It’s a source of B12. Thirstier vegans might not need to supplement. It also contains plenty of zinc and antioxidants.
Despite what you may have heard, you absolutely should not put it on your face in the name of skincare.
www.healthline.com
This actually raises an interesting question. Could a vegan get their B12 by consensually and safely consuming another person’s bodily fluids? Vegan blood exchange, anyone?