D
N+ Score66
Herbal & BotanicalServing: 2 Capsule(s)Type: Botanical

Vitamin World Viper is a botanical supplement comprising 10 ingredients, including Kola Nut (200mg), Oat Straw (200mg), Nettles (150mg), Yohimbe 2% Extract (100mg), Korean Ginseng (120mg), Horny Goat Weed (40mg), Catuaba (20mg), Muira Puama (20mg), Damiana (20mg), and Saw Palmetto (20mg). Based on available data, none of these ingredients are present at clinically studied doses, which is a notable limitation. The product received an N+ Score of 66, resulting in a D grade, indicating an average quality tier. This blend may be considered by individuals exploring traditional botanical ingredients, but research-backed efficacy at these dosages is not established.

About This Product

Viper by Vitamin World is a herbal & botanical supplement containing 10 active ingredients. It has earned an N+ Score of 66/100 (Grade D).

N+ Score Breakdown

Ingredient Adequacy50/100

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

Formula Completeness33/100

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

Label Transparency100/100

Are individual ingredient amounts clearly disclosed without proprietary blends?

Ingredient Diversity100/100

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

Strengths

  • +Fully transparent label with individual ingredient amounts disclosed
  • +Broad ingredient diversity exceeding category norms

Weaknesses

  • −Missing several expected ingredients for its category

Ingredient Analysis (10 ingredients)

IngredientAmountDose Adequacy
Saw Palmetto20.000 mgN/A
Damiana20.000 mgN/A
Oat Straw200.000 mgN/A
Korean Ginseng120.000 mgN/A
Nettles150.000 mgN/A
Muira puama20.000 mgN/A
Horny Goat Weed40.000 mgN/A
Kola Nut200.000 mgN/A
Catuaba20.000 mgN/A
Yohimbe 2% Extract100.000 mgN/A

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