Having a happy work environment should be something every company strives to create. Not only is happiness at work great for employees, but companies can benefit too. Happy employees make better workers; they’re more productive, flexible, resilient, creative and they take fewer sick days. But the onus isn’t just on employers to create a happy work environment. Employees too have a personal responsibility to take charge of their own workplace happiness. If you’re looking to boost your happiness at work, here are 3 ways NAD+ supplements can help.