Table 2.
The effect of vitamin D supplementation on diet-induced weight loss
| Authors (year) | Study population | Intervention | Study design | Measurements | Average weight change (kg) | |||
|---|---|---|---|---|---|---|---|---|
| Weight | 25(OH)D | BC | PTH | |||||
| Mason et al (2016) [64] Duggan et al (2015) [54] Mason et al (2014) [57] |
n=218 overweight or obese women (50–75y) serum 25(OH)D >10ng/mL but <32 ng/mL |
12 months intervention
|
RCT | ✓ | ✓ | ✓ | no significant difference between groups (p≥0.05) intervention: −7.1 (−8.7, −5.7) control: −7.4 (−8.1, −5.4) |
|
| Shapses et al (2013) [60] | n= 82 obese postmenopausal women (>50y) |
6 weeks
|
RCT | ✓ | ✓ | ✓ | no significant difference between groups (p≥0.05) supplement: −3.0 ± 1.2 placebo: −3.3 ± 1.2 |
|
| Zhu et al (2013) [62] | n=43 overweight or obesewomen (n=40) and men (n=3) (18–25y) |
12 weeks
|
RCT | ✓ | ✓ | no significant difference between groups (p≥0.05) supplement: −4.2 ± 0.4 no supplement: −3.5 ± 1.4 |
||
| Salehpour et al (2012) [59] | n=77 overweight or obese women (mean age 38 ± 8.1y) |
12 weeks
|
RCT | ✓ | ✓ | ✓ | no significant difference between groups (p≥0.05) supplement: 0.3 ± 1.5 placebo: 0.1 ± 1.7 |
|
| Rosenblum et al (2012) [58] | n=171 overweight or obese women (n=152) and men (n=19) (18–65y) |
16 weeks
|
RCT | ✓ | no significant difference between groups (p≥0.05) RJ control: −2.4 ± 3.5 RJ caD: −2.2 ± 3.0 LJ control: −2.3 ± 2.9 LJ caD: −2.9 ± 3.8 combined control: −2.4 ± 3.2 combined caD: −2.5 ± 3.3 |
|||
| Holecki et al (2008) [55] | n=44 obese women (45–55y) |
3 months
|
RCT | ✓ | ✓ | ✓ | no significant difference between groups (p≥0.05) supplement: − 7.0 ± 2.6 no supplement: − 8.4 ± 3.7 |
|
| Zittermann et al (2009) [63] | n=200 overweight women (n=124) and men (n=76)(18–70y) |
12 months weight reducing program
|
RCT | ✓ | ✓ | ✓ | no significant difference between groups (p≥0.05) supplement: −5.7 ± 5.8 placebo: −6.4 ± 5.6 |
|
| Sneve et al (2008) [61] | n=445 overweight or obese women (n=286) or men (n=159)(21–70y) |
|
RCT | ✓ | ✓ | ✓ | ✓ | no significant difference between groups (p≥0.05) DD: 0.1 ± 3.8 DP: 0.3 ± 3.2 DP: 0.5 ± 3.9 |
| Major et al (2007) [56] | n=63 overweight or obese women (mean age 43.6 ± 5.0y)daily calcium intake of <800 mg/d |
15 weeks weight loss intervention
|
RCT | ✓ | no significant difference between groups (p≥0.05) −3.5 (−4.0, −3.0) supplement: −4 ± 0.7 placebo: −3.0 ± 0.6 |
|||
Abbreviations: 25(OH)D, 25-hydroxyvitamin D; PTH, Parathyroid hormone; vitD, vitamin D; Ca, calcium; IU vitD, international Unit vitamin D (=0,025 μg vitD); BC, body composition; RCT, randomized controlled trial; y, year;