Phyzix MD Energy Stix in Natural Citrus transforms water into a great-tasting, revitalizing energy drink. Each stick provides a combination of B vitamins, electrolytes, trace materials, amino acids, herbs, and antioxidants to fuel your body's energy production. These energy stix are a great, all natural way to boost your energy levels with minimal calories and added sugars. Add an energy stick to your water and watch how it transforms your water and your day.