Vitamin D2, Muscle Damage, NASCAR Pitcrew

Completed · Not applicable · Has a placebo group

Conditions studied: Muscle Function, Muscle Soreness, Vitamin D Status

In brief

Hypothesis: Six weeks of supplementation with vitamin D (4000 IU/day) using Dole's Vitamin D Portobello Mushroom Powder will increase winter serum vitamin D levels, and improve muscle function and strength, and innate immunity (granulocyte/monocyte phagocytosis and oxidative burst activity), and attenuate exercise-induced muscle damage and DOMS.

Key facts

Study ID

NCT01825616

Run by

Appalachian State University

People needed

33

Starts

2012-10-01

Expected to finish

2013-01-01

Last updated by the study team

2013-04-09

Who can join

Age: 20 and older, up to 40. Sex: male. Healthy volunteers: accepted.

You may qualify if…

• NASCAR pit crew members
• Willing to avoid food and supplement sources (during the 6-week supplementation period) that are high in vitamin D (specifically canned fish, cod liver oil, salmon, and supplements with high-dose vitamin D).
• Agree to train normally.
• Avoid the use of large dose vitamin/mineral supplements (above 100% recommended dietary allowances), and medications known to affect immune function.
• Avoid the use of tanning beds.
• Willing to adhere to all aspects of the study design.

You may not qualify if…

• Not allergic to mushrooms.
• Do not have a heart problem or have been told by your doctor not to engage in vigorous exercise.

Where it is running

• ASU Human Performance Laboratory, North Carolina Research Campus — Kannapolis, North Carolina, United States
• ASU-NCRC Human Performance Laboratory — Kannapolis, North Carolina, United States
• ASU-NCRC Human Performance Lab — Kannapolis, North Carolina, United States

Full record on ClinicalTrials.gov

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