For listing creation on amazon, which one is more recommended website to buy UPC

GS1 website is highly recommended to buy UPC for listing creation

The most reliable and Amazon-trusted and recommended website for purchasing UPC is GS1. You can purchase from that website for your listing.

The most trusted and recommended Amazon site to buy UPCs is GS1.

It is highly advised to purchase UPC for listing creation from the GS1 website, also amazon recommend to buy UPCs from GS1.

Amazon recommended the UPCs from GS1 website to create a listing.

GS1 website is recommended by Amazon to buy UPC’s.

It is highly recommended to purchase UPCs from the GS1 website in order to create listings.

Amazon requires that all products listed for sale have a unique product identifier, such as a UPC (Universal Product Code), EAN (European Article Number), or ISBN (International Standard Book Number). These codes are used to identify products and help ensure that product listings are accurate and complete.
There are several websites where you can purchase UPC codes, including GS1, Nationwide Barcode, and Buyabarcode.com.
Of these, GS1 is the most widely recognized and recommended by Amazon, as it is the original source of UPC codes and is the only organization authorized to issue UPCs in the United States.

Amazon recommends you buy the UPC from the GS1 website. Because the GS1 website is an authentic website and Amazon wants the customers to purchase the UPC from it.