![Epidermal pathways of vitamin D3 activation to produce 1,25(OH) 2 D3... | Download Scientific Diagram Epidermal pathways of vitamin D3 activation to produce 1,25(OH) 2 D3... | Download Scientific Diagram](https://www.researchgate.net/publication/328158506/figure/fig1/AS:679641853460485@1539050653904/Epidermal-pathways-of-vitamin-D3-activation-to-produce-1-25OH-2-D3-and-20-23OH-2-D3.png)
Epidermal pathways of vitamin D3 activation to produce 1,25(OH) 2 D3... | Download Scientific Diagram
![3-epi-25-hydroxy Vitamin D3 (3-epi-25(OH)D3, 3-epi-25-hydroxy Cholecalciferol, CAS Number: 73809-05-9) | Cayman Chemical 3-epi-25-hydroxy Vitamin D3 (3-epi-25(OH)D3, 3-epi-25-hydroxy Cholecalciferol, CAS Number: 73809-05-9) | Cayman Chemical](https://www.caymanchem.com/images/catalog/screen/34200.png)
3-epi-25-hydroxy Vitamin D3 (3-epi-25(OH)D3, 3-epi-25-hydroxy Cholecalciferol, CAS Number: 73809-05-9) | Cayman Chemical
![An LC-MS/MS Clinical Research Method for the Measurement of 25-OH Vitamin D2 and D3 Metabolites | Waters An LC-MS/MS Clinical Research Method for the Measurement of 25-OH Vitamin D2 and D3 Metabolites | Waters](https://www.waters.com/content/dam/waters/en/app-notes/2015/720005345/720005345en-f1.jpg.82.1024.resize/img.jpg)
An LC-MS/MS Clinical Research Method for the Measurement of 25-OH Vitamin D2 and D3 Metabolites | Waters
![25-Hydroxy vitamin D3 and 25-hydroxy vitamin D2 molecular structure... | Download Scientific Diagram 25-Hydroxy vitamin D3 and 25-hydroxy vitamin D2 molecular structure... | Download Scientific Diagram](https://www.researchgate.net/publication/355840882/figure/fig1/AS:1085660811268115@1635853116115/25-Hydroxy-vitamin-D3-and-25-hydroxy-vitamin-D2-molecular-structure.jpg)
25-Hydroxy vitamin D3 and 25-hydroxy vitamin D2 molecular structure... | Download Scientific Diagram
![1,25-Dihydroxyvitamin D3-13C3 (25,26,27-13C3) solution 5 μg/mL in ethanol, ampule of 1 mL, certified reference material, Cerilliant® | Sigma-Aldrich 1,25-Dihydroxyvitamin D3-13C3 (25,26,27-13C3) solution 5 μg/mL in ethanol, ampule of 1 mL, certified reference material, Cerilliant® | Sigma-Aldrich](https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/structures/114/241/aa2ff1ef-0df7-4630-b9e9-91814eec3b8d/640/aa2ff1ef-0df7-4630-b9e9-91814eec3b8d.png)
1,25-Dihydroxyvitamin D3-13C3 (25,26,27-13C3) solution 5 μg/mL in ethanol, ampule of 1 mL, certified reference material, Cerilliant® | Sigma-Aldrich
![Animals | Free Full-Text | A Novel UHPLC–MS/MS Method for the Measurement of 25-Hydroxyvitamin D3 in Canine Serum and Its Application to Healthy Dogs Animals | Free Full-Text | A Novel UHPLC–MS/MS Method for the Measurement of 25-Hydroxyvitamin D3 in Canine Serum and Its Application to Healthy Dogs](https://www.mdpi.com/animals/animals-14-00062/article_deploy/html/images/animals-14-00062-g001.png)
Animals | Free Full-Text | A Novel UHPLC–MS/MS Method for the Measurement of 25-Hydroxyvitamin D3 in Canine Serum and Its Application to Healthy Dogs
![Figure 1 from The C-3 epimer of 25-hydroxyvitamin D(3) is present in adult serum. | Semantic Scholar Figure 1 from The C-3 epimer of 25-hydroxyvitamin D(3) is present in adult serum. | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/613ee7841f1e67176f860f47c80c0d61a321c480/2-Figure1-1.png)
