Are vitamin supplements, specifically B12 and D, essential for our health?

Blogging... https://momentarylapseofsanity.com/ Almost all the pictures in my blog are borrowed from the internet and are not my own. I hope anyone who paroozes my blog thoroughly enjoys it and I hope in some way that it touches your life. MLWA = My last winter alone. One of my readers gave me that idea and it fits perfectly. View all posts by facetioussoup aka MLWA