Vitamin B12 deficiency can cause weakness and anaemia. When B12 status is adequate, supplements have not been shown to increase energy. Discussing B12 status is especially useful with a vegan diet or impaired absorption.
Iron can help with iron deficiency, but it should not be taken at random. A doctor assesses symptoms, a complete blood count and measures of iron stores in the context of the individual situation.
This selection offers two different approaches, not an obligatory pair. Choose only what there is a reason to take, and check the amount of the ingredient per serving.
Before use
Persistent unexplained weakness needs medical assessment. Iron products are particularly dangerous if accidentally swallowed by children; keep them out of reach.
Educational information. Supplements do not replace a balanced diet or medical care.