The Effects of Egg White Powder Supplementation on Emotional State, Body Composition, Muscle Strength, and Sleep Quality: A Randomized Placebo-Controlled Trial
Keywords:
Egg white protein, Emotional status, Body composition, Body proportions, Sleep qualityAbstract
At present, people are increasingly paying attention to health care and choosing protein-based products, particularly egg white protein, which is easily accessible; however, evidence regarding the health effects of consuming egg white powder protein remains limited. Therefore, this study aimed to compare the effects of supplementation with egg white powder providing 12 and 24 grams of protein on changes in body composition and proportions, mood status, sleep quality, and quality of life. This study was designed as a randomized controlled trial initially enrolling 73 participants aged 20–50 years who had no malnutrition or severe obesity and were not using medications affecting mood or sleep. Participants were divided into three groups: 1) a control group (icing sugar) (n = 23), 2) a 12-g egg white protein group (n = 26), and 3) a 24-g egg white protein group (n = 24), and consumed the assigned supplement once daily by mixing it with 200–400 mL of room-temperature water before the first meal of the day for four weeks. The results showed that 69 participants completed the study. Egg white protein supplementation significantly increased muscle mass (p 0.050) and metabolic rate; (p 0.019) additionally, waist and hip circumferences (p 0.028 and 0.035 respectively) as well as blood pressure (p 0.018) significantly decreased. Moreover, anxiety (p 0.017) and stress levels (p 0.010) were significantly reduced, and sleep quality (p 0.006) was significantly improved compared with the control group.
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