Amazon has the 30-Ct of Atkins Snack Bars (Lemon Bar, 1.41oz each, 6x 5-ct boxes) for $35 - 35% off (check “Save an extra” box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel at any time) = $21 with free shipping on $25+ or with Prime.

70 cents per bar. Each bar has 13 grams of protein and 8 grams of fiber (3 net carbs).