Effect of Whey Protein Supplementation and Resistance Exercise on Muscle Parameters in Older Adults

Efficacy of Whey Protein Supplementation on Resistance Exercise-Induced Changes in Muscle Strength, Fat Free Mass, and Function in Mobility-Limited Older Adults

This research study is looking at the effects of a whey protein nutritional supplement on changes in muscle mass, strength and physical function in response to a 6 month program of strength training exercise.

Inclusion Criteria:

• Male and Females 70-85 yrs
• Community dwelling
• Short Physical Performance Battery score < 10
• BMI = 21-32.5

Exclusion Criteria:

• Acute or terminal illness
• Mini Mental State Exam < 23
• Myocardial infarction in previous 6 months, symptomatic coronary artery disease, or congestive heart failure
• Upper or lower extremity fracture in previous 6 months
• Uncontrolled hypertension (>150/90 mm Hg).
• Neuromuscular diseases and drugs which affect neuromuscular function.
• Hormone replacement therapy
• eGFR <30 mL/min/1.73m2
• Types I and II Diabetes Mellitus
• Dietary protein intake < 0.8 g.kg-1.day-1
• Disorders of nutrient absorption
• Milk, or whey allergy
• Sulfa drugs and allergy to PABA-containing sunscreens