Is Super Dragon Ball Heroes canon?

Super Dragon Ball Heroes is not canon. It is set in an alternate timeline. Despite featuring Son Goku, Vegeta, and the other Z Fighters, it does not tie into the main story in any way.

What characters / forms deserve to be Canon? : r/Dragonballsuper

10 Things You Completely Missed In Super Dragon Ball Heroes

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Is Dragon Ball Super: Super Hero canon?

Hearts (Canon, Super Dragon Ball Heroes)/Ningen Zoo, Character Stats and Profiles Wiki

Super) Dragon Ball Heroes Official Discussion Thread - Page 387 • Kanzenshuu

The TRUTH About Dragon Ball Heroes

Dragon Ball Heroes: 5 Great Villains to Come Out of the Miniseries

Gohan & Piccolo's Super Hero Forms Will Officially Become Manga Canon

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What Parts of Super Dragon Ball Heroes Should Become Canon?

Dragon Ball Super (TV Series 2015–2018) - IMDb

Dragon Ball Heroes (Canon)/Whyaresomanynamestaken, Character Stats and Profiles Wiki

Dragon Ball Super Finally Connects Its Anime and Manga Timelines