This Source Naturals product is labeled 'DMAE 351 mg' but contains 130mg of DMAE per serving, a significant discrepancy that could confuse consumers expecting a higher dose. Despite this, the 130mg dose is within the commonly recommended range for DMAE supplementation. Its primary appeal lies in its exceptionally low price per serving, making it one of the most budget-friendly options for acquiring DMAE. The high review count suggests a broad user base, likely attracted by its affordability. However, as a single-ingredient product, its efficacy hinges entirely on the debated benefits of DMAE for its stated cognitive goals. For **Brain Health**, this supplement provides DMAE, which is hypothesized to support brain function by influencing cholinergic pathways. Yet, the current scientific literature presents limited robust evidence demonstrating significant and consistent improvements in brain health for healthy individuals from DMAE supplementation alone. Regarding **Mood Support**, while some individuals report an uplifting effect from DMAE, and older studies explored its potential, there isn't a strong consensus among nutritionists or within mainstream science to recommend it as a reliable agent for mood enhancement or treatment of mood disorders. In terms of **Mental Focus**, DMAE's purported role in increasing acetylcholine levels suggests a possible benefit for concentration and attention. However, comprehensive, modern research rigorously proving a consistent and significant enhancement of mental focus across a wide population with DMAE is largely lacking, relying more on subjective user experiences.