Creatine Supplementation on Kidney Function in Resistance-trained Individuals

University of Sao Paulo

Status: Completed

Conditions: Healthy Persons

Treatments: Dietary Supplement: creatine; Dietary Supplement: placebo

Study type: Interventional

Funder types: Other

Identifiers

NCT01817673

Creatine & kidney

Details and patient eligibility

About

There is a claim that creatine supplementation might affect kidney function, especially in those consuming a high-protein diet. The aim of this study was to investigate the effects of creatine supplementation on kidney function in resistance-trained individuals ingesting a high-protein diet.

Enrollment: 46 patients

Sex: Male

Ages: 18 to 30 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• participation in recreational resistance training
• consumption of a high-protein diet (≥ 1.2 g/Kg/d)

Exclusion criteria

• vegetarian diet
• use of creatine supplements in the past 6 months
• chronic kidney disease
• use of anabolic steroids.

Trial design

46 participants in 2 patient groups, including a placebo group

creatine

Experimental group

Description:

20 g/d for 5 d followed by 5 g/d throughout the trial

Treatment:

Dietary Supplement: creatine

placebo (dextrose)

Placebo Comparator group

Description:

20 g/d for 5 d followed by 5 g/d throughout the trial

Treatment:

Dietary Supplement: placebo