Power Pak - Concord Grape from Trace Minerals is for anybody who's ever felt drained or sluggish after a day in the hot sun or a tough workout. What you need in times like those are electrolytes, not caffeine or artificial stimulants. You need Power Pak. This formula delivers 1,200 mg of vitamin C, an essential antioxidant for people who are active and on the go. It also features all major electrolytes (potassium, magnesium, chloride and sodium). The gluten-free, vegan Power Paks in grape flavor fizz up quickly for a refreshing, energizing drink.