16 Jul 2019

Vitamin D reduces risk to fat gain in old age

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Vitamin D reduces risk to fat gain in old age

With advanced age comes the potential for a loss in strength and muscle mass, with extreme cases yielding a significant increase in fat mass — known as sarcopenic obesity — the result of insulin resistance.

All of these age-associated potential factors add to decreasing a person’s mobility, while increasing disability and frailty.

Research has demonstrated that vitamin D receptors act to increase muscle protein creation in postmenopausal women. However, Vitamin D deficiency, is very common among seniors

As a result, researchers Switzerland and Tufts University in Boston chose to investigate the association between serum Vitamin D concentration and fat mass, muscle mass, as well as, insulin resistance in 271 seniors age 60 and over, relatively healthy, community-dwelling men and women .

The study found that a higher Vitamin D status was associated with lower body fat mass, higher insulin sensitivity, and better beta cell function, independent of BMI (body mass index) and other risk factors.

Vitamin D is found in food sources such as fatty fish (tuna, mackerel, salmon), vitamin D fortified foods like dairy products, orange juice, soy milk, and cereals, beef liver, cheese, egg yokes and dietary supplements.

You also pick up vitamin D from skin exposure to the sun — typically 20 to 30 minutes.