How soon can I expect my order?

Once your credit card payment is successfully processed, you should receive your order within 3-5 business days. Please note that we offer free standard shipping, but shipments do not occur on weekends or US public holidays.

Which shipping method is used for my order within the US?

Within the US, orders are mostly shipped through UPS. For addresses where UPS delivery is not possible, such as PO boxes, we use USPS Priority Mail.

When and how I will get my tracing number?

After your order has been dispatched, we will send your tracking number to you via email. To ensure you receive this information, please make sure your email address is correct at checkout.

Can I place order for shipping outside the USA?

At present, we only ship to addresses within the United states of America and Canada.

Where can I buy products locally?

We do not operate physical stores, as we are independent distributors of 4Life Research. By selling directly online, we can offer competitive pricing, wholesale rates, and free shipping.

Is it possible to return items I've purchased?

Yes, we offer a 30-day return policy. To meet the requirement for the return of product, it must be necessary that the product is in genuine condition. You must also provide proof of purchase. Please contact us at info@transferfactorworld.com for more info.

What exactly are transfer factors?

Transfer factors are unique molecules that facilitate the transfer of immune information from one organism's immune system to another. Unlike vitamins or herbs, which provide nutrients, transfer factors support the immune system by sharing immune knowledge across species.

What scientific studies have examined transfer factors?

Over the past 50 years, extensive research has been conducted on transfer factors, demonstrating their role in supporting the immune system.This covers studies conducted by 4Life in addition to independent research. For detailed insights into these studies and publications, visit our Studies and Publications page.

What is the origin of 4Life Transfer Factor, and what differentiates it?

4Life Transfer Factor is origin from cow colostrum and egg yolks of chicken. This unique combination harnesses natural immune defense mechanisms, effectively supporting human immune health by sharing immune knowledge across species.

What are the methods to launch 4Life Transfer Factor items to others?

To share 4Life Transfer Factor products with others, get in touch with TransferFactorWorld to learn about the different ways you can distribute these products, 4Life offers a financial opportunity for those interested in promoting Transfer Factor to a wider audience. 

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