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Doctor's Best - Best Red Yeast Rice 600 mg. - 120 Vegetarian Capsules

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    Doctor's Best - Best Red Yeast Rice 600 mg. - 120 Vegetarian Capsules

    • Code#:71612
    • Manufacturer:Doctor's Best
    • Size/Form:120  Vegetarian Capsules
    • Packaged Ship Weight:1
    • Servings:120
    • Dosage Size:1  Capsule(s)

    Doctor's Best - Best Red Rice Yeast Rice 600 mg. - 120 Vegetarian Capsules

    Doctors Best Best Red Yeast Rice contains rice that has been naturally fermented with red yeast (Monascus purpureus) according to traditional methods. Produced in the U.S., Doctors Best Red Yeast Rice is similar to red yeast rice that has been used in culinary applications in Asia since at least 800 A.D. Doctors Best Red Yeast Rice is considered beneficial for adult men and women when taken as part of a lifestyle program that includes regular exercise and a healthy diet.

    • Science-based nutrition
    • Dietary supplement
    • Benefits adult men & women as part of a healthy lifestyle plan


    Can I eat grapefruit or drink grapefruit juice while taking Red Yeast Rice?
    Grapefruit and grapefruit juice can enhance the effects of Red Yeast Rice and significantly increase blood levels, increasing the risk of side effects and liver damage. Because red yeast rice may act similarly in the body to statins, you should avoid drinking grapefruit juice or eating grapefruit or marmalade while taking red yeast rice.

    Can Best Red Yeast Rice be taken before having surgery?
    Since the active ingredients in Red Yeast Rice may interact with certain medications, it is best to avoid taking this product for at least a few days before having surgery.

    Is there any interaction between Red Yeast Rice & Coumadin?
    There is no known interaction between red yeast rice and coumadin, or any other blood thinner.

    I read an article that stated that most of today’s Red Yeast Rice supplements contain the mycotoxin citrinin in them as a byproduct of the fermentation process. What assurances are there that citrinin is not in the product that I have purchased?
    Doctor's Best tests for citrinin. They test in the parts per billion (ppb's) and it comes up non detectable. This is because they utilize a strain that produces extremely low levels of citrinin.

    If I’m sensitive to Black Pepper, can I take BioPerine?
    In very rare instances, only someone will be found to be sensitive to BioPerine.
    BioPerine is a high purity compound extracted from black pepper and practically devoid other compounds of black pepper, which like safarole, are contributing to the controversy of black pepper being carcinogenic. Piperine is not a carcinogen, and at purity level of minimum 98% (BioPerine) it should not pose any concerns related to black pepper or black pepper extract (see toxicology section in our book on BioPerine).
    Those people who are allergic to spices, like peppers, ginger, turmeric, should use piperine containing products with caution. The same is true with any allergen, e.g. milk products should be avoided by those allergic to milk.
    The advice of nutritionists to avoid consumption of black pepper in large quantities does not prevent from obtaining benefits from 5 mg of piperine corresponding to 50 mg of black pepper (9%-10% content in raw black pepper). Especially, that our society is on average consuming daily black pepper related products in an average dose of 15-30 mg (calculated from raw black pepper in various foods) of piperine per day!!! The key for patented mechanism of piperine is to be "at the right time at the right place". In other words, to do the job of "nutritionist on call" and disappear.

    I have heard that black pepper causes Prostate problems, will BioPerine do the same?
    BioPerine is an extract of black pepper. Used in supplements, the quantity ingested is very small. Doctor's Best usually uses 1.5 to 5.0 mg per capsule or tablet. Limited studies indicate that Bioperine taken in very large amounts – in the order of magnitude of grams per day (there are 1000 mg in one gram), could lead to intestinal irritation in people sensitive to black pepper. I do not know of any studies suggesting that Bioperine taken in tiny amounts are detrimental to men suffering from prostate conditions.

    What is modified cellulose and is it safe?
    The cellulose is derived from alpha cellulose from softwood pulp. This softwood pulp may be derived from hemlock, spruce or other soft woods. It is made by cooking raw plant fiber in an aqueous solution to separate the cellulose, and then purified. It then goes through extra processing to further break down the fiber. The finished product contains no residual solvents. Excipients are needed to make the materials flow into the capsule and are extremely minute in amounts and are safe.

    I am somewhat confused on how to take the DRB products. On many of the labels the Suggested Adult Use will list something along the lines of: Take 2 capsules daily, but it does not state whether they should be taken together or separately. What is the correct usage?
    Unless otherwise specified on the label, the product may be taken together or separately.

