Dona Glucosamine Sulfate Review’s Score: Rating:

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What is Dona Glucosamine?

Dona Glucosamine is a joint supplement from Rotta Pharmaceuticals, Inc. It consists of only of 1 ingredient, glucosamine sulfate.

Other Features

The manufacturers of Dona Glucosamine insist that glucosamine sulfate is better than glucosamine hydrochloride which is understandable. Most of the glycosoaminoglycans in cartilage are sulfated.

Artificial Dyes or Coloring

We found no artificial dyes or colors in Dona Glucosamine.


.5 stars out of 5.’s Ingredient Analysis:

Dona Glucosamine Ingredient Our Comments

Glucosamine Only has 750mg of glucosamine sulfate, half the daily dose of most other supplements. You could double the dosage to get the 1500 that most other supplements recommend. Glucosamine is a precursor to glycosaminoglycans which are a major component of joint cartilage.

Chondroitin Sulfate Doesn’t have chondroitin. Chondroitin makes up glycosaminoglycans which are a component of cartilage.
Boron Doesn’t have boron. People that have boron as a part of their diet have a lower chance of developing osteoarthritis.

Avocado Soy Unsaponfiables (ASU) Doesn’t have ASU. ASUs are commonly prescribed in France for the treatment of arthritis.

Methylsulfonylmethane (MSM) Doesn’t have MSM. MSM is a vital source of sulfur for protein and connective tissue synthesis.
Boswellia serrata Doesn’t have boswellic acid.
Cetyl Myristoleate (CMO) Doesn’t have CMO. Cetyl myristoleate is a compound found in the joints of arthritis-resistant mice.
Curcumin Does not have curcumin. Curcumin is used to reduce inflammation in Ayurvedic medicine.

Hyaluronic Acid Doesn’t have hyaluronic acid. Hyaluronic acid is a vital fluid found in the synovial (joint-lubricating) fluid.

Dona Glucosamine Ingredients

Dona Glucosamine Supplement FactsServing Size 2 CapletsServings Per Container: 30
Amount Per Serving %Daily Value
Sodium 75.0mg 3%
Chondroitin Sulfate 1200mg *

4 comments to Dona Glucosamine Sulfate Review

  • Lucio Rovati

    Dear Sirs,
    I understand that for commercial reasons you pretend to ignore that the Dona glucosamine sulfate supplement is so popular because it is the original glucosamine formulation approved as a prescription product in Europe and elsewhere. This is thanks to the pivotal, high-quality clinical trials performed with it by my group and by several independent scientists: unfortunately, no other glucosamine preparation has been shown effective in high-quality clinical trials and glucosamine hydrochloride was not effective in the US GAIT trial.
    I also understand that for commercial reasons you will not publish this clarification.
    Best regards
    Lucio Rovati, MD
    Chief Scientific Officer

  • Ken Zelazny

    I tried it and liked it – worth every penny!
    I asked my son for some stuff to lubricate my joints and, as a pre-med summa cum laude with distinction graduate from the University of Illinois – Washington University School of Medicine in St. Louis, MO and a fellowship from the University of Wisconsin (Muskoskelital Radiology) and DONA was recommended because it works with efficient expediency for me and countless others.

  • Ken Zelazny

    You can beg to differ that it does not work for me and volumnous others all you want. Hopefully it will give others the impetus to try it. My son is a radiologist at Rush University Medical Center in Chicago.

  • John Culver

    I don’t know what this review is talking about. I have been taking this product for years and I have nothing but good things to say about it.

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