Keva - Goji Berry Drops (30 ml). Keva - Goji Berry Drops helps to stay healthy and full of energy. Free radicals cause damage to cell parts such as proteins, DNA & Cell Membranes which can lead to many health problems. Keva Goji Berry Drops helps to provide antioxidant protection that helps to boost immunity power, maintain healthy heart, pancreas, liver, immune functions. It helps to enhance blood circulation, control cholesterol and triglycerides levels. It also helps to accelerate process of healing, maintain healthy liver, enhance energy and stamina. It helps to reduce stress, fatigue and exhaustion.