Question: what is the best vitamin or supplement for energy?
Answer: Ashwagandha. Ashwagandha is one of the most important medicinal herbs in Indian Ayurveda, one of the world's oldest medicinal systems ( 1 ). ...  Rhodiola Rosea. ...  CoQ10. ...  Vitamin B12. ...  Iron. ...  Creatine. ...  Citrulline. ...  Beetroot Powder.