Thumb Score: +10

Vitboost via Amazon [amazon.com] has 120-Ct VitBoost Magnesium Glycinate 500mg Sleep Support Capsules for $9.95 – 20% when you ‘clip’ the coupon on product page = $7.96.
Shipping is free with Prime or on $35+ orders.

Savings
Save an extra 20% on your first Subscribe and Save order. (check and activate [amazon.com])