The COVID-19 pandemic is having major economic and personal consequences for
collegiate and professional sports. Sporting events have been canceled or postponed, and …

Background Vitamin D is thought to be a powerful modulator of skeletal muscle physiology.
However, available data on the effects of vitamin D supplementation on muscle function in …

ABSTRACT Background The Army Combat Fitness Test (ACFT), an updated and newly
developed metric to assess combat readiness, may require specialized exercise and …

Purpose Observational studies and randomized controlled trials (RCTs) have shown an
association between vitamin D levels and prostate cancer progression. However, evidence …

Background The impact of vitamin D on musculoskeletal health is well-established, although
its influence on physical performance is unclear. Therefore, we conducted this study to …

Background: Deficiency in vitamin D has been shown to increase the risk of injury. Purpose:
To synthesize current placebo-controlled randomized trials investigating the effect of vitamin …

OBJECTIVE It is well known that vitamin D deficiency can lead to various health problems.
However, it is not common knowledge among athletes and doctors that vitamin D deficiency …

Background: Nutritional supplements are widely used by swimmers, but the effectiveness of
various supplements and the identification of the most effective intervention require further …

ABSTRACT ROCKWELL, MS, SB KOSTELNIK, RP MCMILLAN, M. LANCASTER, DE
LARSON-MEYER, and MW HULVER. An Association between Bioavailable 25 …

Whether vitamin D deficiency causes atrial fibrillation and ischemic stroke of young onset
was unknown. We derived a Genetic Risk Score for vitamin D from 3,922 subjects in Hong …