SHELL

bash: nvm: command not found

source ~/.nvm/nvm.sh

zsh: command not found: nvm

brew reinstall nvm

zsh: command not found: nvm

# NVM Stuff
export NVM_DIR="$HOME/.nvm"
. "/usr/local/opt/nvm/nvm.sh"

nvm zsh command not found

export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh"  # This loads nvm
[ -s "$NVM_DIR/bash_completion" ] && . "$NVM_DIR/bash_completion"  
# This loads nvm bash_completion

zsh: command not found: nvm

Check your .bash_profile, .zshrc, or .profile file.
You most likely had a problem during the installation.

You should have the following at the end of one of those files.

[[ -s $HOME/.nvm/nvm.sh ]] && . $HOME/.nvm/nvm.sh  # This loads NVM