Amazon offers the Nature Made Vitamin B-12 1000mcg 150-Count Softgels for $3.35 with free shipping via the steps below. That's the lowest total price we could find by a buck. It contains soy. To get this deal:

1. View the Nature Made Vitamin B-12 1000mcg 150-Count Softgels for $4.58
2. clip the $1 off coupon on the product page
3. order via Subscribe & Save for a final price of $3.35