Source Naturals

L-Citrulline

F
N+ Score29
ProteinServing: 1 tsp [approx. 2.25 g]Type: Amino acid/Protein [A1305]

Source Naturals L-Citrulline is a protein supplement supporting nitric oxide production. It may benefit athletes and individuals seeking cardiovascular support and improved exercise performance. This amino acid is a precursor to L-arginine.

About This Product

L-Citrulline by Source Naturals is a protein supplement containing 1 active ingredients. It has earned an N+ Score of 29/100 (Grade F).

N+ Score Breakdown

Ingredient Adequacy0/100

Are key ingredients present at clinically effective doses based on research?

Formula Completeness0/100

Does the product include all expected ingredients for its supplement category?

Label Transparency100/100

Are individual ingredient amounts clearly disclosed without proprietary blends?

Ingredient Diversity44/100

Does the formula include a breadth of beneficial compounds from multiple pathways?

Strengths

  • +Fully transparent label with individual ingredient amounts disclosed

Weaknesses

  • −Several ingredients below clinically effective doses
  • −Missing several expected ingredients for its category

Ingredient Analysis (1 ingredients)

IngredientAmountDose Adequacy
L-Citrulline2.250 Gram(s)Under

Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.