Collagen Complex - Type I, II, V, X

TendoGuard is a proprietary advanced pharmaceutical food grade Collagen Type II naturally sourced from Hydrolyzed Chicken Sternum Cartilage and Avian Eggshell Membrane Collagen Type I, V & X, Hyaluronic Acid, Chondroitin Sulfate, Elastin & Calcium for optimum connective tissue support.


Made in the U.S.
Made in USA

Manufactured in USA: We are a U.S. based company

FDA Compliant
FDA Compliant

Compliant With the United States Food & Drug Administration

Clinically Proven
Clinically Proven

Clinically Tested According to United States Government Regulations

GMO Free
100% GMO Free

Made By 100% Non-Genetically Modified Organisms

What Are the Benefits of TendoGuard Joint Support Supplement?

  • Keeps tendons and cartilage healthy and flexible
  • Provides essential nutrients for tendon recovery
  • Stimulates collagen synthesis
  • Increases range of motion and reduces pain associated with stiffness
  • Powerful anti-inflammatory support
  • Supported by a 60-day human clinical study

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What Are the Ingredients of TendoGuard?

  • Hydrolyzed Collagen Type II (from pure chicken sternum cartilage)
  • Collagen Types I, V, and X (from avian eggshell membrane)
  • No preservatives, GMOs, irradiation, ETO, TSE/BSE, allergens, or pesticides
  • Kosher and halal certified
  • No fillers

What is Hydrolyzed Collagen Type II?

Hydrolyzed Collagen Type II naturally sourced from Avian Chicken Sternum Cartilage. Through innovative technology the delicate chicken sternum cartilage must be hydrolyzed to a smaller Dalton weight for human consumption. Following the hydrolysis process, the finished raw material will be tested through high performance liquid chromatography (HPLC). For those of you that aren’t familiar with the terminology, it discerns real raw material properties that are intact (not altered) as opposed to fake (inferior) raw material. 

  • TendoGuard™ Collagen Type I, II, V & X
  • Chicken Sternum Cartilage & Avian Eggshell Membrane

Eggshell membrane contains about 100 parts of Type I collagen to 1 part Type V collagen and contains the rare Type X collagen. Type I collagen is very important in bone and skin development and maintenance, Type V collagen is required for assimilation of Type I, while Type X collagen protects the embryo and other important tissues. 

Collagen protein is an important nutrient to help fight osteoporosis, osteoarthritis, and is required for the proper functioning of eyes, connective tissues, bone growth and mineralization, and increases skin elasticity and skin tone. Eggshell membrane is rich in macro-minerals such as calcium and sulfur which are important for the support and maintenance of the muscular and skeletal structure of the mammalian body.

Joint Support
GMO Free
Natural Food Grade
Synthetic Free

What is Dalton Weight & Why it Matters

Chicken sternum cartilage (collagen type II) when in its raw native form has a natural Dalton weight of 300,000 (300kDa), which is too large of a molecule for our bodies to breakdown and assimilate. Through innovative technology and research, we discovered the precise Dalton weight to be 20,000 (20kDa). How is this to be true one might ask? Simply put, when you look at a certificate of analysis (CoA) from a raw material supplier I would demand to see the collagen type II protein and mucopolysaccharide percentages aka hyaluronic acid, chondroitin and glucosamine (sugar amino acids). kollaGen II-xs™ high performance liquid chromatography testing analysis proves that in every lot # we purchase for our finished products has a range of the following naturally occurring compounds.

Type II Protein > 50% – 70%
Mucopolysaccharide > 25% – 45%
Hyaluronic Acid 10% min. ~ Chondroitin 20% min.
Glucosamine > 3%

Hydrolyzed collagen type II sourced from chicken sternum cartilage is certainly not new to the nutraceuticals arena. The original inventor first hydrolyzed chicken sternum cartilage (collagen type II) at 1.5 (kDa) back in 1995, then fast forward 20 years through advanced innovative technology, the precise Dalton weight was found to be 20 (kDa). Determining the Dalton weight factor was the percentage of active mucopolysaccharides I discussed above. When hydrolyzing too low of a Dalton weight, the delicate sugar amino acids are lowered significantly. It’s important to keep them intact for two reasons. First, hyaluronic acid, glucosamine and chondroitin work in synergy with the protein peptides (amino acids). Secondly, the mucopolysaccharide compounds aid in the natural hydrolysis that takes place throughout the gastrointestinal tract, epithelial stomach cells and thereafter, the chondrocycte cells from within and optimum cartilage repair throughout the entire extracellular matrix, not just weight bearing areas of the body.

#1 Clinically Proven Formula for 20 Years

Frequently Asked Questions

Exercise is the best way to keep your cartilage (and your bones, and your muscles, and your whole body) in good working shape. While overexertion can cause damage to cartilage, a steady, reasonable amount of exercise will keep your body in shape and increase your strength and stamina. Take TendoGuard™ supplement to promote healthy cartilage and tendons and to protect against inflammation and increase range of motion.

Not all supplements are naturally made, nor they are equally created. TendoGuard™ is backed by 30 years of research and clinically proven effective.

TendoGuard™ and KollaGen II-XS™. Nature’s most advanced complete joint health support made of 100% pure chicken sternum and eggshell membrane collagen.

Exercise, maintain your weight, eat healthy diet and supplement with TendoGuard™.

Collagen in its solid form cannot be broken down by the body due to its high (large) molecular weight. Hydrolyzed Collagen is broken down into small peptides through enzymatic hydrolysis so that the body can absorb and assimilate the protein (amino acids).

Yes. Backed by 30 years of research and clinically proven effective. It is made from nature, no chemicals, no pesticide, no sugar, non GMO, soy free and gluten.

Nature’s complete joint support. Made from pure chicken sternum. It is hydrolyzed to a specific molecular weight so that the body can break it down and absorb it to nourish the cells from within for healthy joints and tendons.

Eat healthy diet, exercise, maintain your weight and supplement with TendoGuard™.

Customer Reviews

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Tendoguard healed my IT band injury when nothing else was helping. Great product!!!
I had an IT band injury from running. I was having minimal improvement through Physical Therapy and traditional treatment. I heard of this product from Danielle Lin and tried it. I experienced near immediate improvement. After starting TendoGuard, I was able to run comfortably and I was able to return to competitive runs within a few months. I can not emphasize enough how much this product helped me regain functionality.