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The GI tract is a set of organs primarily responsible for digestion of foods and subsequent absorption of nutrients. Foods first enter the oral cavity and then pass through the stomach and then into the small intestine followed by passage into the large intestine. After entering the small intestines from the stomach, foods will be digested and broken into small molecules such as amino acids, glucose, fatty acids and other nutrients, etc.

These small molecules are absorbed by mucosal tissues and eventually enter the circulatory system for transport to distant tissues(2). While most people only associate the GI with digestion and absorption of nutrients, it has many other important functions. Not only does the GI absorb all the necessary nutrients from food, but it also possesses the ability to recognize, inhibit and kill pathogens effectively(3), thereby preventing infection. In addition to digesting foods, the intestinal tract is also one of the important immune organs in the human body. 60~70% of the body’s lymphocytes are located in the intestinal tract within reticular structures known as gut-associated lymphoid tissue (GALT).

GALT includes tissues such as including lamina propria, Peyer’s patches and mesenteric lymph nodes. GALT prevents pathogens in the intestinal tract from translocating and invading the blood stream. Immune system cells concentrated in the GALT, such as macrophages, T cells, NK cells and B cells, as well as the immunoglobulin A (IgA) secreted into the intestinal tract, all function to protect the intestinal tract from infection(4).

Unfortunately, the effectiveness of the human immune system can often become compromised due to external environmental factors, which can lead to infectious intestinal diseases such as gastroenteritis, and diarrhea along with inflammatory diseases such as ulcerative colitis and Crohn’s disease(4). Once the immune system becomes compromised and imbalanced, the body becomes susceptible to such intestinal diseases. These diseases may relapse at intervals and be difficult to cure completely until immune balance is restored.



Fig. 1. Typical changes in intestinal bacteria populations in ordinary people from birth to old age(4).

There are more than 500 species and over 100 trillion bacteria in the intestinal tract, including good bacteria and bad bacteria, both of which compete with each other, forming a dynamic equilibrium (Figure 1)(4). Many medical studies point out that when populations of intestinal bacteria become imbalanced, the risk of many adult diseases such as arteriosclerosis, Alzheimer’s disease and malignant tumor will increase accordingly, leading to significant degeneration of physical function and a decrease in overall health index.

Disequilibrium of intestinal bacteria in cancer patients is very common and is often caused by the use of chemotherapeutic drugs and radiation therapy rendering the patients more susceptible to intestinal infections, food poisoning and other infections(5).


The unique and proprietary process used to manufacture S100 Milk ensures that it contains an abundance of specific antibodies against a variety of human pathogens, and that the activity of these antibodies and other bioactives is maintained. Because bioactives are enhanced and preserved by the process, S100 Milk is a natural and safe functional food. S100 Milk effectively inhibits the growth of bad intestinal bacteria(8), reduces infection, enhances the growth of good bacteria and promotes the maintenance of healthy intestinal flora. What’s more, S100 Milk also promotes Peyer’s patches of the GALT to up regulate the secretion of IgA into the GI, enhancing the ability of the intestinal tract to defend against bad bacteria(6) .

Immune today, healthy everyday.

These statements have not been evaluated by the Food and Drug Administration.

The products mentioned here are not intended to diagnose, treat, cure or prevent any disease.