Cartilast® features ASU, a natural ingredient that may help protect existing cartilage and rebuild new cartilage, plus joint-supportive nutrients.*

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The key to healthy joints is healthy cartilage. If you want to look beyond joint comfort and joint mobility, it's important to make sure your cartilage is in good shape.

Cartilast features ASU (avocado soy unsaponifiables) — a natural ingredient made from avocado and soybean oils that may not only help protect existing cartilage but help rebuild new cartilage — plus joint-supportive vitamins and minerals.*

  • Supports healthy joint function* with all four ingredients.

  • May help protect exsisting cartilage.* ASU may protect cartilage from erosion.*

  • May help build new cartilage.
  • ASU may increase the synthesis of collagen and proteoglycans.*
100% of our Ingredients are Backed by Human Clinical Studies. Click on any ingredient below to view the research abstracts.

Suggested Use: Take 2 capsules once daily.

Supplements Facts

Serving Size: 2 capsules

Servings Per Container: 30

Amount Per Serving

% Daily Value*

1000 IU 250%

90 mcg 112%


6 mg †

Avocado (fruit) and soybean)

300 mg †

(Phytosterols 90 mg)

*Percent values are based on a 2,000-calorie diet.
† Daily value not established.

Other ingredients: vegetable cellulose, soy protein isolates, mixed tocopherols, silica (mineral), maltodextrin, leucine, sucrose, modified food starch. Contains soy.




Vitamin D3

Vitamin D is often called the “sunshine vitamin” because the body can synthesize it when sunlight exposure is adequate. However, researchers have discovered that vitamin D insufficiency is surprisingly common, affecting as much as 70 percent of the population. Vitamin D is a great multi-tasker: it strengthens bone by aiding calcium absorption, modulates immune function, protects prostate cells, and boosts brain chemicals needed for positive mood.* Vitamin D3 is better absorbed than vitamin D2.*

Vitamin K2 (VitaMK7)

Vitamin K is found in leafy green vegetables, olive oil, and miso. It was first recognized for its role in helping blood coagulate, but it is a key player in bone health as well.* In fact, vitamin K directs calcium from the bloodstream into the bones, regulates several proteins found in bone, and is thought to support bone mineralization.* While synthetic vitamin K1 is widely used in supplements, natural vitamin K2 (as VitaMK7®) is the most easily absorbed form.


Boron (as bororganic glycine) is used for supporting joint health, for building strong bones, in people with osteoarthritis, as an aid for building muscles and increasing testosterone levels, for supporting muscle coordination, and for promoting health cognition. Boron is believed  to increase estrogen levels in older (post-menopausal) women and healthy men. 


AvoVida® is an all-natural ingredient made from ASU (avocado soy unsaponifiables). The proposed mechanism of action of ASU is through increasing the synthesis of collagen and proteoglycan, two components of connective tissue, and inhibiting the release of degradative chemicals. Human clinical research has shown that it is one of the most effective natural ingredients for cartilage health.*

Related Items


Q: Is AvoVida Organic?

A:  No, the ingredient AvoVida is not organic.

Customer Reviews

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Tony B.
United States United States

Cartilast monthly

The monthly shipments are super convenient

Raymond B.
United States

Excellent Product !!

Considerably less pain from arthritis as well as osteoarthritis since. I began using this product. Increased overall mobility and flexibility as well. Thanks Cartilast and Quality of Life !! Highly recommend this product !!

Thomas M.
United States

Thank You

Feeling Great! Thank You.

Cleo T.
United States

To walk or not to walk, that ids the question?

I first brought this at a local vitamin store. I was pleased with the product and purchase for the next four months. After 4 months I ran out. It didn’t take long before I was limping with knee pain. When I was unable to find the product locally I went online in search. Delighted I purchased from Quality Life and after three days no more pain.Not sure why it helps either joint help or something else. But what I know is that the pains are gone!

Tony B.
United States

Supplements by subscription

How easy can it get?

Linda M.

Who Knows

Saw little improvement

Patrice A.

Terrific product

This has helped prevent progression of my arthritis for several years and I'm very faithful in taking it, although I've changed brands a couple of times. This is a reasonably priced ASU, is gluten free (an issue for me) and I highly recommend it.

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