The FDA says it can raise blood pressure and lead to cardiovascular problems ranging from shortness of breath and tightening in the chest to heart attack and death. Dark Energy is labeled as a “research product” that’s “Not for human consumption.”
The Final Verdict. Pre-workout supplements are a great way to help you get the most out of your training sessions. The dark energy pre-workout by Life Magnitude Sciences is one of the more potent ones and can cause a massive energy rush. It contains two stimulants, DMAA & DMHA, which are quite popular amongst athletes.