We strive to maintain full inventory across all of our products. However, from time to time, certain items may be temporarily out of stock due to manufacturing schedules, delays in sourcing specific ingredients or raw materials, quality assurance processes, or other supply chain factors that are outside of our control.

If a product you're looking for is currently unavailable, please feel free to contact our Customer Support team. We'd be happy to add you to our notification list and let you know as soon as the product is back in stock.

Dietary supplements do not require a prescription to purchase or import for personal use, as they are not prescription medicines under Australia's Pharmaceutical Benefits Scheme (PBS).

To help ensure compliance with Australian import requirements, we limit orders to a maximum of 3 bottles of the same product per order.

You can request third-party lab test results by contacting our Customer Support team below or by emailing sales@mydfx.com.au.

Our welcome discount code is available exclusively to first-time customers and is valid on orders with a minimum spend of $80. If your order total is below $80, or if you have previously placed an order with us, the discount code will not apply.

If applying the discount reduces your order total below $80, your order will no longer qualify for free shipping, and standard shipping charges will be applied at checkout.

Your order confirmation email serves as your tax invoice and includes all the details of your purchase.

While we can't guarantee a specific expiry date, we carefully manage our inventory to ensure products have a sufficient shelf life for normal use.

Yes. We continue to stock a range of melatonin supplements for adults and have no plans to discontinue them. While some retailers have chosen to stop selling melatonin products, they remain available for purchase through MYDFX.

Please note that we do not currently stock melatonin products formulated or marketed for children.

Once your order has been dispatched, we'll send you a confirmation email containing your tracking number and a link to track your parcel.

Please note that while your tracking number is issued when your order is dispatched, tracking updates may take 48–72 hours to appear as the parcel is processed through the courier's network.

You can also track your order using the link here.

Please check your spam or junk folder, as your confirmation email may have been filtered there.

If you still can't find it, please verify that your order was successfully placed and that payment has been processed by your bank or payment provider.

If you need further assistance, our friendly Customer Support team will be happy to help. We can confirm your order details and resend your confirmation email if required.

If you've received a damaged or faulty product, please contact our Customer Support team at sales@mydfx.com.au within 30 days of purchase.

To help us investigate the issue as quickly as possible, please include:

• Your order number and contact details.
• Photos of the faulty or damaged product.
• Photos of the packaging the product arrived in, including the shipping box or satchel.
• A photo of the packing slip included with your order.

Once we've reviewed the information, we'll work with you to find the best resolution. If your request is approved, we'll arrange a replacement, a full refund, or store credit, depending on the circumstances. If a return is required, we'll provide a prepaid return shipping label at no cost to you.

If you need to cancel or make changes to your order, please contact our Customer Support team at sales@mydfx.com.au as soon as possible.

As we aim to dispatch orders quickly, there is only a very short window in which we may be able to edit or cancel an order. Our Customer Support team is available Monday to Friday, 8:00am–4:00pm AEST.

If your order has already been dispatched, we are unfortunately unable to cancel or amend it. However, once your order has been delivered, you are welcome to contact us to discuss your return options.

Some products are available exclusively from our USA warehouse due to Australian regulatory requirements governing the importation and storage of certain dietary supplements. Shipping these products directly from the USA allows us to offer a broader product range while complying with Australian regulations.

We currently ship within Australia and to New Zealand.

Unfortunately, we're unable to add special delivery instructions to orders. If it's safe to do so, Australia Post may leave your parcel in a secure location. If a safe place isn't available, your parcel will be taken to your local Post Office for collection.

Dispatched from Australia:

• Defense Soap
• Ellips
• Foligain
• Walker Tape
• Sports Research Fitness Items

Dispatched from USA:

• ChildLife
• Double Wood
• Healthy Origins
• Natrol
• Now Foods
• Sports Research Supplements

We no longer accept PayPal due to changes in their terms, fees, and merchant policies. Unfortunately, these changes made it no longer practical for us to continue offering PayPal as a payment option.

We understand that PayPal is preferred by some customers, and we apologise for any inconvenience. Secure alternative payment options are still available at checkout.

All prices on the MYDFX website are displayed in Australian Dollars (AUD).

You can contact us below or by emailing us at sales@mydfx.com.au.

Our Customer Service team is available to answer any questions Monday–Friday between 8:00am and 4:00pm AEST.

Alternatively, leave us a message via email or our contact form and they will get back to you within 24-48 hours.

At this time, we do not offer wholesale purchasing or distributor partnerships. All products are available exclusively through the MYDFX website.

No. MYDFX is an online retailer, so we don't have a physical retail store. All orders are placed through our website and delivered directly to your door.