Thumb Score: +13

Amazon [amazon.com] has 160-Ct Nature Made Vitamin B12 1000 mcg Time Release Tablets for $15.72 – $4.73 – 40% when you apply promo code , on the checkout page – 5% when you check out via Subscribe & Save = $3.91.
Shipping is free with Prime or on $35+ orders.

Price
$16.68 lower (81% savings) than the list price of $20.59