I know it's hard to wean off of CIAmazon, but we all should make an effort to stop shopping there.
Haven't heard of the product you showed, but it sounds overpriced and overhyped, and from an unknown brand.
This has worked the well for me: http://www.jarrow.com/product/188/Neuro_Optimizer
Maybe try it and similar from trusted brands like Now Foods, Doctor's Best, Swanson, etc.
Also try Magnesium Threonate (the only form of magnesium that crosses the blood-brain barrier.)
Vitacost is a good place to buy supplements, and their house brand is often on sale BYGO 50%: https://www.vitacost.com/brain-memory-4