The short answer · Nitric oxide bioavailability
Take l-citrulline for nitric oxide bioavailability. This is the one to buy.
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Nutricost, L-Citrulline, Unflavored , 1.3 lb (600 g)
4.8· 1,330 ratings· $0.13/serving
DoseRank score85
L-Citrulline 3 g — below the studied 3000-8000 mg window
Of 2,472 products scored for Nitric oxide bioavailability, Nutricost, L-Citrulline, Unflavored , 1.3 lb (600 g) ranks #1 with a DoseRank score of 85. L-Citrulline is the strongest evidence signal for this outcome.
The form“Why L-Citrulline — not Beetroot Nitrate or Arginine Nitrate?”Evidence Strong evidence
L-Citrulline is the strongest evidence signal for this outcome.
- L-CitrullineThe pick
Strong evidence · 3 g
Non-essential amino acid and the most efficient precursor to arginine and nitric oxide; raises plasma arginine more than arginine itself, supporting exercise blood flow.
- Beetroot Nitrate
Strong evidence · 2000 mg
Standardized nitrate fraction from beetroot; converts to nitric oxide to improve blood flow and lower the oxygen cost of exercise more reliably than whole-root powder.
- Arginine Nitrate
Moderate evidence · 1000 mg
Combination of L-arginine bonded to nitrate; supplies nitric oxide precursors via dual pathways, used in pre-workouts for vasodilation and pump.
Questions
Frequently asked
Nutricost, L-Citrulline, Unflavored , 1.3 lb (600 g) ranks #1 for Nitric oxide bioavailability with a DoseRank score of 85. The score blends clinical strength, evidence, dose fit, trust signals and value across 2,472 products scored for this outcome.
L-Citrulline is the strongest evidence signal for this outcome.
L-Citrulline at 3 g sits below the studied 3000-8000 mg window. DoseRank scores this product's dose fit at 67 out of 100.
Nutricost, L-Citrulline, Unflavored , 1.3 lb (600 g) works out at $0.13 per serving. $0.13 per serving — low price tier for this outcome. Nothing else in this ranking costs less per serving.
No. Retailer links may be affiliate links, but rankings and placement are never paid. Every product is scored by the same public model, and the ranking is recomputed from the underlying product data rather than edited by hand.