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References

Study Designa

Sodium (Na) Intake g/d (mmol)

Na/Potassium (K) Ratio

Zemel et al., 1986

16 African-American men and women

1 (43)

 

 

2 wk

4 (174)

Sowers et al., 1988

14 African-American men and women

0.92 (40)

 

2 wk

4.1 (180)

Johnson et al., 2001

17 elderly subjects, 0.92 g/d (40 mmol/d) Na diet + sodium dose

0.92 (40)

2.1 (90)

3.2 (140)

5.5 (240)

 

2 wk

7.8 (340)

Sharma et al., 1990

15 men, 2.3 g K (60 mmol)

0.46 (20)

0.3

5.1 (220)

3.7

 

3 wk

 

Kirkendall et al., 1976

8 men, 3.9 g K (100 mmol)

0.23 (10)

0.1

 

4 wk

4.8 (210)

2.1

 

 

9.4 (410)

4.1

Mascioli et al., 1991

48 men and women, provided a placebo or sodium tablets, no diet information

+0

 

+2.2 (96)

 

4 wk

 

Ruppert et al., 1993

25 men and women, 2.9 g K (75 mmol)

1.9 (85)

1.1

4.6 (200)

2.7

 

4 wk

 

Schorr et al., 1996

21 elderly men and women, provided Na-containing beverage or placebo, reduced dietary salt intake < 2.3 g (100 mmol/d)

+0

 

+2.9 g (127)

 

4 wk

 

Sacks et al., 2001

208 men and women, DASH diet; 204 men and women, control diet

DASH

2.3 (100) → 1.2 (50)

0.78 → 0.47

3.4 (150) → 2.3 (100)

1.1 → 0.78

Control

 

4 wk

2.3 (100) → 1.2 (50)

1.5 → 0.9

 

3.4 (150) →2.3 (100)

2.1 → 1.5



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