: A reliable retail option that offers standard shipping or potentially same-day pickup depending on your local store's inventory. Walmart : Sells the Basic Prenatal Go to product viewer dialog for this item.

: Carry Thorne products for members, typically matching the standard retail price.

: Often the most convenient for fast shipping. For guaranteed authenticity, ensure the seller is either Thorne or Pattern (Thorne's authorized Amazon partner). Subscription discounts are also available here, often ranging from 10% to 15%.