A trial following muscle-damaging exercise
After baseline measurements, participants performed 200 loaded vertical jumps. They then consumed beetroot juice or a placebo at 24, 48 and 72 hours after exercise.
The trial was randomized, double-blind and crossover: participants were to complete both conditions. Four did not complete the second period. The researchers analyzed the results using mixed statistical models.
Measurements covered several distinct aspects: countermovement jump height, volleyball-specific agility, pressure pain, muscle soreness, thigh circumference and knee muscle performance.
A signal for jumping, not overall recovery
At 72 hours, jump height was greater with beetroot juice than with placebo. This comparison was statistically significant, but the overall treatment-by-time interaction did not meet the conventional threshold for statistical significance. The result therefore represents a targeted signal, not strong evidence of a better recovery trajectory.
Calf pressure pain threshold also favored beetroot juice at 72 hours. This does not mean participants felt less muscle soreness overall: that subjective measure showed no clear difference between conditions.
Agility, thigh pressure pain threshold, thigh circumference and low-speed knee measurements also showed no consistent benefit associated with beetroot juice.
What this trial tells us
The potential benefit here concerns certain functions after a specific exercise bout in trained female athletes. These results do not support a conclusion of faster recovery across all sports or in untrained people.
The abstract does not provide absolute differences in jump height. This makes it difficult to assess the practical gain on the court. It also does not allow a practical protocol to be proposed or the product's tolerability to be assessed.
Limitations to keep in mind
Small sample, four participants who did not complete the second period, and a very specific population. Only the PubMed abstract was consulted. Absolute differences, dose, adverse effects, funding and conflicts of interest could not be verified from the source material.
What we can take away
Beetroot juice shows a favorable signal for two measures at 72 hours, but no generalized recovery benefit.
Sources and provenance
- Selective recovery effects of short-term beetroot juice supplementation after exercise-induced muscle damage in trained female volleyball players.
Source date: 2026-10-20.
Journal Article, Randomized Controlled Trial · Résumé PubMed uniquement, texte intégral non consulté