GU Energy Roctane Magnesium Plus Capsules Description: GU Energy Roctane Magnesium Plus Capsules help boost athletic longevity and performance by promoting bone and cardiovascular health. They also provide zinc and magnesium, boosting immunity and supporting recovery. Features: Vitamins D and K work together to help promote bone and cardiovascular health Zinc and magnesium help boost immunity and support recovery Recommend taking two Roctane Magnesium Plus Capsules before bed to deliver the key nutrients you need