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Science Simplified: EyePromise DVS & DiVFuSS

When it comes to vitamins and supplements, a lot of brands would claim that they’re “supported by science.” However, that “science” is hardly ever for the formula as a whole, and it’s often in the form of clinical studies, which are hard enough for clinicians to understand. EyePromise DVS is one of the unique formulations that has been tested in a clinical trial, and we’re breaking down the results so you can understand what all that science means for you.

Diabetes and Visual Function Supplement Study (DiVFuSS)

The EyePromise DVS formulation was researched in the Diabetes and Visual Function Supplement Study, or for short, DiVFuSS (div-fuss). Researchers called this a “6-month randomized, double-blinded, placebo-controlled clinical trial to test the effects of a novel, multi-component nutritional supplement on visual function.” Broken down, this simple means:

  • 6-month: the study lasted 6 months.
  • Randomized: the participants who received the formula were chosen at random.
  • Placebo-controlled: they used a placebo to test when the supplement actually worked or if people just believed it did.
  • Double-blind: neither the researchers nor the participants knew who was getting the real supplement vs. the placebo.
  • FDA-approved clinical trial: it was regulated by the FDA and other clinicians to ensure accurate data and safe practices.
  • Test the effects of a novel multi-component nutritional supplement on visual function: they wanted to see if a unique combination of nutritional ingredients could positively impact vision.
    • Ingredients were chosen because they may help improve contrast sensitivity (ability to see gray objects on a gray background), color vision, and the ability to see in low light situations.


The “results” section in clinical trial papers are often littered with confusing statistical changes and conclusions. Here’s what the results of DiVFuSS mean:

  • Increased macular pigment optical density (MPOD)
    • This is our eyes’ natural protective layer and a key to supporting eye health in patients with diabetes.
  • Increased contrast sensitivity: the ability to see objects on similar-colored backgrounds (e.g., a dark car on a dimly lit street)
  • Improved color vision: the vibrancy of colors 
  • Increased vision in low light: the ability to see in low-light conditions, like navigating a movie theater.
  • Improvements in blood lipids
  • Reduced feelings of pins and needles in the toes, feet, and legs.

*Most importantly: the DiVFuSS formula had no effect on participants’ average blood sugar levels (glycosylated hemoglobin, a.k.a. the A1c test).*

What Does All This Mean?

The formula studied in DiVFuSS has been clinically proven to support healthy vision and vascular health from the inside out without impacting blood sugar, making it ideal to support eye health in people suffering from diabetes or prediabetes. That formula is now available as EyePromise DVS.