Figure 1 from The C-3 epimer of 25-hydroxyvitamin D(3) is present in adult serum. | Semantic Scholar
![Ratio of 25(OH)D-to-24,25(OH)2D: A new test to confirm 24-hydroxylase (CYP24A1) deficiency as the cause of hypercalcemia - Mayo Clinic Ratio of 25(OH)D-to-24,25(OH)2D: A new test to confirm 24-hydroxylase (CYP24A1) deficiency as the cause of hypercalcemia - Mayo Clinic](https://www.mayoclinic.org/-/media/kcms/gbs/medical-professionals/images/2018/07/23/16/43/vitamind_fig1_767px.jpg)
Ratio of 25(OH)D-to-24,25(OH)2D: A new test to confirm 24-hydroxylase (CYP24A1) deficiency as the cause of hypercalcemia - Mayo Clinic
![COVID-19 mortality risk correlates inversely with vitamin D3 status, and a mortality rate close to zero could theoretically be achieved at 50 ng/ml 25( OH)D3: Results of a systematic review and meta-analysis COVID-19 mortality risk correlates inversely with vitamin D3 status, and a mortality rate close to zero could theoretically be achieved at 50 ng/ml 25( OH)D3: Results of a systematic review and meta-analysis](https://www.medrxiv.org/content/medrxiv/early/2021/09/25/2021.09.22.21263977/F1.large.jpg)
COVID-19 mortality risk correlates inversely with vitamin D3 status, and a mortality rate close to zero could theoretically be achieved at 50 ng/ml 25( OH)D3: Results of a systematic review and meta-analysis
![Using gas chromatography and mass spectrometry to determine 25-hydroxyvitamin D levels for clinical assessment of vitamin D deficiency - ScienceDirect Using gas chromatography and mass spectrometry to determine 25-hydroxyvitamin D levels for clinical assessment of vitamin D deficiency - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S1021949818301844-gr1.jpg)
Using gas chromatography and mass spectrometry to determine 25-hydroxyvitamin D levels for clinical assessment of vitamin D deficiency - ScienceDirect
![Metabolism of 1α,25(OH)2D3. Vitamin D3 is either obtained from dietary... | Download Scientific Diagram Metabolism of 1α,25(OH)2D3. Vitamin D3 is either obtained from dietary... | Download Scientific Diagram](https://www.researchgate.net/publication/277885959/figure/fig2/AS:667786443517953@1536224103034/Metabolism-of-1a-25OH2D3-Vitamin-D3-is-either-obtained-from-dietary-sources-or-UV.png)
Metabolism of 1α,25(OH)2D3. Vitamin D3 is either obtained from dietary... | Download Scientific Diagram
![1α,20S-Dihydroxyvitamin D3 Interacts with Vitamin D Receptor: Crystal Structure and Route of Chemical Synthesis | Scientific Reports 1α,20S-Dihydroxyvitamin D3 Interacts with Vitamin D Receptor: Crystal Structure and Route of Chemical Synthesis | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41598-017-10917-7/MediaObjects/41598_2017_10917_Fig1_HTML.jpg)
1α,20S-Dihydroxyvitamin D3 Interacts with Vitamin D Receptor: Crystal Structure and Route of Chemical Synthesis | Scientific Reports
![IJMS | Free Full-Text | The Potential Use of Vitamin D3 and Phytochemicals for Their Anti-Ageing Effects IJMS | Free Full-Text | The Potential Use of Vitamin D3 and Phytochemicals for Their Anti-Ageing Effects](https://www.mdpi.com/ijms/ijms-25-02125/article_deploy/html/images/ijms-25-02125-g001.png)