Between varying sugar contents and unique flavors, there are plenty of ketchup options to choose from on store shelves, but this popular brand is the best.

This story appears in the February 2019 issue of National Geographic magazine. Ketchup—that cheerful red sauce sold in handy glass bottles—first came on the American market in the 19th century.

Insider visited the Heinz Tomato Ketchup factory in Elst, Netherlands, where 1.8 million is made It's one of the world's most popular condiments, and it can be found in many households around the ...