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critical Reason Code 271 / 375 / 376 / 8388 - Supplement risk

Supplement Presents Health Risk

What this means

Microsoft does not allow advertising for supplements where the product may present significant health risks. This includes weight-loss, muscle-building, and unverified herbal products.

Why this happens

Ingredients on Microsoft's restricted list (DMAA, ephedra, kratom, SARMs), aggressive weight-loss claims, anabolic-style muscle products, or unproven nootropics. Code 8388 specifically targets supplements in Audience Ads where rules are tighter than Search.

How to fix it

  1. Remove restricted-ingredient SKUs from feed entirely
  2. Replace efficacy claims with structure-function language compliant with FDA
  3. Submit ingredient panels with appeal for legitimate vitamins
  4. Separate weight-loss and bodybuilding product types from main feed

Common pitfalls