Amazon offers the Amazing Grass Green Original Superfood Organic Powder 60-Serving Tub for $29.03. Clip the on-page 25% off coupon and check out via Subscribe & Save to drop that to $20.32. With free shipping for Prime members, that's a buck under our February mention and the lowest price we could find today by $15.

Note: Be sure to cancel your subscription after receiving your item to avoid being billed for subsequent shipments.

Update: The price has increased to $29.66 before the above discounts, $20.76 after.