A reminder that easiest way to avoid becoming deficient, is a tiny amount of locally sourced fresh animal protein. Dont feel like you failed if you do. We are biologically evolved to need it. That is tough to avoid.
It certainly better than having to find the right suppliments that are ethically and sustainably produced.
Its also the best way to convince people to eat more sustainable and healthy. Not to become 100 vegetarians, but to become 95% vegetarians.
That is how we make the biggest improvement in the world.