TY - JOUR
T1 - Evaluation of a Vitamin D Screening and Treatment Protocol Using a Seasonal Calculator in Athletes
AU - Hollabaugh, William L.
AU - Meirick, Paul J.
AU - Matarazzo, Chris P.
AU - Burston, Alda M.
AU - Camery, Megan E.
AU - Ferrill-Moseley, Kimberly A.
AU - Bley, Jordan A.
AU - Pennings, Jacquelyn S.
AU - Fitch, Robert W.
AU - Tanner, S. Bobo
AU - Karpinos, Ashley R.
N1 - Publisher Copyright:
© Lippincott Williams & Wilkins.
PY - 2022/2/1
Y1 - 2022/2/1
N2 - Vitamin D is important in musculoskeletal health, and low serum vitamin D concentration is common in athletes. This study implemented a vitamin D screening and supplementation protocol in a cohort of National Collegiate Athletic Association Division I athletes using summer 25-hydroxyvitamin D concentration and a seasonal variation calculator to achieve sufficient vitamin D concentration year-round. After implementation of the Vitamin D Protocol, there was a nonsignificant difference in athletes with sufficient winter vitamin D concentrations (72.6%) compared with summer vitamin D concentrations (66.1%) (P = 0.40). The Seasonal Variation Calculator predicted winter vitamin D concentrations (8 ± 18 ng·mL-1) higher than actual winter vitamin D concentrations (P < 0.01). While most athletes (78%) believed vitamin D was important for athletic performance, athlete compliance to the Vitamin D Protocol was inconsistent. In the future, adjustment of vitamin D screening and supplementation protocols may help athletes achieve sufficient vitamin D status year-round.
AB - Vitamin D is important in musculoskeletal health, and low serum vitamin D concentration is common in athletes. This study implemented a vitamin D screening and supplementation protocol in a cohort of National Collegiate Athletic Association Division I athletes using summer 25-hydroxyvitamin D concentration and a seasonal variation calculator to achieve sufficient vitamin D concentration year-round. After implementation of the Vitamin D Protocol, there was a nonsignificant difference in athletes with sufficient winter vitamin D concentrations (72.6%) compared with summer vitamin D concentrations (66.1%) (P = 0.40). The Seasonal Variation Calculator predicted winter vitamin D concentrations (8 ± 18 ng·mL-1) higher than actual winter vitamin D concentrations (P < 0.01). While most athletes (78%) believed vitamin D was important for athletic performance, athlete compliance to the Vitamin D Protocol was inconsistent. In the future, adjustment of vitamin D screening and supplementation protocols may help athletes achieve sufficient vitamin D status year-round.
UR - http://www.scopus.com/inward/record.url?scp=85124113842&partnerID=8YFLogxK
U2 - 10.1249/JSR.0000000000000934
DO - 10.1249/JSR.0000000000000934
M3 - Article
C2 - 35120051
AN - SCOPUS:85124113842
SN - 1537-890X
VL - 21
SP - 53
EP - 62
JO - Current Sports Medicine Reports
JF - Current Sports Medicine Reports
IS - 2
ER -