Vitamin D Supplementation in Physical Performance

National Nutrition and Food Technology Institute

Status: Completed

Conditions: Healthy; Athletes

Treatments: Dietary Supplement: vitamin D supplement; Other: Placebo

Study type: Interventional

Funder types: Other

Identifiers

NCT03325686

054-575

Details and patient eligibility

About

This study was performed to evaluate the efficacy of weekly vitamin D supplementation on athletic performance in Iranian athletes

Full description

Seventy subjects were enrolled in the study. The athletes were randomly divided into two groups: vitamin D supplement (D; received 50,000 IU of vitamin D supplement weekly) and control (P, received a placebo weekly). Duration of the study was eight weeks. Anthropometric, dietary, athletic performance and biochemical evaluations were performed for all subjects in the beginning and in the end of the intervention period.

Enrollment: 70 patients

Sex: All

Ages: 18 to 30 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• healthy
• professional athletes

Exclusion criteria

• receiving vitamin D supplement in past 3 months

Trial design

Primary purpose: Prevention

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Triple Blind

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70 participants in 2 patient groups, including a placebo group

vitamin D supplement

Experimental group

Description:

D

Treatment:

Dietary Supplement: vitamin D supplement

control

Placebo Comparator group

Description:

P

Treatment:

Other: Placebo