| 1,25(OH)2D | 1,25-dihydroxyvitamin D |
| 25(OH)D | 25-hydroxy vitamin D |
| 7-DHC | 7-dehydrocholesterol |
| CTR | Calcitriol receptor (synonymous with vitamin D receptor; VDR) |
| MR | Mendelian randomization |
| PTH | Parathyroid hormone |
| RAS | Renin–angiotensin system |
| RCT | Randomized controlled clinical trial |
| RDA | Recommended dietary allowance |
| RXR | Retinoid X receptor |
| UVB | Ultraviolet B |
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