Everyone assumes beetroot juice plus blood flow restriction training means bigger strength gains. This randomized, double-blind trial found something more specific: both groups got stronger, but only the beetroot group showed a significant improvement in fatigued countermovement jump height. The study used 8 mmol of nitrate per day, a one-week loading phase and a four-week BFR program. Here's the protocol, who might benefit, who should skip it, and why a 20-person study deserves caution.
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