RecruitingNot ApplicableNCT05922462

Effects of Increased Greek Yogurt Consumption in Youth and Young Adult Athletes

Effects of Increased Greek Yogurt Consumption on Circulating Markers of Bone Metabolism and Inflammation in Youth and Young Adult Athletes


Sponsor

Brock University

Enrollment

40 participants

Start Date

Sep 1, 2023

Study Type

INTERVENTIONAL

Conditions

Summary

Physical activity and dairy consumption during growth and development are each known to improve peak bone mass in young adults. Peak bone mass, the maximum amount of bone a person will have in their lifetime, is typically reached in the early 20's in females and late 20's in males. However, evidence suggests that young people do not consume enough dairy to maximize their bone mass. The resulting effect in peak bone mass can be troublesome, particularly for athletes, such as volleyball players. This study aims to determine whether increased dairy consumption combined with training can have an additive effect on the physiology of young competitive athletes. Specifically, we will examine whether Greek yogurt consumption will lead to beneficial changes in bone metabolism and inflammation, in adolescent and young adult, male and female athletes, similar to those observed with whey protein supplementation. Many athletes choose exclusively protein supplementation and miss out on other nutrients vital for healthy growth and development. By examining the benefits of Greek yogurt across different athlete age groups and sexes, this work will help reshape the attitudes, beliefs, and behaviours surrounding diet of young athletes.


Eligibility

Min Age: 15 YearsMax Age: 22 Years

Inclusion Criteria1

  • Competitive youth or varsity athletes

Exclusion Criteria4

  • Presence of injury
  • Inability to participate in practices
  • Allergy to dairy foods/dairy protein or
  • Diagnosis with lactose intolerance

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Interventions

DIETARY_SUPPLEMENTGreek yogurt

For 16 weeks, athletes will consume 2 servings/day of 175 g GY (0% MF, flavoured, 130 calories, 17 g protein, 225 g calcium; e.g., OIKOS High Protein GY)

DIETARY_SUPPLEMENTWhey protein

For 16 weeks, athletes will consume 2 servings/day of 2/3 of a scoop of commercially available WP powder (flavoured, \~29 g, 120 calories, 19 g protein, 112.5 g calcium; e.g., PURE Whey Protein, Walmart)


Locations(1)

Brock University

St. Catharines, Ontario, Canada

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NCT05922462


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