minerals that makes it a great pre-workout type of drink. Reign Energy contains a solid 300mg of caffeine, just 10 calories, and is completely sugar Ipersonally drink, at a minimum one zero sugar energy drink every day - usually a 500ml white monster. In a week I will probably average about 8.5 since some days I will have another one if work demands or my workout demands. This is about 160-220mg of caffeine a day since where I live (UK) higher caffeine drinks are a bit limited, I think DmQGL7B.