Multi-region food labels (EU + US + India + AU) on one Magento — how?

The trick is one master attribute set, multiple regional render templates. Setup:

• Master attribute set ~30–40 attributes covering nutrition (energy kJ + kcal, fats, saturates, carbs, sugars, added sugars, fibre, protein, salt, vitamins, minerals), allergens, ingredients, country-of-origin, packaging dates, regulatory codes (FDA SKU, FSSAI licence, EU producer code, FSANZ supplier).
• Per-store-view render templates:
  • US store view (`en_US`) — FDA 2016 Nutrition Facts panel template (the bordered black box).
  • EU store views (`en_GB`, `de_DE`, `fr_FR`, `nl_NL`) — EU 1169/2011 Nutrition Declaration table (per 100g/100ml + per portion if relevant), allergens bolded in the ingredients list.
  • India (`en_IN`) — FSSAI block (logo + 14-digit licence number) + Veg/Non-Veg green/brown dot + nutrition per 100g.
  • Australia (`en_AU`) — FSANZ Nutrition Information Panel (different "average quantity per serving / per 100g" structure, slightly different mandatory fields).
• Allergen filters on category + search render uniformly across all stores via Magento layered nav — "gluten-free / nut-free / dairy-free / vegan" tags map to the master allergen attributes.

Updates — when FDA pushes new compliance dates or EU adds a mandatory field (e.g. UK FSA "Natasha’s Law" PPDS rules), you update one template, not 5,000 product descriptions. This is the architectural lever Magento gives you that Shopify-with-apps doesn’t — the per-store-view template inheritance.