Single and combined effect of beetroot juice and caffeine intake on muscular strength, power and endurance performance in resistance-trained males

May 14, 2025Scientific reports

Beetroot juice and caffeine alone and together affect strength, power, and endurance in trained men

AI simplified

Abstract

Acute supplementation with caffeine and beetroot juice increased performance by 6-17% in the back squat exercise compared to placebo.

  • Caffeine supplementation improved muscular strength and power at loads of 75%, 90%, and 100% of one-repetition maximum in the back squat.
  • Performance enhancements with caffeine ranged from 9-25% compared to placebo.
  • Single and combined use of caffeine and beetroot juice significantly increased the number of repetitions performed at 65% of one-repetition maximum in back squats.
  • No significant effects were observed in muscular strength, power, or endurance during bench press exercises.

AI simplified

Key numbers

25%
Increase in Mean Velocity at 100% 1RM
Caffeine compared to placebo in back squat exercise.
17%
Increase in Repetitions at 65% 1RM
Caffeine and beetroot juice vs. placebo in back squat exercise.
3 mg/kg
Caffeine Dose
Dose administered before trials.

Full Text

We can’t show the full text here under this license. Use the link below to read it at the source.

what lands in your inbox each week:

  • 📚7 fresh studies
  • 📝plain-language summaries
  • direct links to original studies
  • 🏅top journal indicators
  • 📅weekly delivery
  • 🧘‍♂️always free