F
N+ Score45
Vitamins & MineralsServing: 1 Vegetarian Capsule(s)Type: Non-Nutrient/Non-Botanical

Douglas Laboratories 5-HTP is a single-ingredient supplement providing 50mg of L-5-Hydroxytryptophan per serving, an amino acid precursor often associated with neurotransmitter synthesis. The product achieved an N+ Score of 45, resulting in an 'F' grade, placing it in the below-average tier. While label transparency is excellent at 100%, its formula completeness is 0% due to being a single-ingredient product. Research on 5-HTP commonly utilizes dosages ranging from 50mg to 300mg, suggesting this product's dosage is at the lower end of the spectrum. This supplement may appeal to individuals seeking a focused approach to 5-HTP supplementation.

About This Product

5-HTP by Douglas Laboratories is a vitamins & minerals supplement containing 1 active ingredients. It has earned an N+ Score of 45/100 (Grade F).

N+ Score Breakdown

Ingredient Adequacy50/100

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 Diversity36/100

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

Strengths

  • +Fully transparent label with individual ingredient amounts disclosed

Weaknesses

  • Missing several expected ingredients for its category
  • Limited ingredient diversity compared to category norms

Ingredient Analysis (1 ingredients)

IngredientAmountDose Adequacy
L-5-Hydroxytryptophan50.000 mgN/A

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