700
people found this helpful, as of 2023
ranked #20,115 most helpful
out of 571,544,897 reviews
★☆☆☆☆
Wow
Based on all of the positive reviews, my experience must be an outlier. I hope this product works better for you than it did for me. I noticed no affect on focus, clarity, memory, concentration, etc. Very disappointed.
July 2019 · Health and Household · verified purchase