{
  "sku": "JV-D4000",
  "name": "Super Strength Vitamin D3 4000iu & K2 100μg (as MK-7)",
  "generatedAt": "2026-04-28",
  "generatedBy": "claude-code-in-session",
  "marketFitScore": { "value": 9.1, "confidence": "high", "basis": "589 reviews, avg 4.7/5, 95% positive", "n": 589 },
  "verdict": "Excellent market fit. Strong clinical and doctor-recommendation signal. D3+K2 combination is valued by educated buyers. Main gap: the science story (why K2 matters) is invisible in imagery and needs PDP copy investment.",
  "items": [
    { "rank": 1, "reviews": 231, "insight": "Doctor/GP/specialist recommended", "sentimentRatio": { "positive": 99, "negative": 1 }, "classification": "Primary Strength", "detail": "The strongest trust signal in the supplement category. Clinical credibility is built-in — this is a prescription-adjacent purchase for many customers." },
    { "rank": 2, "reviews": 198, "insight": "Verifiable efficacy via blood tests", "sentimentRatio": { "positive": 98, "negative": 2 }, "classification": "Primary Strength", "detail": "Customers reference blood test results as proof. This is unusually strong evidence compared to most supplements." },
    { "rank": 3, "reviews": 67, "insight": "D3+K2 synergy understood by buyers", "sentimentRatio": { "positive": 97, "negative": 3 }, "classification": "Primary Strength", "detail": "Educated buyers specifically choose this for K2 (MK-7). Underserved in imagery — major differentiation vs plain D3 products." },
    { "rank": 4, "reviews": 156, "insight": "Bone health / osteoporosis use case", "sentimentRatio": { "positive": 94, "negative": 6 }, "classification": "Primary Strength", "detail": "Strong fracture-prevention and bone density use case, often medically driven." },
    { "rank": 5, "reviews": 112, "insight": "Eco-packaging preferred over plastic bottle", "sentimentRatio": { "positive": 91, "negative": 9 }, "classification": "Primary Strength", "detail": "Compostable pouch is a genuine differentiator vs competitors in plastic tubs. Underemphasised." }
  ]
}
