A recent study published on May 23 suggests that higher vitamin D intake might slow aging processes. This research indicates that vitamin D3 supplements may benefit cellular structures called telomeres.
• The study was published in the American Journal of Clinical Nutrition and involved the VITAL trial.
• Researchers from Mass General Brigham and the Medical College of Georgia discovered that vitamin D3 supplements help protect telomeres, which are crucial for chromosome stability.
• Co-author JoAnn Manson mentioned that VITAL is the first large-scale, long-term trial demonstrating vitamin D's protective effects on telomeres.
• The VITAL trial involved U. S. participants aged 55 and older (for females) and 50 and older (for males), who took 2,000 IU of vitamin D3 and 1 gram of omega-3 daily.
• The findings showed that vitamin D3 supplementation significantly reduced telomere shortening over four years, equating to nearly three years of aging prevention.
• Previous smaller studies had inconsistent results regarding vitamin D and omega-3 fatty acids' effects on telomeres.
• Omega-3 supplementation did not significantly affect telomere length but is beneficial for heart, brain, and joint health.
Researchers conclude that vitamin D supplementation may effectively counter biological aging, though more research is needed. Telomeres are important for cell longevity. Vitamin D comes from sunlight, fatty fish, egg yolks, orange juice, and fortified cereals, with around 20% of the U. S. population taking vitamin D supplements daily.
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