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Larch Arabinogalactan Purchase & Information

Alternative Names

Ara-6, Arabinogalactan, Arabinogalactine, Arabinogalactane, Arabinogalactam de Alerce, Arabinogalactane de Meleze, Arabinogalactin, Arabinogalactane de Mélèze, AG, Dietary Fiber, Fibre Soluble, Fibre Alimentaire, Gomme de Mélèze, Gmelinii, Larch Gum, Larch, Larix, Larch Tree, Lch, Mongolian Larchwood, Mélèze d'Europe, Mélèze, Mongolian Larch, Stractan, Soluble Fiber, Western Larch Arabinogalactan, Western Larch, Wood Sugar, Wood Gum CAUTION: Please refer to separate listing for Larch Arabinogalactan Turpentine

Scientific Name

Larix Occidentalis

Why Do People Use Larch Arabinogalactan?

Oral preparations of Larix occidentalis (Larch Arabinogalactan), like Larch Arabinogalactan powder, is used for the treatment of flu, common cold, pneumonia prevention, swine flu, pediatric otitis media, metastatic liver disease, adjuvant therapy during cancer chemotherapy, HIV/AIDS, immunostimulant, as a dietary fiber supplement, for hepatic encephalopathy and an anti-inflammatory agent. In foods - Larch Arabinogalactan is used in various food products as emulsifiers, stabilizers, sweeteners and binders.

Is It Safe To Use?

Likely Safe - Oral, short term and appropriate consumption of Larch Arabinogalactan is consider safe when used with various food items. Larch Arabinogalactan powder has attained Generally Recognized as Safe (GRAS) status in the United States. Oral intake of Larch Arabinogalactan supplement (30 grams, 4.5 grams, 8.4 grams or 15 grams) every day for up to six months appears to be safe. However, long term usage of Larch Arabinogalactan powder should be avoided because there is lack of authentic and unreliable information available. Avoid In Pregnancy & Lactation - Larix occidentalis should be avoided by breastfeeding and pregnant females because there is scare and insufficient information available regarding this.

How Effective Is Larch Arabinogalactan?

Hyperlipidemia - Clinical studies recommend that oral intake of Larch Arabinogalactan in a daily dose of 8.4 grams for six months or 15-30 grams for six weeks does not decrease the total cholesterol level, triglycerides, low-density lipoprotein (LDL) cholesterol, apolipoprotein A-1, apolipoprotein B (apo B), blood pressure, body weight or glucose levels in the healthy people. However, there is no confirmation if Larix occidentalis decreases the level of lipid in patients with hyperlipidemia. Pneumonia - According to clinical experiments, oral intake of particular extract of Larch Arabinogalactan (called ResistAid) in an amount of 4.5 grams with daily breakfast may increases the IgG immune reaction to the 23-valent pneumococcal vaccine but there is no affect reported in IgA, complements, white blood cells or cytokines following 51-72 days in healthy adults. However more confirmations are required to rate safety of Larch Arabinogalactan arabinogalactan for its other uses.

How Larch Arabinogalactan Works?

Larch Arabinogalactan is a polysaccharide from the bark of the Larch Arabinogalactan tree. Arabinogalactans are high-molecular weight polysaccharides found in numerous plants. In the Larch Arabinogalactan trees, there is found most elevated extracts of arabinogalactans. Larch Arabinogalactan is thought to have immunostimulatory impacts, as it enhances discharge of interferon gamma, interleukin-6 (IL-6), (TNF-alpha), interferon gamma and fortifyies natural killer and phagocytosis cell activity. Oral consumption of Larch Arabinogalactan powder and echinacea appears to improve the immune system as measured by supplement properdin; however diminishes TNF-alpha. This combination also seems to enhance quality of life assessments, as measured by SF-36 in healthy individuals. Initial studies suggest that taking a particular extract of Larch Arabinogalactan (called as Resistaid) 4.5 grams daily along breakfast builds the IgG resistant complements, white blood cells or cytokines after 51 or 72 days in healthy adults. Larch Arabinogalactan is a non-viscous and solvent fiber that improves the activity of gut. Taking 15 - 30 grams per day for six weeks may lessen fecal ammonia and increase the quantity of gut Lactobacillus. In any case, it doesn't influence the production of bowel transit time, unsaturated fat, fecal protein and fecal weight. These impacts recommend it may be effective as a dietary fiber supplement. Clinical studies demonstrate that taking 8.4 grams of Larch Arabinogalactan every day for 6 months or 15-30 grams daily for six weeks does not essentially decrease weight, triglycerides, glucose, pulse, cholesterol in health volunteers.

What Are The Side Effects /Adverse Reactions of Larch Arabinogalactan?

Oral consumption of Larch Arabinogalactan generally has no side effect. Some individuals can experience flatulence and bloating.

How Larch Arabinogalactan Interacts With Other Herbs and Supplements?

Not known.

How Larch Arabinogalactan Interacts With Drugs?

Immunosuppressants - Interaction rating between Larch Arabinogalactan powder and Immunosuppressant drugs is moderate, so be careful about this mixture. Larch Arabinogalactan may decrease the effects of immunosuppression therapy because of immunostimulant effects. Immunosuppressant drugs include basiliximab (Simulect), azathioprine (Imuran), daclizumab (Zenapax), cyclosporine (Sandimmune, Neoral), muromonab-CD3 (Orthoclone OKT3), sirolimus (Rapamune), tacrolimus (Prograf, FK506), prednisone (Orasone and Deltasone), corticosteroids (glucocorticoids), mycophenolate (CellCept) and other drugs as well.

How Larch Arabinogalactan Interacts With Foods?

Not known.

How Larch Arabinogalactan Interacts With Lab Tests?

Not known.

How Larch Arabinogalactan Interacts With Diseases and Conditions?

Autoimmune Diseases - Larch Arabinogalactan powder appears to stimulate immune function. Larch Arabinogalactan may worsen autoimmune diseases by increasing the activity of immune system. So patients with systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), multiple sclerosis (MS) and other autoimmune disorders should use it with caution. Transplant Recipients - Larch Arabinogalactan may build up the possibility of rejection because of its immunostimulant effects. So patients are advised to avoid taking Larch Arabinogalactan until more is known.

What Should Be the Dose/Administration of Larch Arabinogalactan?

ORAL For the treatment of colds and flu, one teaspoon of Larch Arabinogalactan powder in water or juice is often taken 2-3 times on daily basis. For the treatment of pneumonia, consumption of 4.5 grams on daily basis has been used in mixture of the pneumonia vaccine.


Most commercially available Larch Arabinogalactan is made from Larch Arabinogalactan occidentalis (western Larch Arabinogalactan), but it can also be obtained from Larch Arabinogalactan tree species.

General Certificate of Analysis (COA)

Specification sheet links below are a standard copy of the COA less the batch or lot number and manufactures dates. Specification sheet can be dated and should only be considered as a general information. Please contact and request an up to date COA if needed for specific updated information before placing order by filling out the contact form with product name and SKU number. If ordering quantities of twenty five kilos or more contact for availability.

Specification Sheets

Larch Arabinogalactan Powder


These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.

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