Choose the lot on purpose
Because inventory is visible down to the lot, you can decide which lots go to Amazon and which stay for direct-to-consumer orders, instead of finding out afterward.
Amazon FBA Prep for Supplements
Expiration-dated product, labeled and prepped the way Amazon expects it, from the same stock that serves your own store.
Supplements Are the Hard Case in FBA Prep
A supplement ASIN carries an expiration date, often ships as a multipack, and gets checked on arrival. The prep has to be right before the carton leaves the dock, because the fix after Amazon rejects a shipment is slow and expensive.
Expiration date labeling
Expiration date labeling is part of our FBA prep, alongside the lot and expiration record we already hold for every unit.FNSKU labeling and barcode verification
Labels applied and verified by scan, so the unit Amazon receives is the unit it expects.Poly bagging with suffocation warnings
Compliant bagging for loose units and multipacks.Bundles and multipacks
Kitting and bundling, case-packed and mixed-ASIN shipments.Carton and pallet prep
Carton forwarding, pallet prep and labeling, Amazon routing compliance, and SPD and LTL shipment prep.
What OC3PL does:
One Inventory Pool for Amazon and Your Own Store
Prep is one job. Deciding which lot goes where is the other.
Check Amazon’s shelf-life rule first
Amazon sets its own minimum remaining shelf life for dated products and changes its requirements. Confirm the current rule in Seller Central before each shipment plan, and tell us the cutoff date to pick against.
Same stock, both channels
Your storefront and your Amazon listings draw from one pool, so a replenishment to Amazon does not strand stock your own customers are ordering.
Why shipments get rejected
Missing FNSKU labels, incorrect carton labeling, overweight boxes, missing suffocation warnings, mixed inventory errors and pallet configuration problems.
Common Questions
Yes. FBA prep at OC3PL covers FNSKU labeling, poly bagging with suffocation warnings, expiration date labeling, kitting and bundling, case-packed and mixed-ASIN shipments, carton forwarding, pallet prep and labeling, barcode verification, Amazon routing compliance, and SPD and LTL shipment prep.
Amazon sets that rule and updates it, so we do not quote it here. Check the current requirement for your category in Seller Central, then give us the cutoff date. Because we hold the expiration date for every lot, we can pick only lots that clear it.
Yes. Case-packed inventory, kitting and bundled products are supported, with barcode verification and quality control checks before anything ships, so the correct labels and quantities are confirmed first.
Yes. Orders from your store and replenishment to Amazon come out of one inventory pool in one warehouse system.
No. OC3PL has no order minimums and no long-term contract. Workflows scale from simple FNSKU labeling to bundled shipments and palletized freight.
Related Reading
More detail, in OC3PL’s own guides.
Supplement Fulfillment at OC3PL
The overview: what we handle, how product moves through the building, and every supplement guide.
Amazon FBA Prep Services for eCommerce Brands
OC3PL provides fast, Amazon-compliant FBA prep services for eCommerce brands. Labeling, bundling, poly bagging, carton forwarding, and rapid turnaround.
Amazon FBA Prep Services in California
OC3PL's Amazon FBA prep services from Southern California cover compliant labeling, packaging, and Seller Central integration with fast turnaround.
Amazon Integration & FBA Prep
How OC3PL connects to Amazon for FBA prep, FBM order fulfillment and inventory sync, with the FBA prep detail OC3PL already publishes.
Multichannel Fulfillment From One Inventory Pool
Running a storefront and two marketplaces from one stock pool: how allocation works, what breaks when you split inventory per channel, and what to confirm before you do.
Marketplace Fulfillment: eBay, Walmart and Etsy
Selling on marketplaces means being measured on how you ship. How OC3PL connects to eBay, Walmart Marketplace and Etsy, and what each connection requires.
Custom Kitting and Assembly
Simplify your custom kits, bundles, and subscription boxes with OC3PL’s Custom Kitting and Assembly process designed for efficient, accurate fulfillment.
Send Us Your ASIN List
Tell us which ASINs you send to Amazon, how they are packed, and how often you replenish.