Effects of Red Bull® on the Effects of Training and Haemodynamic Parameters

University of Basel

Status: Completed

Conditions: Effects of; Food, Allergic

Treatments: Dietary Supplement: Red Bull

Study type: Interventional

Funder types: Other

Identifiers

NCT04963556

2017-01079

Details and patient eligibility

About

Background:

The consumption of Energy Drinks (EDs) can acutely lead to negative side effects, such as raised blood pressure and impaired endothelial function. Nevertheless, they are sold worldwide and are often consumed before physical activity (PA). In contrast to the blood pressure elevating effect of EDs, PA leads to a reduction of blood pressure. The effect of ED consumption on blood pressure response during and after endurance training is currently unresolved.

Methods:

A total of 23 participants (eleven men, twelve women) were evaluated in the intervention study with a blinded Cross-Over Design. They consumed on two different days either 355 ml Red Bull (RB) or 355 ml Placebo (Pla) in randomised order. The peripheral (PBP) and central blood pressure (CBP) were measured before, during and after a 30-minute aerobic endurance training, by the Schiller BR-102 plus PWA device.

Full description

Background:

The consumption of Energy Drinks (EDs) can acutely lead to negative side effects, such as raised blood pressure and impaired endothelial function. Nevertheless, they are sold worldwide and are often consumed before physical activity (PA). In contrast to the blood pressure elevating effect of EDs, PA leads to a reduction of blood pressure. The effect of ED consumption on blood pressure response during and after endurance training is currently unresolved.

Methods:

A total of 23 participants (eleven men, twelve women) were evaluated in the intervention study with a blinded Cross-Over Design. They consumed on two different days either 355 ml Red Bull (RB) or 355 ml Placebo (Pla) in randomised order. The peripheral (PBP) and central blood pressure (CBP) were measured before, during and after a 30-minute aerobic endurance training, by the Schiller BR-102 plus PWA device.

Enrollment: 23 patients

Sex: All

Ages: 18 to 40 years old

Volunteers: No Healthy Volunteers

Inclusion and exclusion criteria

Inclusion Criteria:

• No known cardiovascular diseases such as arterial hypertension and diabetes mellitus.
• No ophthalmological diseases such as glaucoma or macular degeneration.
• No regular medication
• No vasodilator abuse for 24 h before the respective intervention (e.g. smoking, use of stimulants, β-blockers).
• No pregnancy (anamnestic)

Trial design

Primary purpose: Basic Science

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Single Blind

---

23 participants in 2 patient groups, including a placebo group

Red Bull

Experimental group

Description:

Drinking of 355 ml Red Bull

Treatment:

Dietary Supplement: Red Bull

Placebo

Placebo Comparator group

Description:

Drinking of 355 ml sweetened water

Treatment:

Dietary Supplement: Red Bull