Table 3

Reported tolerability of niacin and placebo

Tolerability, No. (%)
Niacin (n = 33)
Placebo (n-35)

No effect
0 (0)
34 (97.1)
Easy to tolerate
2 (6.1)
1 (2.9)
Mildly unpleasant, but tolerable
14 (42.4)
0 (0)
Unpleasant, and difficult to tolerate
11 (33.3)
0 (0)
Intolerable, and would never take niacin again
6 (18.2)
0 (0)

Mills et al. BMC Clinical Pharmacology 2003 3:4   doi:10.1186/1472-6904-3-4