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Description
DOCTORS BEST: D-Ribose Powder, 250 gmDoctor's Best D Ribose is a unique 5 carbon carbohydrate that is a fundamental building block of ATP (adenosine triphosphate), the source for all cellular energy. Ribose is the starting point and rate limiting compound in the synthesis of these fundamental cellular compounds and the availability of ribose determines the rate at which they can be made by our cells and tissues. Studies have shown that ribose supplementation can enhance cardiac energy
Doctor's Best D-Ribose is a unique 5-carbon carbohydrate that is a fundamental building block of ATP (adenosine triphosphate), the source for all cellular energy. Ribose is the starting point and rate limiting compound in the synthesis of these fundamental cellular compounds and the availability of ribose determines the rate at which they can be made by our cells and tissues. Studies have shown that ribose supplementation can enhance cardiac energy levels and support cardiovascular metabolism. Further studies suggest that ribose plays a role in supporting muscle energy recovery after exercise. Exercise increases free radical production in muscle tissue. Ribose may strengthen and support the body’s crucial antioxidant defenses.GRP:GRNSHP_3
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4.3 ★★★★★
Based on 131 reviews
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Product Reviews
★★★★★ 5
Ribbing & AComfortable Fit
I stumbled onto this brand as the sizes & sizing were very accurate.
The ribbed feature is a blessing as it masks, hides, conceals stains & or body imperfections.
I'm a 63 year old grandpa who greets outside in the Midwest at church 50 weeks a year.
The warmth, the longer sleeve's and the high & roll up, roll down turtle neck is super cozy.
The value is, it looks more expensive than it actually was, I have already ordered another in black.
I am
5'8
298#
with a 63 inch chest 48 inch waist fits with room to spare.
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Reviewed in the United States on January 23, 2024
★★★★★ 5
Good 👍
Muy bonito igual ala foto
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Very nice turtleneck
I bought this for my husband as a Christmas present. He loves it! He says it fits well, not to heavy and is very comfortable.
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Reviewed in the United States on January 4, 2025
★★★★★ 3
Stain on collar
I was disappointed to see this stain on the collar. The fit is great & feels heavy & well made. Not sure why it would be packaged with a stain on it & since it’s white it’s even more noticeable
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Reviewed in the United States on December 31, 2022
★★★★★ 5
Material and stitching so it doesn't look cheap.
Good quality for the price. Not wool. It meets my needs. I don't wear sweaters that often so buying a pricey one makes no sense. These look great when they are new.
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Reviewed in the United States on December 15, 2025
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