    Is there a limit to how many vitamins can be taken safely in one day?
    While our bodies need vitamins and minerals, like other things, if taken in large amounts they may adversely affect health. Large amounts of anything can be toxic. It is important to follow all label directions and discuss any concerns with your physician.

    What are the other ingredients and why are they used?
    These are used as flow agents and aid in the production to keep the machinery running smoothly and the capsules filling correctly. Similarly for the croscarmellose sodium, which is cellulose (sourced from the cell walls of green plants), and is used to help disintegrate the tablet in the stomach.

     What is HPLC?
    HPLC stands for "High Performance Liquid Chromatography." This is an analytical lab testing method that is used to quantify the active ingredients. It is considered to be a very sensitive and accurate test. HPLC testing is a tool recognized as a quality benchmark for herbal extracts.

    What is the maximum dosage for BioPerine?
    Black pepper has been consumed safely for thousands of years and has been deemed GRAS (generally recognized as safe) by the FDA for the intended use as a spice. However, there are limited toxicology studies on black pepper and/or black pepper extract and limited human clinical studies as well. Therefore, it is difficult to determine an "upper limit" and none has been suggested.

    Why is there a soy warning on Best Red Yeast Rice?
    Soy flour is used in manufacturing to process the material.

    Suggested Use

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    Take 1 capsule twice daily, with or without food. Do not take more than 4 capsules in a 24-hour period.

     Do not use this product if you are pregnant or nursing; can become pregnant; if you are under age 20; have liver disease; consume more than two alcoholic drinks per day; are allergic to soy or rice; have had major surgery or organ transplant surgery within the past six weeks. Discontinue use immediately if muscle pain and tenderness or flu-like symptoms occur. If you are taking prescription medications, consult a physician before taking this product.

    Doctor's Best - Best Red Yeast Rice 600 mg. - 120 Vegetarian Capsules
    Supplement Facts
    Serving Size: 1 Capsule
    Servings Per Container: 120 Servings
    Amount Per Serving %DV
    Organic Red Yeast Rice
       Using 100% Organic material
    600 mg *
    *Daily Value Not Established.
    †Percent Daily Values are based on a 2,000 calorie diet. Your diet values may be higher or lower depending on your calorie needs.
    Other Ingredients: Non-organic vegetable (poly-saccharide) capsule

    Average Rating

    5 rating(s)4 out of 5 clovers
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    80%4 out of 5 reviewers would recommend this product to a friend.
    Bought this product? write a review

    By JANET (Surprise , AZ )

    This brand seems to be the most effective.

    Was this review helpful?YesNoThank you for your response.

    By Sandy (Port Saint Lucie , FL )

    Has helped maintain my cholesterol levels

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    By Chloe (TOLEDO , OR )

    This product caused flu like symptoms in my husband. There is a warning for this on the back. Unable to return as it was tried. :(

    Was this review helpful?YesNoThank you for your response.

    By Richard (Dorchester , MA )

    Works just as good as statins without side effects.

    Was this review helpful?YesNoThank you for your response.

    By ELLEN (San Marcos , CA )

    Organic products, does what is intended.

    Was this review helpful?YesNoThank you for your response.

    Disclaimer: The views and opinions expressed by contributors of the product reviews are their own and not necessarily those of does not endorse or imply any medical claims from these reviews. These reviews should not be taken as recommendations but rather customer opinions of the products that they may or may not have used. Reviews are not intended as a substitute for appropriate medical care or advice and are not intended to diagnose, treat, cure, or prevent any disease. Read the full product reviews disclaimer here.

    Manufacturer Info

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    197 Avenida La Pata
    San Clemente, CA,
    Phone: 949-498-3628 Fax: 949-498-3952 Visit website

    About Doctor's Best

    Founded in 1990 by a pioneering physician committed to science-based alternative health care, Doctor’s Best offers only the most important nutritional supplements. Containing the finest quality raw materials from around the world, Doctor’s Best supplements embody the best that traditional knowledge and current scientific research have to offer in the field of therapeutic nutrition. Each of their products is accompanied by an annotated "fact sheet" with detailed background information, structure-function statements, and scientific references that substantiate these statements. All structure-function statements have been filed with FDA in accordance with DSHEA regulations.

    *The products and the claims made about specific products on or through this site have not been evaluated by or the United States Food and Drug Administration and are not approved to diagnose, treat, cure or prevent disease. The information provided on this site is for informational purposes only and is not intended as a substitute for advice from your physician or other health care professional or any information contained on or in any product label or packaging. You should not use the information on this site for diagnosis or treatment of any health problem or for prescription of any medication or other treatment. You should consult with a health care professional before starting any diet, exercise or supplementation program, before taking any medication, or if you have or suspect you might have a health problem.

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