Q. Why is Syn-flex considered to be one of the most effective Glucosamine products on the market today?
A. We have taken the utmost care to ensure we provide the highest quality, most effective product. To do this, we use only the highest quality and purest ingredients. In fact, we use 98% pure liquid Glucosamine with ten other high quality synergistic arthritis-fighting ingredients in a premium formula developed for maximum absorption and pain relief. In addition, each batch of Syn-flex undergoes a laboratory analysis to ensure ingredient quality and efficacy plus is issued a certificate of analysis.

In the very high quality liquid form, you will absorb much more Glucosamine (and other ingredients) than you would with products in pill or capsule form. As a result, most users are able to notice results in about 10-20 days instead of 6-10 weeks (or at all with capsules or low-grade liquid products.)

Q. Are there any side effects?
A. Syn-flex is a very safe product. There are a few things you need to know:

  • Consult your doctor before taking Glucosamine if you are currently pregnant or nursing. Current medical literature indicates that diabetics may use Syn-flex. However, you may wish to monitor your blood sugar levels or consult your physician.
  • If you are allergic to shellfish, you should monitor your reaction and discontinue if any adverse affects occur. A small percentage of people who take Glucosamine may encounter light diarrhea or stomach upset. This can be avoided by splitting dosage between morning and evening. More information on side effects
    can be found here.

Q. Does Syn-flex interact with any drugs or medications?
A. Syn-flex is an all-natural product and should not interact with any drugs or medications.

Q. Is Syn-flex sold in stores?
A. Syn-flex is sold in a number of health food stores, health clubs, hair salons, chiropractors offices, veterinarian offices, and the like. However, Syn-flex is not available in any large retail stores at this time. We prefer to deal direct with our customers, and being a major distributor of Syn-flex, we are able to offer you the best price and mail you the product free of charge (in the United States).

Q. How can I buy Syn-flex?
A. We accept credit cards, checks, and money orders. You can order online via our secure server.

Q. Why is better, stronger, healthier cartilage important?
A. When your cartilage is damaged, either as a result of primary osteoarthritis or following from an injury (secondary osteoarthritis), you will suffer the consequences. Since cartilage protects the bones from coming into contact with one another, the opposite result is extremely painful. In a great many cases, it can result in surgery.

As your cartilage begins to lose its "fluid-like" capabilities, the process of osteoarthritis begins. Whether the result of aging, genetics, overuse or injury, some 70 million Americans suffer from this debilitating condition. Whether you suffer from this condition or are trying to prevent it, every step that you can take to avoid the consequences is well worth it.

Q. What exactly is Glucosamine?
A. Glucosamine, is a charged sugar molecule that is a key component of the extracellular matrix of cartilage (grout between the cartilage cells). It absorbs and releases water with each step, thereby acting as a shock absorber for the joints. With more Glucosamine present, there is more joint protection.

Glucosamine is a natural sugar produced by your body. It is the essential and principal ingredient that determines the quantity of proteoglycans (water-holding) molecules that also form in the body. The greater the amount of Glucosamine in the body, the greater the amount of proteoglycans. The proteoglycans are large, water-binding molecules made up of (both) proteins and sugars. It is important to understand that they are a major building block of healthy, vital cartilage. Glucosamine also stimulates the production of glycosaminoglycans (GAG's) which are important proteins found in cartilage. They serve to "bind" the water within the cartilage matrix. (more information on Glucosamine)

Q. Is Syn-flex approved by the FDA?
A. Glucosamine products are nutritional supplements and are not regulated by the Food and Drug Administration (FDA).

Q. Will I need to take this product daily for the rest of my life to keep my hip joint in repair or will I be able to reduce the dosage or even stop taking it at some point?
A. It is indeed advisable to maintain a daily dose of 1/4 oz. (1.5 teaspoons) per day. Those over 220 pounds or so may wish to maintain a higher dosage than this. For athletes, those using Syn-flex as an arthritis easing measure, or those with mild arthritis, we recommend using 1/4 oz. for the first 8 weeks, and then dropping the dosage in half. Of course, if any pains return or cartilage continues to deteriorate, increase your dosage. We recommend that mostly everyone take a double dose (1/2 oz. per day) for the first 10 days.

Q. My friend is allergic to shellfish, but has been taking Glucosamine for four years now without any problem. Can she take Syn-flex?
A. Your friend can absolutely take Syn-flex. As long as Glucosamine hasn't been a problem in the past, Syn-flex will be fine for her. (The antigen in shellfish that causes an allergic reaction has been removed from Syn-flex. Nonetheless, we encourage you to consult with your physician before using Glucosamine.) In fact, new research has shown that Glucosamine is very unlikely to cause an allergic reaction in someone allergic to shellfish. In most cases, allergies are caused by proteins in shellfish, not chitin, a carbohydrate from which Glucosamine is extracted. Furthermore, there is no crossover between the acid derived chitin from shells and the antigens that cause shellfish allergies since the acid process required to leach the chitin from the shell strips away the carbohydrate side chains that would be antigenic.

