Actively Recruiting

Phase Not Applicable
Age: 18Years +
All Genders
Healthy Volunteers
NCT07159919

Insect vs Animal Protein for Building Muscle

Led by University of Surrey · Updated on 2026-04-29

34

Participants Needed

1

Research Sites

56 weeks

Total Duration

On this page

Sponsors

U

University of Surrey

Lead Sponsor

A

Aberystwyth University

Collaborating Sponsor

AI-Summary

What this Trial Is About

This research is being carried out to investigate the potential of insects (crickets) as a sustainable protein source for supporting human muscle tissue by comparing cricket protein to a commonly used animal protein (whey). Insects have been used as protein source for many years in East-Asian and African cultures. More recently the interest in this potential protein source has been growing in Western countries due to the negative environmental impact of producing animal foods and the increased awareness of animal welfare issues in the food chain. Insects are a more sustainable protein source, requiring less land, water and feed, and producing less carbon emissions (greenhouse gases) compared to farming livestock (e.g. cows, pigs, chickens etc.) However, up until now there is no clear evidence that insect-derived protein has the same nutritional properties as animal-derived protein. Recent data from our research group indicates that there appears to be no difference in the digestibility of an insect protein compared to a traditional animal protein amongst younger, middle-aged and older adults. The investigators now want to explore the potential of insect protein to increase muscle mass and strength.

CONDITIONS

Official Title

Insect vs Animal Protein for Building Muscle

Who Can Participate

Age: 18Years +
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Adults aged 18 years or older in good general health
  • Body mass index (BMI) between 18.5 and 35 kg/m2
  • Stable weight within ±2 kg for the past 3 months
  • Willing and able to give informed written consent
  • Willing to provide blood and muscle tissue samples
  • Currently resistance training at least 3 times per week for a minimum of 2 years
  • Willing to follow a resistance training program and consume daily protein supplement for 12 weeks
  • Not allergic to local anaesthetic
Not Eligible

You will not qualify if you...

  • Injury or illness preventing adherence to 12 weeks of resistance training and protein supplementation
  • Diagnosis of metabolic conditions such as diabetes
  • Currently taking nutritional ergogenic aids (e.g., creatine, beta-alanine, sodium bicarbonate, dietary nitrate)
  • Smoking, using nicotine products, or have not abstained from these for over 6 months
  • Pregnant or lactating; participants who become pregnant during the study must notify researchers and will be removed
  • Habitual caffeine intake exceeding 400 mg/day (more than 5 cups of standard coffee)
  • Drug or alcohol abuse within the last 2 years
  • Use of performance enhancing drugs currently or within the past 10 years
  • Inability to refrain from alcohol, caffeine-containing drinks, and strenuous exercise 12 hours before phase 1 visit
  • Food allergies
  • Following weight loss diets
  • Being vegan, vegetarian, or refraining from dairy or egg consumption

AI-Screening

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Trial Site Locations

Total: 1 location

1

University of Surrey, Stag Hill Campus

Guildford, Surrey, United Kingdom, GU2 7XH

Actively Recruiting

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Research Team

J

James AG Rutherford, MSc

CONTACT

R

Ralph Manders, PhD

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

DOUBLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

OTHER

Number of Arms

2

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