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Are you also curious? In this post, we answer a customer's question: Can you tell me what the circle symbol on American 4Life Transfer Factor products means and why it is different in Europe?

In this article, we respond to a frequently asked question about whether Transfer Factor food supplements can be used while taking antibiotics. We share distributor experience and general customer feedback from over 20 years – always keeping in mind that dietary supplements are not a substitute for professional medical advice.

After registering in the 4Life network, you will have access to the lowest possible prices for 4Life Transfer Factor products. Straight from 4Life! Almost from anywhere in the world :) Registration also allows you to earn money by recommending products.

Our joints are active every day—not only during movement but even when we're sitting or sleeping. Their condition depends on various factors: genetics, physical activity, lifestyle, nutrition and immunity.

Is 4Life Transfer Factor Classic suitable for those sensitive to cow’s milk protein? Learn how this supplement is made, what it contains, and what our customers report about its tolerance.

Nine years after its founding in the USA, 4Life (4Life Research) officially entered the European market. Thanks to this, its bestsellers: Transfer Factor Classic or Transfer Factor Plus are here available immediately to everyone.

Support mental focus, nervous system function, and muscle performance as you age. With magnesium and traditional ingredients like Bacopa and Ginkgo, Transfer Factor Recall helps active seniors maintain cognitive and physical vitality every day.

4Life Transfer Factor products from the USA are available in many countries around the world. Although their labels may differ from those in the US, the key ingredient remains the same. Read more about it.