The NAD+ coenzyme was first discovered in 1906 by British biochemists Arthur Harden and William John Young.
Coenzyme NAD +, ຮູບແບບທີ່ຜຸພັງຂອງ NAD, ໄດ້ຖືກຄົ້ນພົບຄັ້ງ ທໍາ ອິດໃນປີ 1906 ໂດຍນັກຊີວະວິທະຍາສາດອັງກິດ Arthur Harden ແລະ William John Young.