Natures Aid Vitamin B12 Spray is a convenient and tasty alternative to tablets. Just 2 sprays gives you a high strength dose of 1000μg (40,000%NRV) with a 120 days supply in each pack. Suitable for vegetarians and vegans and contains no artificial colours or flavours. Supports Energy Tiredness Fatigue Healthy Immune Nervous System - Pill Tablet Capsule Free.