
Your Amazon marketing won't work if your logistics aren't built for 3P. Here's why.
5 logistics realities supplement brands learn when they move from 1P to 3P on Amazon:
1. Inbound lead times determine your promotional calendar
- On 1P Amazon controls replenishment
- On 3P you control when inventory hits the FC
- If your 3PL can't turn inbound fast, you miss your own launch windows
2. Powder SKUs require purpose-built receiving
- Supplement brands deal with compliance labeling, fragile seals, and strict Amazon inbound requirements
- Generic 3PLs fail at this category repeatedly
- Getting it wrong means stranded inventory and suppressed listings
3. IPI score is your brand's health metric on 3P
- Inventory Performance Index directly affects your storage limits and visibility
- Poor inbound planning tanks your IPI
- Brands that manage replenishment tightly protect their ranking
4. Canada requires a completely separate logistics setup
- You cannot run Canadian Amazon off your US 3PL without intentional cross-border infrastructure
- Customs, labeling requirements, and FC locations are different
- Most supplement brands leave Canada underdeveloped because the logistics weren't built for it
5. FBA compliance errors compound fast in supplements
- Wrong label placement, incorrect case pack quantities, missing lot codes
- Amazon will reject the shipment or charge disposal fees
- At volume this becomes a significant cost and a fulfillment gap
The brands winning on Amazon 3P treat logistics as a marketing function.
What's been the hardest logistics challenge in your 3P transition?

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