Effect of Using Whey Protein and Creatine Supplements on Muscular Strength in Weight-training Adult Males

A Randomized, Double-blind, Placebo-controlled, Three-arm Trial to Evaluate the Effect of Using Whey Protein and Creatine Supplements on Muscular Strength in Weight-training Adult Males

The purpose of this study was to evaluate the effect of combined whey protein and creatine supplement, as compared with whey protein supplement alone, on change in upper and lower body strength.

Inclusion Criteria:

• Recreationally active males
• Age 18 to 35 years
• BMI 19 to 29.9 kg/m2
• Weight training 3 to 4 times a week for at least 6 months before the trial

Exclusion Criteria:

• Participants with medical conditions including active heart disease, high blood pressure, renal or hepatic impairment type I or II diabetes, bipolar disease, pulmonary disease, thyroid disease, immune disorder, psychiatric disorder
• Dietary or herbal supplement used in the past 60 days to increase muscle mass
• Use of protein supplement in the past 7 days
• Use of thermogenic supplement or beverage in the past 7 days
• Use of Non-steroidal anti inflammatory drugs or corticosteroids in the past 7 days