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Larch Tree (Larix laricina) Extract Probiotic / Bifidobacteria / Lactobacilli
100g (3.53 oz) Powder

Arabinogalactans from larch trees are water-soluble polysaccharides that promote the growth of probiotic bacteria such as Lactobacilli and Bifidobacteria in the intestines, which are important for GI Tract health.* The Larch Tree Extract powder in this product is Immune Enhancer™ AG from Larex, Inc.

Availability: In stock



A larch tree extract supplement to support the immune system function and microflora balance in the G.I. tract.*
Arabinogalactans have long been used as a dietary fibre and have recently been shown to significantly boost the immune system. So what exactly is an arabinogalactan (AG) and where does it come from? Well, arabinogalactans, in general, belong to a group of carbohydrates called polysaccharides and these are known to offer numerous health benefits. While they are abundant in a wide range of plants, they are most commonly sourced from the western larch tree (larix species), thus larch arabinogalactan is what is readily available in supplement form.

Larch AG is thought to stimulate the immune system in several different ways and by doing so it provides excellent protection against viral and bacterial infections. Larch AG acts as a food supply to friendly intestinal bacteria, making it what we call a “prebiotic”. Thus when consumed it has a positive effect on the microflora in your gut. It does this by providing substance for the microflora to ferment, resulting in the production of short-chain fatty acids (SCFAs) such as butyrate and propionate. These SCFAs are critical to the health of the colon. They protect the intestinal lining against health issues by providing the main energy source for the colonic cells and increasing beneficial bacteria such as bifidobacteria and lactobacillus. Larch AG is essentially a wonderful way to balance the microflora protect the gastrointestinal tract in general. Since the majority of the immune system resides in the gastrointestinal tract, this is one of the mechanisms in which Larch AG is able to boost the immune system.

Arabinogalactan Powder

  • Promotes healthy gut flora.
  • Twice as potent as Echinacea.
  • Dietary fibre supplement for maintaining gastrointestinal health.
  • Supports healthy immune function.
  • Liver support.
  • Supports Colon Health.
  • Promotes natural killer cell and macrophage activation.

Arabinogalactans from Larch Tree Extract

Arabinogalactans from Larch Tree Extract are a good source of fibre. They have a variety of beneficial effects on the body, like helping balance the immune response. Arabinogalactans are 2 times more potent than Echinacea and support the growth of friendly probiotic bacteria. They are non-allergenic.

Immune System Support 

  • Arabinogalactans support a balanced immune response and insulin levels within normal ranges.
  • Arabinogalactans support immune cell activation and healthy cell replication.
  • Arabinogalactans promote natural killer cell and macrophage activation.
  • A healthy immune system can also counter the negative effects of free radicals that are produced in the body in response to stress, pollutants, toxins and from normal cellular processes.

G.I. Tract and Colon Health

  • Arabinogalactans work in the GI tract by activating immune cells.
  • Arabinogalactans support colon health by acting as a fermentable fibre to promote growth of probiotic bacteria such as Lactobacillus and Bifidobacteria in the colon.
  • Arabinogalactans contribute to healthy microflora levels that are important for GI tract health.

Support the immune system function and microflora balance in the G.I. tract


The Power of Arabinogalactans

Approved by the FDA as both a food and a dietary fibre, Larch AG is considered a safe and effective immune stimulating supplement. Due to its effect on the microflora in the gastrointestinal tract, its only side effects are mild bloating and flatulence, but these are usually short-lived and are only experienced by a small percentage of people. It can be taken daily to improve gut health and to boost immunity or it can be taken during acute illness. Its mild taste and excellent solubility in water and juice make it a wonderful immune supplement for children as well as adults.

Arabinogalactans have a variety of beneficial effects in the body. They increase the production of various cytokines, which are chemicals the immune system uses for cell to cell communication. The end result is increased activity of immune cells against tumours, viruses and bacteria. 

Arabinogalactans inhibit the ability of toxic bacteria to adhere to the intestinal wall, thereby preventing infection. Another beneficial effect produced in the intestinal tract results from beneficial bacteria feeding on this compound. Arabinogalactans are not broken down by human digestive processes, but they are a food for bacteria that normally reside in the intestinal tract. The metabolic by-products produced from the bacterial breakdown of arabinogalactans are called short-chain fatty acids. These fatty acids are very important to overall health as they serve as the primary fuel source of the cells lining the colon. 

The active ingredient in Potent Health Products

how to use arabinogalactan UK

Found in Medicinal Mushrooms and SuperNatural Herbs

Arabinogalactans are one of the active ingredients of medicinal herbs such as Echinacea, Astragalus, and Shitake mushroom. However, only about 4% of the dry weight of these herbs are comprised of arabinogalactans. One teaspoon of 100% pure arabinogalactan powder is equivalent to about 12 ounces of Echinacea tincture! 

Supplemental arabinogalactan powder is derived from an evergreen tree called the Western Larch. It has a mild pine odour, sweetish taste, and dissolves very readily in water or juice. The effectiveness of arabinogalactans can be enhanced by simultaneous use of potassium iodide and antioxidants, such as vitamin C. The usual dose of arabinogalactan for children is one-half to one teaspoon, and for adults, one to three teaspoons. It is approved by the FDA as a food additive and animal studies have found it to be fantastically non-toxic.

The only instance we are aware of where it should not be used is in cases of active tuberculosis. It is used by some people for prevention - to keep the immune system healthy. Like the immune augmenting herbs, it may be best to periodically halt arabinogalactan supplementation to avoid it losing its effect. Such a regime might consist of two months of supplementation interrupted by two weeks of not using it. Use of arabinogalactans should not be considered a replacement for consulting a qualified healthcare professional. However, in our opinion, strengthening the immune system can only increase the effectiveness of other treatments.

Experience the Power of Larch Tree Extract - Order Today



  • Larch Tree (Larix laricina) Extract: 5,000mg.
  • Yielding: 85% Arabinogalactans: 4,250mg.


  • As a dietary supplement, mix 1 (5g) scoop daily in 8 oz. of juice or water.
  • Daily amount can be divided between AM and PM.

NOTE:  If pregnant or nursing, consult your healthcare practitioner before taking this product.



  • Brand: Food Science.
  • Form: Powder.
  • Container: BPA FREE Plastic Bottle.  
  • Storage: Keep out of reach of children. Store in a cool, dry place. If inner seal is broken, do not use.
  • Estimated shelf life from purchase: 1 - 2 years.


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