We noticed that you may be viewing latvia.4life.com from a different country. To get the best experience we suggest double checking that you're on the website closest to you.

4Life Transfer Factor Core Products

Top-selling product with ingredients for the immune system

Shop All
When you have a strong immune system, your body can fight back against the threats you face every day and live your life to the fullest. That's why so many people rely on 4Life, The immune System Company.

Recognize, Respond, Remember

Our immune system is a complex interactive network in our body. It consists of cells, tissues and organs, which together protect the body against viruses, bacteria or fungi, ensuring our body’s optimal functioning.Ther immune system is in charge of identifying these potential pathogens, neutralizing them to make them harmless, and finally eliminating them from the organism.

4Life Transfer Factor Products

4Life Transfer Factor Classic helps your immune system recognize, respond to, and remember potential health threats. It contains 4Life Transfer Factor® (immune system messenger molecules) from cow colostrum to help educate immune system cells.*

4Life Transfer Factor Tri-Factor Formula offers more broad-based immune system support through a proprietary combination of UltraFactor from cow colostrum, OvoFactor® from chicken egg yolks, and NanoFactor® mini molecules.

4Life Transfer Factor Plus Tri-Factor Formula combines the power of Tri-Factor® Formula with a proprietary immune system boosting blend (shiitake, maitake, agaricus, and cordyceps) and zinc to more effectively help your immune system.*

Shop

4Life Transfer Factor Chewables

4Life Transfer Factor Chewable Tri-Factor offers a twist on Tri-Factor Formula in the form of a citrus cream tablet.

Shop Chewables

RiteStart

RiteStart is a very complete product formulated with 38 ingredients including vitamins, minerals to support the immune system, Omega 3 and Omega 6 fatty acids, plant extracts, exclusive combination of mushrooms and the Tri-Factor formula. RiteStart products help you look and feel great.

Shop RiteStart

RioVida

4Life Transfer Factor® RioVida® Tri-Factor® Formula is the only dietary supplement in the world that combines the immune system benefits of 4Life Transfer Factor with antioxidant-rich superfruits like açaí, pomegranate, blueberry, elderberry, and grape. This intense concentration of active ingredients provides education that supports the body’s ability to maintain everyday health and energy.*

Shop RioVida

Certified 4Life Transfer Factor Guarantee

At 4Life, we’ve made a commitment to uphold the highest standards of product quality. We certify all 4Life Transfer Factor products and will always strive to create products of the utmost quality and efficacy. We pledge to uphold the product design and manufacturing for every product we sell. When you purchase 4Life Transfer Factor products, you can rest assured that you’re getting the very best. In fact, we guarantee it. View the 4Life Transfer Factor guarantee.

Identity

Prior to using each raw material, we perform testing to certify raw ingredient suppliers, validate the proper identity of each ingredient, verify that the finished product conforms with a previously approved reference standard, and ensure the finished product is of the highest quality.

Purity

Each raw material and finished product is put through a series of extensive safety tests for contaminants and adulterants, including pesticides, heavy metals, and microbiological organisms.

Strength

Our quality and analytical teams perform strength and potency testing on all ingredients and finished products to ensure our specifications are met from the moment we release a product and through its expiration date.

Composition

Each ingredient is weighed and measured properly and each batch is manufactured according to the product specification guidelines and formulation. Lastly, we compare each batch produced to standards set by the 4Life Research and Development department.