What is delayed onset muscle soreness?

What is delayed onset muscle soreness?

Delayed onset muscle soreness (DOMS) is the formal term for the muscle pain, tenderness and stiffness that appear after unaccustomed or high-intensity eccentric exercise, typically peaking between 24 and 72 hours after the bout. It is classified as an exercise-induced muscle damage (EIMD) response rather than an injury or a disease state, and it is distinct from the acute soreness felt during or immediately after exertion. The research literature does not assign DOMS a single sequence, formula or molecular weight, because it is a clinical syndrome rather than a defined molecule; the identifiers that appear in the evidence are study registration numbers and outcome measures such as pain rating scales, muscle function tests and oxidative stress markers.

The work summarised here centres on the oxidative stress and inflammatory pathways that follow eccentric contraction, and on nutritional and pharmacological interventions — including allicin, melatonin, magnesium, sodium pyruvate, gut-axis interventions and purple grape-derived products — that have been examined for their effects on recovery outcomes in athletic populations [1][2].

Research Studies

Allicin and delayed onset muscle soreness after eccentric exercise

A registered clinical trial has investigated the effects of allicin pretreatment on delayed onset muscle soreness, muscle function and oxidative stress following eccentric exercise [2]. The study was designed to examine whether pretreatment alters the DOMS response and associated oxidative stress markers in the exercised muscle. The evidence block does not report the results of this trial, so no effect size or direction of effect can be stated here.

Melatonin and recovery in soccer players

A qualitative research synthesis of mechanism-based nutritional strategies for performance and recovery in soccer players reviewed melatonin among several candidate interventions [1]. The review framed modern soccer as an intermittent high-intensity sport producing substantial metabolic load, oxidative stress and disruption of recovery processes, and considered multi-target supplements as potential support for maintaining performance and accelerating recovery [1]. The synthesis was qualitative, so it does not provide pooled numerical estimates.

Gut-axis interventions and recovery in soccer players

The same qualitative synthesis examined gut-axis interventions — prebiotics, probiotics and synbiotics — in relation to performance and recovery outcomes in soccer players [1]. These interventions were grouped with other multi-target strategies under the review's framing of oxidative stress and recovery disruption in that population [1].

Magnesium and recovery in soccer players

Magnesium was one of the compounds included in the qualitative review of nutritional strategies for soccer players [1]. The review considered it alongside melatonin, gut-axis interventions, sodium pyruvate and purple grape-derived products as a candidate multi-target supplement for performance and recovery [1].

Sodium pyruvate and recovery in soccer players

Sodium pyruvate was also included in the qualitative synthesis of nutritional strategies for performance and recovery in soccer players [1]. As with the other compounds in that review, the evidence was synthesised qualitatively rather than as a meta-analysis of pooled effect sizes [1].

Purple grape-derived products and recovery in soccer players

Purple grape-derived products were the fifth intervention category reviewed in the qualitative synthesis of nutritional strategies for soccer players [1]. The review's scope covered their potential role in supporting performance and accelerating recovery in that athletic population [1].

Comparison of intervention categories reviewed in soccer players

Oxidative stress as a shared mechanism across the reviewed interventions

Both sources in the evidence block connect the interventions they examine to oxidative stress. The soccer review describes the physiological demand of the sport as producing oxidative stress and disruption of recovery processes [1], while the allicin trial lists oxidative stress as one of its measured outcomes alongside DOMS and muscle function [2]. This shared mechanistic framing is the basis on which these compounds have been grouped in the research literature.

Model and population limits of the current evidence

The evidence available here consists of a qualitative research synthesis in soccer players [1] and a registered clinical trial protocol in participants undergoing eccentric exercise [2]. Neither source provides animal-only or in vitro data in the material supplied, and neither reports completed numerical results in the evidence block. Claims about efficacy, dose or mechanism beyond the stated outcome domains are therefore not supported by the evidence provided.

If you are reading this for personal health reasons

The compounds discussed on this page are supplied for laboratory research use only. We do not provide dosing information, medical guidance or recommendations for personal use. Anyone considering a compound for themselves should speak to a licensed clinician.

Sources

• [1] Mechanism-based nutritional strategies for performance and recovery in soccer players: a qualitative research synthesis. https://europepmc.org/article/PMC/PMC13537052
• [2] Effects of Allicin Pretreatment on Anti-oxidation Ability and Delayed Onset Muscle Soreness. https://clinicaltrials.gov/study/NCT07812688