High Protein Dairy Products and Resistance Exercise in the Elderly

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

18 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-06-01

Study Completion Date

2024-01-12

Brief Summary

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Protein supplementation is one of the main recommendations for regular endurance physical exercise (RT). In older people, the need for protein increases particularly in the face of physiological and pathophysiological changes associated with the loss of muscle tissue and function, so protein intake becomes more relevant in this population. Fermented dairy products such as yogurt, and especially those with an extra protein content, have increased their popularity and consumption in the national market. Their nutritional composition is of particular interest, given their amino acid profile and in particular their high Leucine content, which could be compared with the classic protein supplements recommended for muscle gain and recovery. Objective: To analyze the effect on body composition, lipid profile, physical condition and muscle functionality induced by the intake of high protein yogurts versus Whey protein together with a muscular resistance program in elderly people. Hypothesis: The intake of high protein yogurts will lead to equal or greater gains in muscle mass, physical condition and functionality than those obtained with the intake of Whey protein together with resistance training in elderly people.Methodology: 16 healthy, lactose intolerant free, older (60-75 years old) subjects will be recruited to perform 8 weeks of muscular resistance training (RT) 3 times per week, who will be randomly supplemented with high protein yogurt (PY) or Whey protein (WP). At baseline and at the end of the intervention, body composition will be assessed by DEXA, muscle strength, maximal oxygen consumption and lipid profile. Expected Results: The YPRT group is expected to achieve similar or greater increases in muscle strength, fat-free mass, lipid profile and decrease in fat mass than the WP group.

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Detailed Description

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Conditions

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Dairy Products Whey Protein Resistance Training Older Adults

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

The PY group will be provided with two yogurts and 50 of water (220g per serving, containing 24.6g protein, 1.4g fat, and 16.6 carbohydrates), while the WP will be provided with a shake with water (25g per serving containing; 25g protein, 0g fat, and 1g carbohydrates, dissolved in water), immediately after the exercise session which a trainer will monitor. Both groups will submit to a resistance training group every 8 weeks.

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Participants

Study Groups

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Whey Protein+Resistance Training

Participants will undergo 8 weeks of resistance training and receive a whey protein shake after each exercise session.

Group Type EXPERIMENTAL

Whey Protein+Resistance Training

Intervention Type OTHER

WP group received 25g protein on one scoop of Whey Protein Isolate (Iso100 Dymatize) with 8 weeks of resistance training 3 days a week.

Protein Yogurt+Resistance Training

Participants will undergo 8 weeks of resistance training and receive a yogurt shake after each exercise session.

Group Type EXPERIMENTAL

High protein yogurt+Resistance Training

Intervention Type OTHER

PY group received 24.6g protein on two High Protein yogurts (Lonco Leche) with 8 weeks of resistance training 3 days a week.

Interventions

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Whey Protein+Resistance Training

WP group received 25g protein on one scoop of Whey Protein Isolate (Iso100 Dymatize) with 8 weeks of resistance training 3 days a week.

Intervention Type OTHER

High protein yogurt+Resistance Training

PY group received 24.6g protein on two High Protein yogurts (Lonco Leche) with 8 weeks of resistance training 3 days a week.

Intervention Type OTHER

Other Intervention Names

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WP PY

Eligibility Criteria

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Inclusion Criteria

* \>60 years
* Less than 1 hour of exercise a week

Exclusion Criteria

* Lactose Intolerant
* Smoking
* Type 1 or 2 Diabetes
* Alcohol intake
* Currently taking protein, high protein yogurts, creatine, HMB or any other supplement that aims to improve muscle mass

Minimum Eligible Age

60 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes