Shipping & lead times

In stock: ships the same business day before 1pm ET. Out of stock: ships in 3 calendar days. Choose your delivery service and see the total before you pay.

When your order leaves

In stockOrders confirmed before 1pm Eastern on a business day ship that day. Orders after the cutoff ship the next business day.

Not in stockCatalog items ship in 3 calendar days. The three-day preparation time includes weekends and holidays.

Mixed ordersYour order ships together when every item is ready. If the quantity you order exceeds stock on hand, the order ships in 3 calendar days.

Carrier transitTransit starts after dispatch. Checkout shows the carrier’s estimated transit time separately from the time needed to prepare your order.

One shipping total

Enter your delivery address at checkout to see shipping options. We combine bottles across products to use fewer boxes. Choose a service and review the total before paying on the same page.

Product prices are public and the same for every lab. Choose 1, 6, 12, or 24 bottles. Bulk savings are published for everyone. No need to negotiate—you’ll always get our best prices. Shipping is shown separately before payment.

Ambient products ship in cartons. Products marked for cold-pack shipping use insulated packaging and refrigerant; checkout offers services with estimated transit of two business days or less. Store each product as directed on its label when it arrives.

For international destinations or orders that need a separate shipping quote, contact us with your address and the products you need.

Local delivery, coffee on us

If your address is less than a 40-minute drive from Cambridge, MA, choose free local delivery at checkout. We’ll hand-deliver your order and buy you a coffee.

Eligibility is checked using the drive time to your address. We’ll contact you to arrange a visit once your order is ready. Local delivery has no shipping charge.

Delays or damaged deliveries

If your dispatch date changes, we’ll email you with the new date. You can cancel before dispatch for a full refund.

If a cold-chain product arrives warm, a dry-ice product has thawed, or all the dry ice is gone, photograph the packaging and shipping label, keep the product at its labeled storage condition, and contact us within 5 business days with your order and lot numbers. We will arrange a replacement. For other damage or delivery issues, see Returns & guarantee.