Dr. Oldhaver Maca + Guarana capsules Dr. Oldhaver Maca + Guarana Capsules – Power Blend for Vitality Invigorating Guarana Long-lasting invigorating effect. Guarana is a natural energy booster that provides immediate energy. Unlike coffee, the caffeine is released gradually and therefore lasts longer. Stimulating Maca Maca powder also naturally stimulates potency and provides new energy. In naturopathy, maca is used for low libido, potency problems, and menopause. Vitamin E The addition of vitamin E makes the capsules particularly effective, as the vitamin helps to... to protect the cells from oxidative stress. Gentle on the stomach Guarana caffeine is gentler and easier on the stomach than caffeine from coffee beans, as it contains no irritants. and is therefore ideally suited as a coffee caffeine substitute for people with sensitive stomachs. Easy to use Simply take one capsule three times a day with a meal and liquid to enjoy energy for the whole day.