SKU: 80672564055

Natural Factors FlexAble® Glucosamine Sulfate 500mg - 500 Capsules

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Description

Natural Factors FlexAble® Glucosamine Sulfate 500mg - 500 CapsulesClinical studies show that supplementing with glucosamine sulfate may stimulate joint repair. FlexAble Glucosamine Sulfate is fully reacted and is made up of a combination of glucose, glutamine and sulphur. It is generally believed that the sulphur component makes it more useful for joint problems. This formula is sodium free, for those who wish to reduce their sodium intake or people with hypertension. One common question: Can persons allergic to

Clinical studies show that supplementing with glucosamine sulfate may stimulate joint repair. FlexAble Glucosamine Sulfate is fully reacted and is made up of a combination of glucose, glutamine and sulphur. It is generally believed that the sulphur component makes it more useful for joint problems.

This formula is sodium free, for those who wish to reduce their sodium intake or people with hypertension.

One common question: Can persons allergic to sulfa drugs or sulfite take glucosamine? Michael Murray, ND responds: "When people say they are allergic to sulphur, what they really mean is they are allergic to the so-called sulfa drugs or sulfite-containing food additives. It is impossible to be allergic to sulphur because sulphur is an essential mineral. The sulfate form of sulphur is present in relatively high concentrations in human blood. In short, glucosamine sulfate is extremely well-tolerated, and no allergic reactions have been reported."

Uses and benefits

  • Helps reduce pain and inflammation of joints
  • Promotes proper lubrication of joints
  • May increase range of motion  
Ingredients
Each Capsule Contains:
667 mg of stabilized glucosamine sulfate complex providing:
Glucosamine Sulfate (shellfish exoskeletons) 500 mg

Non-medicinal ingredients

Gelatin capsule (gelatin, purified water), vegetable grade magnesium stearate (lubricant), rice starch.
Sodium <0.040 mg/capsule
Potassium <100 mg/cap

Please Note:

Children: Suitable for children at one-half the adult dosage. 

Pregnancy and Nursing: Considered safe during pregnancy and lactation. 

Seniors: No special precautions are known

Suggested Usage

1 capsule, 3 times daily with food, for a minimum of 4 weeks to see the beneficial effects or as directed by a health care practitioner. Keep out of the reach of children.

Additional Information

Glucosamine Sulfate Research Information  (pdf)
Glucosamine Sulfate Research Information  (pdf)

Shipping Notes
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Exchange/Return Notes
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SKU: 80672564055

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HD Rider
Lowell, US
★★★★★ 5
Great product
Size: 4.5", Style: Open
Strong grip
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Reviewed in the United States on April 18, 2026
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Alexandria
Louisville, US
★★★★★ 5
Work great
Item Package Quantity: 6, Color: Black
Relatively strong hooks. The metal I have them on is thin so the magnets arent as steady as I hoped but thats my fault not the hooks. Ample hook space and solidly built
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Reviewed in the United States on March 23, 2024
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Amazon Customer
Birmingham, US
★★★★★ 5
You need these!
Item Package Quantity: 4, Color: Black
These are not really “industrial strength” but they work great and are decent quality, especially for the price. I bought them to use on a sheet metal barn and they hold halters, rakes and other supplies with ease. Out of curiosity I did toss a dewalt drill in one and it held even though I ordered the medium size and the drill didn’t fit super well.
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Reviewed in the United States on August 6, 2025
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K. Nguyen
Dallas, US
★★★★★ 5
Very useful tools or helmets hanger.
These are quite useful and hold anything that’s less than 10lb. I think it can hold heavier items but I think it’s best to keep it light and the magnet strong enough to make it very convenient to affix it to any metal cabinet or poles.
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Reviewed in the United States on August 7, 2025
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Julie Fleming
Houston, US
★★★★★ 1
Magnet strength is weak AF
Item Package Quantity: 30, Color: Black
Magnet strength is absolutely terrible! I was hoping that they would be strong against my shipping container as the product suggests, but I put a item on it that barely weighs 10 lb and it started sliding down the wall. The magnets are not strong at all!
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Reviewed in the United States on May 6, 2026

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