In situations such as seasonal changes, times of greater physical exhaustion, stress or after a flu or cold, we can feel lacking in energy, tired and fatigued. Sustenium Plus is formulated with Magnesium and Iron, which help reduce tiredness and fatigue, Thiamine, which contributes to normal energy function and Vitamin C which contributes to the normal functioning of the immune system. Use It is recommended to take 1 sachet of Sustenium Plus a day. Dissolve the content in a glass of water (200ml).