The next time you are in Walgreens, keep your eyes peeled for a possible clearance deal on Brainstrong. They are marked down to $3.24 in some stores and there was a coupon in the Walgreens Vitamins and Supplements Booklets (found in the stores) for $3/1 you can use and get it for just $0.24!
Brainstrong – $3.24
$3/1 Brainstrong coupon from Walgreens booklet
Final Price: $0.24
Thanks Shellie (deal and photo credit)!