This Source Naturals product is effectively a capsule version of their other 'DMAE 351 mg' tablet, similarly containing 130mg of DMAE per serving, which is a discrepancy from its product name. It maintains a very low price per serving, making it an economically attractive option for consistent DMAE supplementation. The high number of reviews indicates its popularity, likely due to its affordability and the brand's reach. As a single-ingredient product, its effectiveness for brain health, mood, and mental focus relies solely on the widely debated efficacy of DMAE itself. For **Brain Health**, this supplement provides DMAE at a dose purported to support brain function through its role as a choline precursor. However, the scientific community's consensus on DMAE's direct and significant impact on brain health in healthy individuals, when used as a standalone supplement, remains inconclusive. Regarding **Mood Support**, while some users report an improved sense of well-being with DMAE, and anecdotal reports suggest mood-lifting properties, a robust body of evidence for its consistent effectiveness in mood regulation or clinical use is not established. It is not generally endorsed by nutritionists as a primary mood support agent. In terms of **Mental Focus**, DMAE's theoretical mechanism of influencing acetylcholine levels could contribute to enhanced attention. Nevertheless, comprehensive, modern scientific studies that unequivocally demonstrate a widespread and reliable improvement in mental focus from DMAE supplementation alone are still insufficient.