Stock up today on Nature's Plus Source of Life Energy Shake Creamy Granola! Source of Life Energy Shake is a nutritionally complete, highly concentrated blend of complete protein, vitamins, minerals, enzymes, lipids, bioflavonoids, plant pigments, nucleic acids, herbs and energy-producing nutrients from whole-food concentrates. This broad spectrum is then synergistically fortified with highly nutritious whole-food concentrates, such as spirulina, sunflower oil, black currant seeds, citrus and other tropical fruits, to form one of the most powerful and delicious multi-vitamin and mineral protein shakes ever developed.