For Prime members only, Amazon offers the Jarrow Formulas Creatine Monohydrate Powder 21.2-oz. Jar for $10.49. Buy it via Subscribe & Save to drop the price to $9.97. With free shipping, that's the lowest total price we could find by $11. It purports to support muscle recovery and promote athletic performance.

Be sure to cancel your subscription after your order arrives to avoid being billed for subsequent shipments.