Beetroot Extract

What This Supplement Is

Beetroot extract (and beetroot powder) is used as a concentrated dietary nitrate source. Athletes and endurance trainees often take it to support blood flow and exercise performance.

How It Works in the Body

Dietary nitrate from beetroot can be converted via the nitrate–nitrite–nitric oxide pathway. Nitric oxide signalling can influence blood vessel tone and oxygen delivery during exercise. Timing before endurance work is common because the conversion process is not instantaneous.

Evidence and Scientific Research

Evidence is medium-to-supportive for endurance contexts: several trials and reviews suggest beetroot/nitrate can improve time-to-exhaustion or efficiency in some endurance settings, with more mixed results for strength or sprint sports. Responses depend on dose, training status, and diet (people already high in leafy greens may see smaller effects).

Common Benefits and Use Cases

1. Endurance sessions (running, cycling, rowing)
2. Perceived exertion / blood-flow support around training
3. General dietary nitrate when vegetable intake is low

Dosage and Supplement Forms

Protocols often use about 1 tablespoon of powder on training or endurance days, or standardized nitrate extracts. Check labels for nitrate content when comparing products. Powder, shots, and capsules all exist.

Timing and How to Take It

Often taken 60–120 minutes before endurance training, or earlier on endurance days. Mixing into water is common; flavour and colour are strong.

Potential Side Effects and Risks

Beetroot can lower blood pressure and may discolor urine or stool (usually harmless). GI discomfort can occur with large doses. Use caution if you take nitrate medications or PDE5 inhibitors.

Who Should Avoid It

• People with low blood pressure or on blood-pressure medications unless cleared by a clinician
• Anyone advised to restrict nitrates
• Those with beet allergies

Stacking and Combinations

Beetroot is often paired with electrolytes or carbohydrate around long sessions. It is not a substitute for training, sleep, or fueling.

Bottom Line

Beetroot extract is a practical dietary nitrate option with a reasonable evidence base for some endurance uses. Treat it as a performance aid to test around key sessions, not a daily essential for everyone.