[diydsp]

Taurine is not essential. The body makes its own creatine and taurine.[0][1] B12 is available in a number of vegan sources[2], though vegans should generally supplement it.

[0] https://veganhealth.org/taurine-and-carnitine/

[1] see "Creatine for Vegans" https://www.fitbod.me/blog/natural-food-sources-creatine

[2] https://www.freshnlean.com/blog/vegan-b12-sources/