Give Off Good Energy. 200mg caffeine, 0 sugar, 10 calories, Biotin & B vitamins Buh-bye, burnout! Refresh and reset with our best-selling Alani Energy. Each can serves up 200mg of caffeine and bold flavor – all for 15 calories or less and 0g of sugar! With a dash of vitamin B6 and B12, these energy drinks will help keep you and your natural glow at your brightest – even on your busiest days.