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Effects of high-load, velocity-intentional variable resistance training combined with creatine supplementation on neuroplasticity, oxidative stress, inflammation, physical function, cognitive performance and quality of life in older adults: A randomized, double-blind, placebo-controlled trial

Julio Fernandez-Garrido, Ezequiel G Martin, Angel Saez-Berlanga, Pedro Gargallo-Bayo, Javier Gene-Morales, Carlos Alix-Fages, Pablo Jiménez-Martínez, Oscar Caballero, Rosario Salvador-Palmer, Juan C Colado
Exp Gerontol 2026 218:113122

Bibliography

PubMed
PMID 41941966
Trial registry
View on ClinicalTrials.gov Registered trial — results not yet published in a peer-reviewed journal.
Funding
No explicit funding statement was located in the accessible PubMed or publisher records during Biohack Blueprint's 2026-10-02 audit. This is an audit-status statement, not confirmation that the study received no funding.
Competing interests
No explicit competing-interests statement was located in the accessible PubMed or publisher records during Biohack Blueprint's 2026-10-02 audit. This is an audit-status statement, not confirmation that no competing interests existed.

Study snapshot

DesignRandomized double-blind placebo-controlled multi-arm trial
ModelHuman
Sample103 older adults (57 women, 46 men; mean age 68.2 years)
Intervention3 g/day creatine or placebo with land- or water-based high-load velocity-intentional resistance training, plus creatine/placebo controls
Duration16 weeks
EndpointsStrength; Physical function; Cognition; BDNF; Oxidative stress; Inflammatory markers; Quality of life

What the study showed, in plain terms

Large 2026 multi-arm trial testing low-dose daily creatine alongside two resistance-training modes in community-dwelling older adults.

Key findings

Training improved numerous outcomes. Creatine contributed selected strength, functional and oxidative/inflammatory effects depending on training context; the complex six-group design means the supplement effect should be separated carefully from the larger training effect.

What this study can and cannot tell us

Multiple groups and many endpoints increase interpretive complexity; exercise mode materially influenced outcomes, and findings should not be simplified into a universal stand-alone creatine effect.

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