Effect of the Beetroot Juice in Portuguese Swimmers

Universidad Francisco de Vitoria

Status: Completed

Conditions: Ergogenics

Treatments: Combination Product: Placebo; Dietary Supplement: Beetroot Juice

Study type: Interventional

Funder types: Other

Identifiers

NCT05657093

79/2022

Details and patient eligibility

About

Objective: To investigate whether an acute intake of beet juice (BJ) improved the factors of total and split times (performance), stroke frequency and CMJ (biomechanics), lactate and HR (physiology) and RPE-TQR (psychophysiological) in a repeated (performance), stroke frequency and CMJ (biomechanics), lactate and HR (physiology) and RPE-TQR (psychophysiological) in a repeated maximal speed swimming effort in elite swimmers.

Methods: A total of 18 elite swimmers participated in this randomized, double-blind study. In 2 different trials, swimmers ingested a Beet-It injection (70 ml placebo (PL) or a Beet-It injection of 70 ml beet juice (BJ)) 3 hours before undergoing a 2x6x100 m intermittent maximal speed crawl performance test.

Enrollment: 18 patients

Sex: All

Ages: 18 to 25 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

1. • national and international level swimmers
2. • healthy swimmers
3. • no breakfast
4. • 48 hours with restricted diet of: other sports supplements and beetroot-rich foods

Exclusion criteria

1. -be on medication
2. • having had breakfast
3. • have brushed your teeth

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Triple Blind

---

18 participants in 2 patient groups, including a placebo group

Beetroot juice

Active Comparator group

Description:

The swimmers ingested a shot of Beet-It 70 ml beetroot juice (BJ)) 3 hours before undergoing a 2x6x100m crawl intermittent maximal speed performance test.

Treatment:

Combination Product: Placebo

Dietary Supplement: Beetroot Juice

Placebo

Placebo Comparator group

Description:

The swimmers ingested a shot of Beet-It (70 ml placebo (PL)) 3 hours before undergoing a 2x6x100m crawl intermittent maximal speed performance test.

Treatment:

Combination Product: Placebo

Dietary Supplement: Beetroot Juice