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Now® Sports D-Ribose

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60 Vcaps

Item #807036 See Product Details

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Description
Ribose occurs naturally in all living cells. It is a simple sugar that begins the metabolic process for ATP production. D-Ribose works synergistically with, and enhances the benefits of creatine supplements. NOW sells creatine in powder, capsule and tablet form.

* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Supplement Facts

As a dietary supplement, take 2 to6 Vcaps® daily, prior to exercise. Serious athletes may want to double the dosage during training. Consider taking this product in combination with NOW® Creatine, CoQ10 and L-Carnitine.

Serving Size 6 Vcaps
Servings Per Container 10
Amount Per Serving % DV
Calories 20.00
Total Carbohydrate 4.50 g 2%
D-Ribose Powder (Bioenergy RIBOSE™) 4.50 g **
** Daily Value (DV) not established

Other Ingredients: Cellulose (capsule), Magnesium Stearate (Vegetable Source), Stearic Acid (Vegetable Source)

Contains no salt, starch, yeast, wheat, gluten, soy, milk, egg, shellfish or preservatives.

Storage Instructions: Store in a cool, dry place.

Warning:

Do Not Eat Freshness Packet. Keep in Bottle.

Manufactured by NOW FOODS, 395 S. Glen Ellyn Rd. Bloomingdale, IL 60108

Health Notes

Ribose

Ribose
This nutrient has been used in connection with the following health goals
  • Reliable and relatively consistent scientific data showing a substantial health benefit.
  • Contradictory, insufficient, or preliminary studies suggesting a health benefit or minimal health benefit.
  • For an herb, supported by traditional use but minimal or no scientific evidence. For a supplement, little scientific support.

Our proprietary "Star-Rating" system was developed to help you easily understand the amount of scientific support behind each supplement in relation to a specific health condition. While there is no way to predict whether a vitamin, mineral, or herb will successfully treat or prevent associated health conditions, our unique ratings tell you how well these supplements are understood by the medical community, and whether studies have found them to be effective for other people.

For over a decade, our team has combed through thousands of research articles published in reputable journals. To help you make educated decisions, and to better understand controversial or confusing supplements, our medical experts have digested the science into these three easy-to-follow ratings. We hope this provides you with a helpful resource to make informed decisions towards your health and well-being.

This supplement has been used in connection with the following health conditions:

Angina
Dose: Refer to label instructions
In one study, men with severe coronary heart disease who took ribose were able to exercise significantly longer than those taking placebo before experiencing chest pain and before abnormalities appeared on their electrocardiogram (ECG).(more)
Athletic Performance
Dose: Refer to label instructions
Ribose is a type of sugar used by the body to make the energy-containing substance adenosine triphosphate (ATP), which gets depleted during intense exercise. Reports have suggested that taking ribose might increase power during short, intense bouts of exercise.(more)
Angina
Dose: Refer to label instructions

In a controlled study, men with severe coronary heart disease were given an exercise test, after which they took either 15 grams of ribose or a placebo four times daily for three days. Compared with the initial test, men taking ribose were able to exercise significantly longer before experiencing chest pain and before abnormalities appeared on their electrocardiogram (ECG), but only the ECG changes were significantly improved compared with those in the placebo group.1 Sports supplement manufacturers recommend 1 to 10 grams per day of ribose, while heart disease patients and people with rare enzyme deficiencies have been given up to 60 grams per day.

References

1. Pliml W, von Arnim T, Stablein A, et al. Effects of ribose on exercise-induced ischemia in stable coronary artery disease. Lancet 1992;340:507-10.

Athletic Performance
Dose: Refer to label instructions

Ribose is a type of sugar used by the body to make the energy-containing substance adenosine triphosphate (ATP). Intense exercise depletes muscle cells of ATP as well as the ATP precursors made from ribose,1, 2 though these deficits are typically replaced within minutes.3 Unpublished reports suggested that ribose supplementation might increase power during short, intense bouts of exercise.4, 5 However, in a double-blind study, exercisers took four grams of ribose four times per day during a six-day strength-training regimen, and no effects on muscle power or ATP recovery in exercised muscles were found.6 In two other controlled studies, either 10 grams of ribose per day for five days or 8 grams every 12 hours for 36 hours resulted in only minor improvements in some measures of performance during repetitive sprint cycling.7, 8

References

1. Hellsten-Westing,Y, Norman B, Balsom PD, Sjodin B. Decreased resting levels of adenine nucleotides in human skeletal muscle after high-intensity training. J Appl Physiol 1993;74:2523-8.

2. Tullson PC, Terjung RL. Adenine nucleotide synthesis in exercising and endurance-trained skeletal muscle. Am J Physiol 1991;261:C342-7.

3. Zhao S, Snow RJ, Stathis CG, et al. Muscle adenine nucleotide metabolism during and in recovery from maximal exercise in humans. J Appl Physiol 2000;88:1513-9.

4. Ziegenfuss T. The effects of Ribocell supplementation on repeated sprint performance: a pilot study. Submitted to the American College of Sports Medicine 47th Annual Meeting, 1999.

5. Trappe S. Effect of ribose supplementation on nucleotide depletion following high intensity exercise in human skeletal muscle, 1999. Data on file at Bioenergy, Inc., 13840 Johnson St. N.E., Minneapolis, MN 55304.

6. Op 'T Eijnde B, Van Leemputte M, Brouns F, et al. No effects of oral ribose supplementation on repeated maximal exercise and de novo ATP resynthesis. J Appl Physiol 2001;91:2275-81.

7. Kreider RB, Melton C, Greenwood M, et al. Effects of oral D-ribose supplementation on anaerobic capacity and selected metabolic markers in healthy males. Int J Sport Nutr Exerc Metab 2003;13:76-86.

8. Berardi JM, Ziegenfuss TN. Effects of ribose supplementation on repeated sprint performance in men. J Strength Cond Res 2003;17:47-52.

Ribose is a type of sugar normally made in the body from glucose. Ribose plays important roles in the synthesis of RNA, DNA, and the energy-containing substance adenosine triphosphate (ATP).

Copyright 2014 Aisle7. All rights reserved. Aisle7.com

The information presented in Aisle7 is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires June 2015.

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