Thumb Score: +12

Bayland Health via Amazon [amazon.com] has 240-Ct 500mg NatureBell Magnesium Glycinate Capsules for $15.96 – 20% when you ‘clip’ the coupon on product page – 10% when you check out via Subscribe & Save = $11.17.
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])