San Francisco's vitamin d supplements aisle is a niche shelf with only a handful of brands: 3 products from 2 brands across 1 grocer. solgar owns the most shelf — 67% of SKUs, ahead of garden of life. The shelf leans gluten-free — 33% of SKUs carry that claim. Verdict: niche — a boutique shelf — only a handful of brands (opportunity 63/100).
brands by share of the vitamin d supplements shelf.
the claims products on this shelf lead with — share of SKUs carrying each.
store-brand share: 0% · scores 0–100.