描述
Serum 25-hydroxyvitamin D levels at baseline and after supplementation, showing that the vitamin D3 group achieved sufficient status while the placebo group remained deficient.
Figure 2
ChartSource Paper
Vitamin D₃ Supplementation Reduces the Symptoms of Upper Respiratory Tract Infection during Winter Training in Vitamin D-Insufficient Taekwondo Athletes: A …International journal of environmental research and public health (2018)
PMID: 30223447
Cite This Figure
![Figure 2: Serum 25-hydroxyvitamin D levels at baseline and after supplementation, showing that the vitamin D3 group achieved sufficient status while the placebo group remained deficient.]() > Source: Hyun Chul Jung et al. "Vitamin D₃ Supplementation Reduces the Symptoms of Upper Respiratory Tract Infec." *International journal of environmental research and public health*, 2018. PMID: [30223447](https://pubmed.ncbi.nlm.nih.gov/30223447/)
<figure> <img src="" alt="Serum 25-hydroxyvitamin D levels at baseline and after supplementation, showing that the vitamin D3 group achieved sufficient status while the placebo group remained deficient." /> <figcaption>Figure 2. Serum 25-hydroxyvitamin D levels at baseline and after supplementation, showing that the vitamin D3 group achieved sufficient status while the placebo group remained deficient.<br> Source: Hyun Chul Jung et al. "Vitamin D₃ Supplementation Reduces the Symptoms of Upper Respiratory Tract Infec." <em>International journal of environmental research and public health</em>, 2018. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/30223447/">30223447</a></figcaption> </figure>