Expert insights suggest exploring vitamins and supplements to support energy levels effectively. Before supplementing, thorough testing to identify deficiencies in crucial nutrients like Vitamin D and B12 is recommended. Dr. Sharp emphasizes cautious supplement purchases, highlighting the importance of product quality and accurate labeling. Consulting with healthcare professionals or registered dietitians, along with brand research, enhances supplement selection. Notable recommendations include Vitamin B12, known for improving deficient energy levels; Vitamin D, essential for combating fatigue and enhancing mood; Creatine, beneficial for energy-intensive activities; and Iron, potent for addressing iron-deficiency related fatigue. Caution is advised in supplemental use, aligning consumption with individual deficiencies for optimal efficacy and health benefits.