A proprietary blend lists ingredients without individual doses. It tells you what is inside but not how much. This is common in the supplement industry and limits your ability to evaluate products.
To protect a unique formula (rare) or to mask the fact that expensive ingredients are included in token amounts while cheaper fillers dominate (common).
You have the right to know what you are consuming. While FDA regulations allow proprietary blend labeling, transparency is a choice companies make. Full dose disclosure allows you to compare against clinical research and evaluate value.
We acknowledge that five of our six ingredients have undisclosed doses. Only Magnesium Glycinate is disclosed at 80mg. We state this openly rather than framing it as a feature.