The Power of Protein: Separating Hype from Reality

The Power of Protein: Separating Hype from Reality May 6, 2014 ©2014 Dairy Council of California and Society for Nutrition Education and Behavior ...
Author: Stewart Rice
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The Power of Protein: Separating Hype from Reality

May 6, 2014

©2014 Dairy Council of California and Society for Nutrition Education and Behavior

Objectives 1.

Outline the multiple health benefits of protein, beyond muscle building (e.g. satiety/weight mgmt., healthy aging, blood sugar control, etc.)

2.

Compare the IOM’s recommended range of protein intake (10-35cal %) to the RDA minimum intake (0.8g/kg/day) and identify specific demographic groups that may benefit from the higher levels.

3.

Design diets that include evenly-distributed protein levels throughout the day from a variety of sources, starting with breakfast.

4.

Identify foods that are high-quality sources of protein.

©2014 Dairy Council of California and Society for Nutrition Education and Behavior

The Power of Protein: Separating Hype from Reality

Heather Leidy, PhD Nutrition and Exercise Physiology University of Missouri

Nancy R. Rodriguez, PhD, RD, FACSM Kinesiology and Allied Health University of Connecticut, Storrs

©2014 Dairy Council of California and Society for Nutrition Education and Behavior

Latest Research Exploring the Role of Protein Quantity & Timing of Consumption on Health Outcomes

Heather Leidy, PhD Nutrition and Exercise Physiology University of Missouri

©2014 Dairy Council of California and Society for Nutrition Education and Behavior

AFFILIATION/FINANCIAL INTERESTS

CORPORATE ORGANIZATION

Grants/Research Support:

The Beef Checkoff Egg Nutrition Center Solae, LLC (DuPont Nutrition & Health)

Scientific Advisory Board/Consultant:

Hillshire Brands

Speakers Bureau:

National Cattlemen’s Beef Association National Dairy Council

Stock Shareholder: Other Financial or Material Support/Honorarium: ©2014 Dairy Council of California and Society for Nutrition Education and Behavior

Protein Benefits: Assembling the Pieces Benefits Reduced Intake

Fat Loss

Increased Dietary Protein

Weight Loss

Lean Mass Retention

©2014 Dairy Council of California and Society for Nutrition Education and Behavior



Weight Management



Healthy Living



Sarcopenia



Type 2 Diabetes



Obesity (across the lifespan)

High Protein, Energy Restriction Diets Meta-analysis •

24 trials in 1063 adults



Duration of energy restriction: 12 ± 9 wk



Pre/Post Change

*

Intake: 1550 ± 270 kcal *

Standard Protein Diet: 0.72 g·kg-1·d-1 (18 ± 2%) High Protein Diet: 1.25 g·kg-1·d-1 (30 ± 2%)

*

Wycherley TP, et al., 2012; AJCN; 96: 1281-98 ©2014 Dairy Council of California and Society for Nutrition Education and Behavior

High Protein following Weight Loss 4 wk VLED followed by 6 month weight maintenance in 113 adults NP: 15% Protein HP: 18% Protein (additional 30 g protein/day)

Weight Loss/Re-gain *HP vs. NP p Energy Out (Weight Gain) respective stages of lifecycle Energy In < Energy Out (Weight Loss)

©2014 Dairy Council of California and Society for Nutrition Education and Behavior

Nutrient-specific Considerations: Children and Teens 

Protein



Calories



Iron



Calcium



Other essential micronutrients

Growth and Development Nutrient Partitioning

Nutrient-Specific Considerations

©2014 Dairy Council of California and Society for Nutrition Education and Behavior

Nutrient-specific Considerations: Young and Middle-Aged Adults











Protein Maintenance of Bone and Muscle Mass: Prevention Calories

Iron

Osteoporosis

Sarcopenia

Calcium Nutrient-Specific Considerations Other essential micronutrients

©2014 Dairy Council of California and Society for Nutrition Education and Behavior

Nutrient-specific Considerations: Baby Boomers 









Protein

Maintenance of Bone and Muscle Mass: Calories Reducing Progression Iron

Osteoporosis

Sarcopenia Calcium Nutrient-Specific Considerations Other essential micronutrients

©2014 Dairy Council of California and Society for Nutrition Education and Behavior

The Reality of Protein Rich Meals for Contemporary Diet Design Breakfast

Lunch

Dinner

Grand latte (skim) 16 g

4g

6g 8g

6g

24 g

24 g 5g

10 g 13 g

©2014 Dairy Council of California and Society for Nutrition Education and Behavior

maximum rate of protein synthesis

~ 30 g

~ 30 g

~ 30 g

Total Protein 90 g

Catabolism

Anabolism

Building Protein Rich Meals and Nutrition Care Plans: Relevance of Timing

Repeated maximal stimulation of protein synthesis is important to maintain, repair, or increase muscle mass

©2014 Dairy Council of California and Society for Nutrition Education and Behavior

High-Quality Protein Sample Meal Plan

©2014 Dairy Council of California and Society for Nutrition Education and Behavior

Summary and Translation Habitual consumption of protein in excess of the RDA but well within the AMDR, in combination with a physically active lifestyle will contribute to:  Optimizing protein utilization by the body throughout the lifecycle,  Improving various health outcomes, in particular, weight management and favorable changes in body composition  Nutrient needs reflected in Mother Nature’s plan  Milk – and other high quality proteins – are pivotal options in healthy diet design from early to later life

©2014 Dairy Council of California and Society for Nutrition Education and Behavior

Thank You!!

©2014 Dairy Council of California and Society for Nutrition Education and Behavior

Q&A Please

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 Summary

of Q&A

©2014 Dairy Council of California and Society for Nutrition Education and Behavior

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