Optimizing Meal and Snack Timing to Promote Health

Optimizing Meal and Snack Timing to Promote Health

This study will be conducted using standardized techniques to collect blood samples via an acute, randomized, cross-over design. Subjects will be provided all of their meals the day prior to testing and participate in 3 testing days with a minimum of 1 week break between testing days and a maximum time commitment of 7 weeks. A trained phlebotomist will place a catheter and collect blood samples from an antecubital vein using sterile techniques.

Inclusion Criteria:

25-39 years old

• BMI between 22-37 kg/m2
• Weight stable (± 4.5 kg) for the previous 3 months
• Not currently (or within the past 6 months) following a vigorous exercise regimen or weight loss program
• No acute illness
• Not smoking
• Not diabetic
• Not pregnant or planning pregnancy in the next 3 months
• Lactose tolerant
• Willing to limit purposeful activity for 48 hours prior to each testing day
• Willing to consume study foods and beverages.

Exclusion Criteria:

• <25 or >39 years old, BMI <22 or >37 kg/m2
• Currently (or within the past 6 months) following a vigorous exercise regimen greater than -3 - 45 minute exercise sessions per week
• Currently following a weight loss program where subject has lost greater than 4.5 kg
• Acute illness
• Smoking
• Diabetic
• Pregnant or planning pregnancy in the next 3 months
• Lactose intolerant
• Unwilling to consume study foods and beverages
• Peri and post-menopausal women.