ICMR-NIN study shows Vitamin D3 outperforms D2 in supporting muscles and heart
Researchers at the ICMR-National Institute of Nutrition found that Vitamin D3 is more effective than Vitamin D2 in supporting muscle and heart function in animal studies. The findings suggest D3 may be the superior choice for supplementation and food fortification.
Why it matters
This study provides scientific evidence that could influence public health guidelines regarding vitamin supplementation and dietary fortification.
ICMR-National Institute of Nutrition (ICMR-NIN), Hyderabad, researchers have found that vitamin D 3 is more effective than vitamin D2 in maintaining and restoring muscle and heart function, at least in animal studies in their latest study.
Vitamin D is widely known for its role in maintaining bone health and regulating calcium levels. However, it also plays an important role in the functioning of skeletal muscles and the heart. The nutrient is available mainly in two forms: vitamin D2 and vitamin D3, both of which are commonly used in supplements and food fortification programmes.
Researchers conducted experiments on weaning male Sprague-Dawley rats to compare them. The animals were fed diets containing vitamin D2, vitamin D3, a combination of both, or a vitamin D-deficient diet. The team then evaluated body composition, muscle strength , muscle structure, energy metabolism and markers linked to heart function.
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