Table 1: Correlational Studies Between Dietary Fat Intake and Testosterone Levels in Men

Ref

#

Age

Group

Fat

SFA

PUFA

P:S

CHO

PRO

Fiber

Calories

Results

#

Subj.

years

%

%

%

ratio

%

%

g/d

kcals/d

3

14

27

O

36.8

14.8

4.1

0.28

48.3

16.6

14

2620

15

29

V

16.7

9

6.3

0.7

58.3

12.6

38

2700

HS, LAT

4

144

34.5

MZ

39.2

NG

NG

NG

41.2

18.1

6.5

3212

FINVT

5

12

33

M

NG

NG

NG

NG

NG

NG

NG

NG

NC

34

26

NE

NG

NG

NG

NG

NG

NG

NG

NG

NC

23

69

VM

NG

NG

NG

NG

NG

NG

NG

NG

NC

15

73

NVM

NG

NG

NG

NG

NG

NG

NG

NG

NC

7

1241

54.4

MAM

NG

NG

NG

NG

NG

NG

NG

NG

NC

12

12

56.5

SV

34

10.5

>5.7

>.54

54

14

37

2667

LT

10

55.3

SNV

38

12.6

>5.9

>.47

45

18

23

2292

8

55.8

NV

40

11

>5.8

>.53

39

12.7

20

2617

HT

13

18

41.4

VEG

32.6

6.2

10.3

1.66

54.4

11.5

56.6

2581

HS

22

40.3

O

38

12.9

7.2

0.60

43

14.4

35.1

2605

19

12

23.8

RTM

23.0

6.8

4.1

0.65

56.0

20.0

21.3

2366

FCT, PSLT

CHO = Carbohydrates; FCT = % fat, SFA, & MUFA correlated with higher T levels; TINVT =
Fat inversely correlated to T; HS = Higher SHBG levels correlated with V & VEG diets; HT =
Higher T; LAT = Lower available T; LT = Lower T; M = Macrobiotic; MAM = Middle-aged men;
MZ = Monozygotic twins (72 pairs); NC = No correlation (macronutrients vs T or fT); NE =
Normal eaters; NV = Non-Seventh Day Adventist and Non-vegetarians; NVM = Nonvege-
tarian monks; O = Omnivores; PRO = Protein; P:S = PUFA:SFA ratio; PSLT =PUFA:SFA ratio
correlated with lower T levels; PUFA = Polyunsaturated fatty acids; RTM = Resistance trained
males; SFA = Saturated fatty acids; SNV = Seventh Day Adventist Nonvegetarians; SV =
Seventh Day Adventist Vegetarians; T = Testosterone; V = Vegetarians; VEG = Vegans; VM
= Vegetarian monks