Q. I have never tried Syn-flex. What does it taste like?
A. Original Syn-flex has a Berry flavor. Synflex 1500 has an Orange flavor. If you prefer, you can mix it with your favorite drink. Some prefer to take a sip of water after using it.

Q. Is it true that Syn-flex will ease osteoarthritis pain in dogs, cats, and horses too?
A. Yes. Glucosamine was used to help with arthritis in horses many years before the beneficial effects for humans were known. Now with the high quality Glucosamine, the liquid formula for maximum absorption, and the ten other beneficial ingredients, your dog or cat's arthritis or hip dysplasia can be alleviated with Syn-flex. (more information on Syn-flex for pets)

Q. Do pets like the taste of Syn-flex?
A. The large majority of dogs like the flavor and administration is very easy. In about 10% of cases, you may need to put the Syn-flex on a treat, mix it in with their food, or administer orally.

Q. What's the difference between Original Syn-flex for Humans and Original Syn-flex for Pets?
A. In fact, they are the exact same product. The only difference is the dosage amount. The reason why we have separate "products" on the order form is so we can keep track of our sales.

Q. I am an athlete. Can Syn-flex benefit me?
A. Absolutely. (Learn more about Synflex for athletes)

Q. I had knee surgery and lost half of my cartilage. How much of it can I rebuild and how?
A. Frankly, it is difficult to quantify the rehabilitation of cartilage by percentages. The cartilage that has been damaged, may have simply lost its water-binding and water-holding capabilities. Glucosamine and chondroitin found in Syn-flex stimulate the production of proteoglycans and glycosaminoglycans, restoring the cushioning properties of the cartilage and stopping bad enzymes from continuing to chew your cartilage away.

It is safe to say that the rehabilitation would be quite dramatic. It does vary person to person and depends on the severity and progression of your arthritis.

Q. My doctor specifically recommended taking Syn-flex. Are there many doctors who recommend Syn-flex?
A. Many doctors are now recommending Glucosamine, and many are indeed specifically recommending Syn-flex. Generally, they either use Syn-flex themselves or have heard great things about Syn-flex from their patients. You can read a number of their testimonials in our success stories.

Q. I see that Syn-flex contains both Glucosamine Sulfate and Glucosamine HCL. Why is Glucosamine HCL added to your product?
A. A medical study released in January of 2001 confirmed that Glucosamine Sulfate is clinically proven to assist those who suffer from arthritis. However, that is only part of the picture. Another medical study conducted several years ago compared the two ingredients. That study found the HCL form of Glucosamine created even more cartilage components and may have a higher bio-availability. We have combined both ingredients to ensure you benefit from both. In fact, Original formula Syn-flex contains 1250 mg of Glucosamine per daily 1/4 oz. dosage. (More about the ingredients) The Synflex 1500 formula contains 1500 mg. per daily dosage.

Q. I have purchased Syn-flex. What do you recommend for dosage?
A. We recommend you read the page on Usage Instructions & Side Effects.

Q. I know a lot of people who use it and they all swear by it. What makes Syn-flex so effective?
A. Certainly the ingredients themselves play a major role here. As well, it should be clear that a liquid formula is going to provide the greatest possible absorption into your system.

Q. What if there is NO cartilage left in a joint? What can Syn-flex do??
A. When there is no cartilage left, Syn-flex will help regenerate as much cartilage as is possible. However, when a bone on bone situation has occurred it is very challenging.

  • Syn-flex will be your best shot at saving any cartilage that may be remaining and easing your pain. Additionally, if cartilage in one joint has disappeared, you should be taking liquid Glucosamine to protect other joints throughout your body.
  • If you are currently using NSAIDs or COX-2 Inhibitors, we suggest not taking these as you are putting yourself at risk for many severe side effects. Furthermore, there is recent research suggesting taking these will actually hasten the deterioration of your cartilage.

Q. I have noticed that pills and capsules usually contain both Glucosamine and Chondroitin. Does Syn-flex have Chondroitin in it?
A. Yes. Synflex is comprised of approximately 20% Chondroitin Sulfate.

Q. I know that most joint products contain Glucosamine. What are some of these other ingredients all about?
A. All of the ingredients contained in Syn-flex are there because they assist in building healthy joints. Without going into a lot of detail about them, boswellin, yucca, and omega 3 & 6 fatty acids each contribute to joint health and fight inflammation. Manganese and ascorbic acid are added to aid your body's ability to produce and absorb Glucosamine. (More about the ingredients)

Q. Are there any special instructions other than what is on the label? Also, why are there slight changes in the color of the product?
A. You should not refrigerate Syn-flex. A slight change in color happens sometimes. It is simply something that happens naturally as a result of exposure to light.

Q. I live outside the U.S., how can I purchase Syn-flex?
A. We ship Internationally.

For Canadian orders, order here.

For Other International orders, order here.

Have a question that is not answered here? You can ask us via email.

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