Weight Management

Vitamin D Deficiency and Weight Gain

Whether it's due to health reasons or lifestyle, studies have shown that you're more likely to be Vitamin D deficient if you're overweight and more likely to become overweight if Vitamin D deficient.

As we grow older the body will on average gain around 1 to 2 pounds every year. This is mainly down to our metabolism slowing down and hormonal and muscular changes, all of which means we require fewer calories per day.


Studies show an association between Vitamin D levels and fat mass Find out more. Older women with low levels of Vitamin D put on more weight than those with higher levels of Vitamin D Find out more and people who are overweight are statistically more likely to have low levels of Vitamin D. Studies strongly suggest low Vitamin D levels may predispose the body to fat accumulation (Find out more.

A further study in healthy overweight and obese women shows supplementation with Vitamin D produced a statistically significant decrease in body fat mass in the Vitamin D group compared to the placebo group Find out more.


Men who are obese are more likely to have low testosterone and men with very low testosterone are more likely to become obese Find out more. Testosterone levels in men have been declining for decades and whilst there's not just one single cause certainly one major factor is the increased rates of obesity which suppresses testosterone Find out more. These studies have shown that 68% of men in the UK are considered overweight Find out more. Vitamin D however is a natural easy way to improve testosterone levels Find out more.


Along with people with a higher body fat mass, people who are older, darker skinned and/or vegan are also more prone to being Vitamin D deficient and therefore more susceptible to serious illness, disease and injury. Public Health England recommends a reference nutrient intake (RNI) of 10 micrograms of Vitamin D per day throughout the year for everyone in the general population aged 4 years and older Find out more.

It is estimated that around 20% of adults and 16% of children are Vitamin D deficient Find out more. Over 26% of all adults and 20% of children in the UK are classed as obese Find out more. Research suggests that across the board, low levels of Vitamin D appears to make people prone to increased weight gain, increased fat levels, reduced testosterone, increase chances of fatigue, depression, serious illness and disease and injury.

Most people can get enough micronutrients and vitamins through their diet, the exception being Vitamin D. The main source of Vitamin D is sunshine however few foods contain enough of this essential vitamin. This combined with the lack of sun makes it hard for people to supplement Vitamin D for themselves. That is why we at Roo are trying to make it easier to incorporate this into your daily life.

Sometimes it only takes a small change to make a big difference. Not just for you now but the future you.

Drink a Roo, it's good for you.

Enjoy the sun-kissed benefits of a can of Roo TODAY! View our stockists.