From: The effects of a low carbohydrate diet on erectile function and serum testosterone levels in hypogonadal men with metabolic syndrome: a randomized clinical trial
IIEF-5
Before
After
P-value
Control group (n = 6)
12
14.2
0.3
Low Carbohydrate group (n = 12)
15.5
17.9
0.01
AMS
41.8
44.7
45.9
34.8
< 0.01