Amazon is offering a Buy One Get One FREE on Vitamins. Even better, some vitamins are already on sale, plus, you can opt for Subscribe & Save to get an extra 5% off. This Nature Made Super B-Complex Tablets (60 ct) is now available for $4.10 (regularly $5.69), you can buy two to get one of them for FREE and opt for Subscribe & Save to get an extra 5% off, making you final price ONLY 1.84 each or $3.69 for both!