Vitamin N might not feature in all manuals of nutrition, but to Richard Louv and the Children and Nature Network in the USA, it is hugely important.
The mission of the Network is to lead the movement to connect all children, their families and communities to nature through innovative ideas, evidence-based resources and tools, broad-based collaboration and support of grassroots leadership.
You can see their latest news here.
I’ve never heard about Vitamin N. But then I realized what you’re talking about after I follow the link, Cheers