Returns Policy

Damaged Goods:
If upon receipt goods are found to be in some way damaged in shipping MD Science Lab will replace said goods.

To return these goods the purchaser must have a copy of their invoice (or invoice number).  Contact customer service at 954-725-5502 or by email at  The customer/client is responsible for inspection of the received goods and requesting a return in a timely manner.

Please be sure to repack the goods in an acceptable method if the original packaging was damaged during shipping.  Returns processing may take up to 10 business days from the time your return is received at our warehouse.


Defective Goods:
Unless otherwise specified, we gladly accept DEFECTIVE EXCHANGES on all non-expired products. We shall have sole discretion as to the credit method. We may either issue a credit or ship a replacement product. Credit will not be issued without a copy of the invoice (or invoice number).  Shipping for the return may be credited depending on the type of defect and each case is judged on a case by case basis depending on the type of defect.

Non-Defective Goods:
We accept NON-DEFECTIVE returns.  Goods received by the customer that do not meet their expectations can be exchanged for goods or returned for credit.  The unused portion of these goods must be returned within 30 days of receipt by the customer/client.  All NON-Defective returns are negotiated on a case by case basis.  Such returns will be processed within 10 business days from the time your return is received at our warehouse.  We do not credit shipping.  Shipping on all returns will be at the customer’s expense for all Non-Defective items.

Shipping Policy accepts orders 24 hours a day, every day of the week. Orders are processed in the order they are received and expedited shipping orders, such as Priority and Express shipping, are elevated in priority to meet the delivery deadline. All orders are shipped from our location in Pompano Beach, Florida. We only ship to the 50 U.S. states.

Orders placed are usually processed and shipped within 2 business days from the time the order is placed. Priority and Express orders placed before 5:00 PM EST will be processed and shipped out the next business day.  Orders placed from Friday to Sunday will be processed the following Monday and shipped within 2 days. USPS does not pick up or deliver on weekends.

**Due to the high volume of orders during holiday season you may experience extended processing time up to 7 business days.**

We currently do not ship to APO or FPO address. Orders that contain a different shipping address from billing address may be subject to review, in which case the customer will be contacted. This can delay shipping time. cannot guarantee expedited shipping when an order is placed on hold for review. Tax rate is based on the shipping address and not the billing address.

Lost or Stolen Packages

– If the package shows delivered to your address but is missing you must report the lost to us within 2 weeks of placing your order. Once you have reported your lost package, we will launch an inquiry with our carrier about the lost package and attempt to have it recovered. If the carrier declares the package to be a complete loss, we will reship your order to you at no charge if stock is available.
– We are not responsible for packages that are delivered to a wrong address due to an incorrect or incomplete shipping address provided by customer.


Refused Package

If your package cannot be delivered, is unclaimed, or is refused, you are responsible for the following:
• Original and return shipping costs.
• 10% restocking fee.

The amount of these charges will be subtracted from your merchandise refund.