Effects of Hydrolyzed Collagen and Vitamin C on Explosive Performance

Not Applicable

Completed

• Conditions: Rate of Force (RFD) Development; Collagen Synthesis
• Interventions: Dietary Supplement: Collagen and Vitamin C powder mix nutritional intervention; Other: Maltodextrin placebo powder; Other: Maximum power training exercise

• Registration Number: NCT04437758
• Lead Sponsor: PepsiCo Global R&D

Brief Summary

Determine whether supplementation with a combined dose of 20 g of hydrolyzed collagen and 50 mg vitamin C, along with a power training exercise program, increases rate of force development (RFD) and performance in athletes

Detailed Description

Not available

Study Timeline

• Study Start: 2019-08-22
• Primary Completion: 2020-02-05
• Study Completion: 2020-02-05
• Status Verified: 2020-06
• Study First Submitted: 2020-06-12
• Study First Submitted QC: 2020-06-16
• Last Update Submitted: 2020-06-16
• Study First Posted: 2020-06-18
• Last Update Posted: 2020-06-18

Recruitment & Eligibility

• Status: COMPLETED
• Sex: Male
• Target Recruitment: 50

Inclusion Criteria

1. Healthy male athletes between 18-30 years of age
2. Currently participating in sport
3. <3 musculoskeletal injuries in the past year
4. No health or dietary restriction that would be affected by the supplementation protocol

Exclusion Criteria

1. History of more than 3 musculoskeletal injuries within the past 12 months
2. Health, dietary restriction or diet that would be affected by the supplementation protocol
3. Willing to eat similar dietary pattern the day before baseline testing and each exercise testing/intervention day

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Hydrolyzed collagen and Vitamin C powder mix	Maximum power training exercise	20 g hydrolyzed collagen + 50 mg vitamin C (ascorbic acid) pre-packed powder diluted in 250 ml (8 oz) of water
Hydrolyzed collagen and Vitamin C powder mix	Collagen and Vitamin C powder mix nutritional intervention	20 g hydrolyzed collagen + 50 mg vitamin C (ascorbic acid) pre-packed powder diluted in 250 ml (8 oz) of water
Maltodextrin powder	Maltodextrin placebo powder	20 g maltodextrin pre-packed powder diluted in 250 ml (8 oz) of water
Maltodextrin powder	Maximum power training exercise	20 g maltodextrin pre-packed powder diluted in 250 ml (8 oz) of water

Primary Outcome Measures

Name	Time	Method
Squat jump height rate of force development (RFD)	% change from baseline to week 1, week 2 and week 3	Squat jump height performance RFD/kg
Maximal rate of force development (RFD) of isometric squat (MIS)	% change from baseline to week 1, week 2 and week 3	Force (N) over time (msec) for the maximum slope of the first 20% of the movement
Counter-movement jump (CMJ) rate of force development (RFD)	% change from baseline to week 1, week 2 and week 3	CMJ jump performance N/s/kg

Trial Locations

Locations (1)

UC Davis Functional Molecular Biology Laboratory and Human Performance Laboratory; 🇺🇸 Davis, California, United States