ModerateSynergy
L-Citrulline
Both increase nitric oxide availability and may additively lower blood pressure.
Recommendation: Monitor dizziness and blood pressure when combining.
Beetroot Extract (Dietary Nitrate)
Other ·Strong evidence ·Reviewed May 2026
Beetroot extract provides dietary nitrate that can raise nitric oxide availability and modestly lower blood pressure. It is also used before exercise to improve efficiency and endurance, with best evidence in recreationally trained athletes and variable benefit in elite athletes. Oral bacteria are required for nitrate-to-nitrite conversion, so antibacterial mouthwash can blunt effects.
What it's good for
The bottom line
Evidence rating strong. Most-documented uses: may lower systolic blood pressure, may improve endurance exercise efficiency, may improve time-to-exhaustion in some users. 3 sources indexed (2009–2017), with 3 interaction records on file.
The science
How it works, mechanistically.
Core mechanism
Dietary nitrate is absorbed and concentrated in saliva, where oral bacteria reduce it to nitrite. Nitrite can then be converted to nitric oxide, especially under low-oxygen and acidic conditions, supporting vasodilation, blood pressure reduction, mitochondrial efficiency, and muscle oxygen delivery. Beetroot also supplies betalains and polyphenols, but standardized nitrate content is the main performance-relevant feature.2,3
Class
Dietary nitrate nitric-oxide precursor
Found in food
Beetroot, Spinach, Arugula
Low-status signs
None - dietary nitrate is not an essential nutrient and has no deficiency state
Dosing
Dosing & protocol.
Common range
300-600 mg nitrate 2-3 hours pre-exercise, or 400-800 mg nitrate/day for blood pressure protocols
Recommended form
Nitrate-standardized beetroot juice shot or capsule
Peak nitrate/nitrite effects often occur 2-3 hours after dosing. Avoid antibacterial mouthwash around dosing because oral bacteria are needed for conversion.1,2
Forms
Forms & what to buy.
Ranked by evidence and value.
Nitrate-Standardized Beetroot Shot Recommended
Most reliable for acute performance dosing when nitrate milligrams are disclosed. Take 2-3 hours pre-exercise.
Beetroot Powder
Nitrate content varies unless tested. Take with water or meals.
Beetroot Capsule
Convenient but may be underdosed if nitrate is not disclosed. Take consistently at the same time.
Cost
What it actually costs.
Real-world pricing across three quality tiers. Assumes Nitrate-standardized beetroot shot.
BudgetBest value
$9 /mo
$0.30 per dose
Mid
$27 /mo
$0.90 per dose
Premium
$60 /mo
$2.00 per dose
Nitrate-tested products cost more but are far more predictable for performance use. Updated 2026-06-04.
Goals
Goal-based dosing.
Endurance Performance
Dose: 300-600 mg nitrate1
Timing: 2-3 hours before exercise
Works best after several days of use or acute pre-event dosing.
Blood Pressure Support
Dose: 400-800 mg nitrate/day2
Timing: Daily, with monitoring
Track home blood pressure over 2-8 weeks.
Workout Pump and Blood Flow
Dose: 300-600 mg nitrate2
Timing: 2-3 hours pre-workout
Avoid antibacterial mouthwash near dosing.
Lab work
Markers to track.
What to test, the optimal window inside the conventional range, and how long a response takes.
Systolic Blood Pressure SBP
May lower systolic blood pressure through nitrate-nitrite-nitric oxide signaling.2,1
Optimal
100–119 mmHg
Conventional
90–120 mmHg
Responds in
2-8 weeks
90optimal120
Use validated home measurements or clinician readings; monitor for dizziness if combined with antihypertensive strategies.
Diastolic blood pressurePulse pressureResting heart rate
Why people use it
Symptoms it's matched to.
Where this appears in the symptom-to-supplement map, ranked by relevance.
Poor endurance
70% relevance
May reduce oxygen cost and improve exercise tolerance.3,1
AthleticStrong evidenceBeetroot shot
Timing and nitrate dose are critical.
Elevated blood pressure
62% relevance
Nitrate-derived nitric oxide supports vasodilation.2,1
CardiometabolicStrong evidenceNitrate-standardized extract
Monitor measured blood pressure.
Low workout pump
45% relevance
Nitric oxide may increase blood flow during exercise.2
AthleticModerate evidenceNitrate-standardized powder
Effect is less direct than endurance outcomes.
Protocols
Featured in protocols.
Evidence-based stacks that include it, with the exact dose and timing each one uses.
Blood Pressure and Vascular Health Protocol
Heart HealthCoreModerate evidenceIntermediate$35-60/mo
Dose here
300-500 mg standardized extract (or ~400-500 mg dietary nitrate equivalent) daily
Timing
Once daily, ideally 1-2 hours before exercise or in the morning
Dietary nitrate is reduced to nitrite and then nitric oxide, promoting vasodilation; meta-analyses show modest reductions in systolic blood pressure, making it a cornerstone of the nitric oxide arm of this stack.2,3
Endurance Performance Protocol
Athletic PerformanceCoreStrong evidenceIntermediate$45-75/mo
Dose here
300-600 mg nitrate (equivalent to ~500 mL beetroot juice)
Timing
2-3 hours before training or competition
Dietary nitrate raises plasma nitrite and nitric oxide, lowering the oxygen cost of submaximal exercise and improving time-to-exhaustion and time-trial performance in endurance athletes.2,3
Safety
Full safety detail.
Side effects
- Red urine or stool
- GI upset
- Headache
- Dizziness from lower blood pressure
- Kidney stone concern in susceptible people due to beet oxalate content
Contraindications
Interactions
Interaction records.
InfoSynergy
Taurine
Taurine may complement vascular tone and exercise performance support.
Recommendation: Reasonable at standard doses; monitor blood pressure if sensitive.
ModerateCaution
Garlic Extract
Both may lower blood pressure and have vascular effects.
Recommendation: Use cautiously with low blood pressure or antihypertensive therapy.
Search all 3 interaction records for Beetroot Extract (Dietary Nitrate) →
Sources
Sources, by evidence tier.
Numbered references. Citations throughout the page link here.
Meta-analyses & systematic reviews
1- 1The effect of nitrate supplementation on exercise performance in healthy individuals: a systematic review and meta-analysisNeeds reviewNo linkMcMahon NF et al. · Sports Medicine · 2017
Nitrate supplementation improved endurance performance outcomes, with heterogeneity by training status and protocol.
Randomized controlled trials
2- 2Inorganic nitrate supplementation lowers blood pressure in humans: role for nitrite-derived NONeeds reviewNo linkKapil V et al. · Hypertension · 2010
Nitrate supplementation increased nitrite and lowered blood pressure, supporting a nitrate-nitrite-NO pathway.
- 3Dietary nitrate supplementation reduces the O2 cost of low-intensity exercise and enhances tolerance to high-intensity exercise in humansNeeds reviewNo linkBailey SJ et al. · Journal of Applied Physiology · 2009
Nitrate-rich beetroot juice lowered oxygen cost and increased time to task failure.
Keep exploring
Deep dives & adjacent profiles.
This page is educational. Do not start, stop, or change a supplement or medication based on it without checking with a qualified healthcare professional.
Use this with your stack
Beetroot Extract (Dietary Nitrate) in NutriStack.
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