In tests on 63 overweight or obese women assigned to a weight-loss program, scientists discovered that those who took IU of vitamin D and 1, mg of calcium in supplement form daily during their week diet had greater improvements in cholesterol levels compared to those given a placebo for the same time period.
Be aware that consuming an excessive amount of vitamin D may cause vomiting, loss of bone density, and other problems. Increasing vitamin D intake could support weight loss efforts while enhancing overall health. In order to lose weight , it's important to combine vitamin D supplementation with a healthy diet and regular exercise program. If you're considering vitamin D supplements, talk with your primary care provider first. Self-treating a condition and avoiding or delaying standard care may have serious consequences.
Get one simple hack every day to make your life healthier. Vitamin D3 supplementation during weight loss: A double-blind randomized controlled trial. Am J Clin Nutr. Vitamin D fact sheet for health professionals. Updated March 24, Effect of latitude on vitamin D levels.
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J Am Osteopath Assoc. Dairy calcium intake, serum vitamin D, and successful weight loss. Calcium plus vitamin D supplementation and the risk of postmenopausal weight gain.
Is vitamin D deficiency common?
Arch Intern Med. Vitamin D fact sheet for consumers. Supplement Safety Be aware that consuming an excessive amount of vitamin D may cause vomiting, loss of bone density, and other problems. Was this page helpful? Thanks for your feedback!
Can Taking a Vitamin D Supplement Help You Lose Weight? | Everyday Health
Several studies have investigated the effect of milk fortified with vitamin D and calcium on weight, although primarily looking at other outcomes and not in combination with a weight loss component. Another study with fortified low-fat dairy products found no differences in weight change after 12 months of three dairy servings in combination with a dietary and lifestyle intervention compared with calcium supplementation and a control group.
In the majority of these studies the participants were vitamin D sufficient at baseline 25—27 that, along with the low dose of vitamin D in the fortified products, could also have accounted for a modest increase in 25OHD levels. In some studies the products led to differences in energy intake that could have influenced subsequent weight loss and the products fortified with vitamin D and calcium. The dairy studies did not include a nonfortified dairy group, which again makes it difficult to distinguish between vitamin D and calcium, and also the impact of dairy, which may also affect adiposity.
Different seasons are known to change 25OHD levels, with increases over summer months and decreases during winter. During a week lifestyle intervention when vitamin D status improved due to seasonal change winter to summer cohort there were greater improvements in waist circumference compared to a cohort with reduced vitamin D status summer to winter cohort — While BMI was not reported, the average weight of the participants was approximately 68 kg and suggests they were not overweight so perhaps less likely to lose weight.
Many studies have reported lower 25OHD levels in overweight and obese populations, so it is possible they may increase with weight loss, in particular through the loss of adipose tissue, which would increase its bioavailability. Recently, Wamberg et al. This suggests, along with the relationship between weight loss and changes in 25OHD, that the increases in 25OHD may be due to the weight loss.
How Vitamin D Helps Weight Loss
A longitudinal study in obese women following Tzotzas et al. There was a trend for a relationship between weight loss and change in 25OHD. The diet contained an average IU per day, which is below the recommended adequate intake, suggesting it did not lead to the increase in 25OHD. These results suggest that there might be a threshold of weight loss or time needed to see a significant increase in 25OHD levels.
By contrast, another study showed the opposite picture: Riedt and colleagues 36 found no change in 25OHD levels following 7. It is likely that seasonal changes affected these findings, with the participants that were recruited in early fall having higher baseline values and smaller changes over 6 months compared with those recruited in late winter baseline There have also been studies that did not see any changes in 25OHD after weight loss.
Hinton et al. The researchers found a significant season by time interaction, indicating that the change in 25OHD levels was dependent on season during enrolment and suggested seasonal variation may have had a greater impact on 25OHD than changes in weight or fat mass. Rock et al. Again, while they did not report an overall change in 25OHD levels for the entire study, they did find changes in 25OHD levels were mildly inversely correlated with changes in weight, and there was a significant linear trend between the change in 25OHD levels and weight change categories, such that those with greater weight loss had greater increases in 25OHD levels.
As mentioned above, some studies have also investigated the relationship between the changes in 25OHD levels and measures of body composition. The strength of these relationships ranges from 0. Other studies, although not weight-loss studies, also found weak relationships between changes in fat mass and 25OHD levels. It appears that most studies either observed an increase in 25OHD levels, a pattern where there were greater increases in those that lost more weight or a relationship between the degree of weight loss and increases in 25OHD levels.
It may be possible that a threshold of weight loss is needed to see an increase in 25OHD levels. Many of these studies were not primarily designed to measure the effect of weight loss on 25OHD levels so did not take season or prior use or changes in vitamin D supplementation into consideration in the study design, which may have greatly influenced some of the findings.
It has been suggested that participants with better vitamin D status at the start of a weight-loss program may be more likely to experience successful weight loss. Although the sample size was small and the intervention was short, the resultant weight and fat loss was significantly greater in the group with higher 25OHD levels and suggests that those with better vitamin D status respond more positively to energy restriction and lose more fat and this could lead to even greater improvements seen over a longer time. Shahar and colleagues 40 followed men and women undergoing weight loss via three different diets and found that baseline 25OHD levels were not associated with weight loss after 2 years.
There were two other weight-loss studies that also showed no relationship between baseline 25OHD levels and subsequent weight loss. Conclusions To date there has been inconsistent findings when looking at the effects of vitamin D supplementation on weight loss. Some studies have suggested that vitamin D status is associated with weight loss success, with supplementation resulting in weight loss, or higher baseline 25OHD or greater increases in 25OHD levels predicting better weight loss, although this has not been shown in all studies.
Studies have also shown variations in response to vitamin D supplementation, with inter-individual differences in the effectiveness of supplementation 41 and responses to vitamin D supplementation lower in obese participants compared with lean participants. Many studies were not specifically designed to analyze the effect of vitamin D supplementation on weight loss or if 25OHD levels change with weight loss so did not take season or prior use of or changes in vitamin D supplementation into consideration in the study design, which may have greatly impacted some of the findings.
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Some studies also showed improvements in other body composition measures besides weight, which suggests the need for a range of body composition assessment. These inconsistent findings and limitations make it difficult to draw conclusions on the benefit of vitamin D and 25OHD levels for weight loss. Future well-designed studies primarily aimed at investigating the effect of vitamin D supplementation and statuses on weight loss and changes in body composition are needed. E: rebecca. European Endocrinology.
The prevalence of obesity is rapidly increasing across the world. In India, about The prevalence of obesity has increased exponentially across the world, nearly doubling in the span of a decade.