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MaitakeGold 404 is extracted exclusivley from organic complaint mushrooms grown by the Yukiguni Maitake Company of Japan.

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MaitakeGold 404

Organic Complaint
Patented Maitake Extract
1,200mg of Patented Maitake Extract per oz


MaitakeGold is a potent Maitake extract developed by Dr. Hiroaki Nanba, PhD., the inventor of Maitake Fractions. MaitakeGold represents such a significant improvement in Maitake formulation that it was recently granted a U.S. Patent (U.S. Patent # 5,854,404). The only Maitake fraction that carries Dr Nanba's personal endorsement, MaitakeGold 404 is extracted exclusively from certified organic compliant mushrooms grown by the world's leading grower of Maitake mushrooms, the Yukiguni Maitake Company of Japan.

How Supplied

1,200 mg of standardized extract per liquid ounce


Tonic Immune Support, Serious Immune Challenges, Ideal formulation for those people experiencing difficulty swallowing capsules.

Instructions For Use

Shake well before using. As a dietary supplement take 4 drops twice a day on an empty stomach. Note: For maximum immune support,* dosage can be increased to .5 mg to 1.0 mg per kilogram of body weight per day. One drop contains 1.43 mg. (To convert pounds to kilograms, multiply weight in pounds times 0.45.)

Toxicity, Cautions, Contraindications

The polysaccharides in Maitake are considered to be safe and nontoxic. However, immuno-modulating substances should be avoided completely in organ transplant patients utilizing immuno-suppressive agents.

Clinical Research

The research on Maitake fractions has focused primarily on immuno-modulating properties.* Although no controlled human clinical studies have yet to be completed , the results of the in vitro research and uncontrolled human clinical research suggest significant immuno-modulating properties including activation of Natural Killer cells and cytotoxic T-cells.*1, 2

Active Constituents

Protein-Bound Polysaccharides (1-3,1-6 branched beta glucans)

Extraction Information

The patented Maitake Fraction contained in MaitakeGold is extracted from the fruitbody using hot-water extraction, then further purified through precipitation with alcohol.3


1. Mayell, M., Maitake Extracts and Their Therapeutic Potential. Altern Med Rev 2001; 6:48-60.
2. Nanba, H., Maitake D-Fraction Healing and Preventing Potentials for Cancer. Townsend Letter for Doctors & Patients 1996 Feb/March; 84-5.
3. Nanba, H., Keiko, K., U.S. Patent #5,854,404. 1997.

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