Coinzyme NAD + ኦክሳይድ የተባለ የ NAD ቅርፅ ፣ በመጀመሪያ በ 1906 በብሪታንያ ባዮኬሚስቶች አርተር Harden እና ዊሊያም ጆን ያንግ ተገኝቷል።
The NAD+ coenzyme was first discovered by British biochemists Arthur Harden and William John Young in 1906.