Since this formula's own guarantee is calculated from your purchase date, your order confirmation email is worth keeping accessible from day one.
Your order number, the purchase date, the exact package and price you paid, and any correspondence with customer support — all worth keeping in one place, not just your inbox.
Since fuller results are described as building over 60 to 90 days, having your purchase date clearly documented protects you if there's ever a question about your remaining time within the 90-day guarantee window.
Every order is covered by the 90-day money-back guarantee.
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