From: NAD+ metabolite levels as a function of vitamins and calorie restriction: evidence for different mechanisms of longevity
NAR
NaMN
NMN
NR
SDC -NA
0.01
0.15
1.0
0.11
SDC
0.12
0.42
0.07
YPD
0.20
0.19
YPD 0.5
0.14
0.31
0.13
YPD 0.2
0.29
0.10