Short answer: tamari sauce is a type of soy sauce from Japan. It contains very little or no wheat. Long answer - complete guide to soy sauce.
What's the difference between tamari and soy sauce?
What Is Tamari Sauce? - Difference Between Tamari and Soy Sauce
Tamari: What's the Deal with this Soy Sauce Substitute?
What Is The Difference Between Soy Sauce And Tamari Sauce? And Why
soy sauce has #gluten while our tamari is naturally #glutenfree
What Is Soy Sauce? Here's Everything You Ever Wanted to Know
Gluten-free Soy Sauce and Tamari Tasting - Viet World Kitchen
San-J Tamari Gluten Free Soy Sauce, 20 fl oz - Kroger
Best Tamari Substitute: 12 Alternatives Ranked - Evergreen Kitchen
Tamari vs Soy Sauce: What's the Difference?
Tamari vs Soy Sauce vs Coconut Aminos - Downshiftology
5 Reasons To Swap Soy Sauce For Tamari
A Guide to Soy Sauce Varieties