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Doctor's Best, Best BioEnergy D-Ribose, 8.8 oz (250 g)

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  • Product Code: DRB-00173
  • UPC Code: 753950001732
  • Package Quantity: 8.8 oz (250 g)
  • Dimensions: 5 x 3 x 3 in, 0.65 lbs (0.29 kg)
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Product Overview


  • Science-Based Nutrition
  • Dietary Supplement
  • BioEnergy Ribose
  • Supports Healthy Energy Levels in Heart and Muscle Tissue
  • Maintains Normal Heart Function
  • Decreases Free Radical Formation During Exercise
  • Vegan

Ribose is an essential pentose (5-carbon) sugar utilized by the body to synthesize DNA, RNA and produce energy. Ribose is a fundamental building block of adenosine triphosphate (ATP-the substance in which the body stores intracellular energy), the preferential source of energy for skeletal muscle and heart tissue. Studies have shown that ribose supplementation can enhance cardiac energy levels and support cardiovascular metabolism. Further studies suggest ribose plays a role in supporting energy recovery after exercise. Exercise increases free radical production in muscle tissue. Ribose may strengthen and support the body's crucial antioxidant defenses.

Research suggest that optimal heart function requires a consistent supply of essential cofactor nutrients including CoQ10, D-ribose, L-carnitine and Magnesium. Consider these other high quality Doctor's Best products in combination with Best D-Ribose for enhanced cardiovascular support: High Absorption CoQ10, High Absorption Magnesium, Best L-Carnitine Fumarate

Continued use is necessary to maintain the benefits of Best D-Ribose featuring BioEnergy Ribose.

Suggested Use

Adult Use: Take 1 scoop mixed in water, juice or other beverage, twice daily. May be taken with or without food.

Other Ingredients


Contains no other than listed ingredients.


Insulin-dependent diabetics and pregnant women should consult their physician before use.

Storage Instructions: Store tightly closed container at room temperature. Avoid excess heat and moisture.

Supplement Facts
Serving Size: 5 grams (1 scoop)
Servings Per Container: 50 Servings
  Amount Per Serving %Daily Value**
Calories 20  
Total Carbohydrates 5 g 2%
Sugars 5 g  
D-Ribose 5 g
** Percent Daily Values are based on a 2,000 calorie diet.
† Daily Value not established.
iHerb Customer Reviews

Great product

Posted by 5297594333775711045 on Jun 27, 2016

I'd have to admit I was a bit sceptical as to its efficacy but after a couple of weeks of regular use, I definitely found I was in less pain with significantly more energy. Doesn't taste that great with water, definitely have to add something to kill the taste but the taste is not unbearable

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Good product

Posted by Reviewer1725305 on Apr 04, 2016

Advised by Doctor to take this for the heart. It is good for the heart and gives you more energy.

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Posted by 5526628216923276956 on Aug 06, 2015

I was struck down with CFS in 1994 and suffered for 20 years. Medical practitioners were virtually no help. I was ready to call it quits on living at the end of 2013 when I read about this stuff. Together with L-carnitine and COQ10, this combination has seen me improve out of sight since then. Not 100%, but then I'm not sure what that would be at my age now. I'm nearing retiring age, and I am once again thinking that I can return to full-time work. Pain has eased considerably too - rarely use painkillers. Sleep pattern and quality much improved. Can't recommend this enough. Combine this with a change of diet, but then this helps you to stop craving sugar and refined carbs, so a big help all round. I'm planning on taking this for as long as possible.

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Posted by Reviewer2373274 on Apr 06, 2015

I have been using D-Ribose for a long time. It was recommended to me by my doctor. I use it twice a day. It helps give me some energy.

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If you took just one thing for Fibromyalgia, this would be it

Posted by 4891890158136804463 on Sep 29, 2014

I bought this feeling partially skeptical, yet hopeful because there were so many reviews from other Fibromyalgia patients. Well, I can report that it's a godsend for me! My fatigue is much less. Also it improves my brain fog somewhat. Only minimal improvement with muscle pain - however since I am moving more, this improves throughout the day too. Honestly, try this is you have Fibro or CFS. It was the missing link for me. Just make sure your adrenals are supported. Once your system is running faster your adrenals issues often show up more. I like Thorne Cortex (not Cortrex) and Stress B formula. Thank you so much for everyone else who reviewed this. I'm grateful everyday, because it's what made me try it. This product is the one thing that gives you a bang for your buck! More results from this than everything else combined!!!!!

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