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21st Century

Arthri-Flex Advantage® + Vitamin D3, 120 Coated Tablets

4.8 · 6478 reviews
2,442 ₽

Non-GMO Gluten Free Glucosamine, Chondroitin, MSM & Hyaluronic Acid Flexibility Support Vitamin D3 for Bone Health 80 mg Hyaluronic Acid Per Serving Joint & Cartilage Support Bovine Free Dietary Supplement Guaranteed Quality Laboratory Tested Trusted Quality for Over 30 Years Arthri-Flex® Advantage + Vitamin D3, developed from joint nutrition science to support the comfort, flexibility and mobility of the body's joints. Arthri-Flex Advantage + Vitamin D3 was developed as a multi-nutrient supplement that may support joint health and flexibility. Arthri-Flex Advantage +Vitamin D3 combines Glucosamine Sulfate & MSM (Methylsulfonylmethane) with our Proprietary Blend of premium Chicken Sternum Type II Collagen (naturally containing Chondroitin Sulfate), Hyaluronic Acid, herbal extracts, and mineral nutrients, that may work in synergy to support both joints & cartilage. Plus Vitamin D3 for its bone support potential. Take The Advantage! Supports Joint & Cartilage Health Vitamin D3 for Bone Health Promotes Normal Mobility Function Support From The Inside Out A combination of Glucosamine Sulfate and MSM along with our Proprietary Blend for supporting an active lifestyle. Glucosamine Sulfate: Glucosamine supports flexibility and mobility. It also supports the formation of cartilage, an important element in joint health. Chondroitin: In joint support applications, Chondroitin Sulfate helps to support joint fluids and their ability to cushion and lubricate. MSM: A source of sulfur, MSM may promote the formation of collagen, an important component in the structure of cartilage and is vital for joints. Hyaluronic Acid: This primary component is the backbone of the body's joint lubrication fluids. Arthri-Flex® Proprietary Blend: Premium Chicken Sternum Type II Collagen is a protein that has been studied for its ability to support joints and joint function. It also naturally contains Chondroitin Sulfate.

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Non-GMO Gluten Free Glucosamine, Chondroitin, MSM & Hyaluronic Acid Flexibility Support Vitamin D3 for Bone Health 80 mg Hyaluronic Acid Per Serving Joint & Cartilage Support Bovine Free Dietary Supplement Guaranteed Quality Laboratory Tested Trusted Quality for Over 30 Years Arthri-Flex® Advantage + Vitamin D3, developed from joint nutrition science to support the comfort, flexibility and mobility of the body's joints. Arthri-Flex Advantage + Vitamin D3 was developed as a multi-nutrient supplement that may support joint health and flexibility. Arthri-Flex Advantage +Vitamin D3 combines Glucosamine Sulfate & MSM (Methylsulfonylmethane) with our Proprietary Blend of premium Chicken Sternum Type II Collagen (naturally containing Chondroitin Sulfate), Hyaluronic Acid, herbal extracts, and mineral nutrients, that may work in synergy to support both joints & cartilage. Plus Vitamin D3 for its bone support potential. Take The Advantage! Supports Joint & Cartilage Health Vitamin D3 for Bone Health Promotes Normal Mobility Function Support From The Inside Out A combination of Glucosamine Sulfate and MSM along with our Proprietary Blend for supporting an active lifestyle. Glucosamine Sulfate: Glucosamine supports flexibility and mobility. It also supports the formation of cartilage, an important element in joint health. Chondroitin: In joint support applications, Chondroitin Sulfate helps to support joint fluids and their ability to cushion and lubricate. MSM: A source of sulfur, MSM may promote the formation of collagen, an important component in the structure of cartilage and is vital for joints. Hyaluronic Acid: This primary component is the backbone of the body's joint lubrication fluids. Arthri-Flex® Proprietary Blend: Premium Chicken Sternum Type II Collagen is a protein that has been studied for its ability to support joints and joint function. It also naturally contains Chondroitin Sulfate.

Customer reviews

5.0
verified purchase
21st Century, Arthri-Flex Advantage + Vitamin D3, 120 Coated Tablets

21st Century Arthri-Flex Advantage + Vitamin D3 is an excellent joint support supplement. It combines key ingredients like glucosamine, chondroitin, and MSM to promote joint health and flexibility. The added Vitamin D3 enhances bone strength, making it a great choice for active individuals or those with joint discomfort. With 120 coated tablets per bottle, it’s a convenient and affordable way to support your joints. A must-have for anyone seeking better mobility and overall joint health!

11/16/2024
5.0
verified purchase
Good

My mom mentioned that quality is good and it helped with the pain the package is decent and she noticed an improvement in her joints

11/3/2025
5.0
verified purchase
Recommended for disc herniation and arthritis pain

I ordered the product for lower back pain and I am very happy because I could not move or walk for a long time. The tablets helped me and eased the pain and movement. I will continue to use them because they really help. They contain all the important ingredients for the restoration of bones and cartilage, so using this product also saves money. They are really good quality tablets.

1/2/2025
5.0
verified purchase
21st Century, Arthri-Flex Advantage + Vitamin D3, 120 Coated Tablets

21st Century Arthri-Flex Advantage + Vitamin D3 offers comprehensive joint support with a powerful blend of glucosamine, MSM, hyaluronic acid, and herbal extracts. Enriched with Vitamin D3, it also promotes bone health and overall mobility. The formula is designed to reduce joint discomfort, enhance flexibility, and support an active lifestyle. The coated tablets are easy to swallow, making them a convenient option for daily use. If you’re looking for a well-rounded supplement to maintain joint health and keep you moving comfortably, this one is definitely worth trying!

11/16/2024
5.0
verified purchase
Great!

I have knees problem for quite some time & had to use anti-inflammation gel to rub to ease the pain. Since trying this & now into my second bottle, I have stopped using the gel. Hopefully I can see even more improvement after taking this supplement for a longer period of time. I also like the fact that it has vitamin D, which I think it’s value for money since it can provide several benefits. Definitely a great quality supplement & that’s why I’m topping up my purchase now.

8/10/2024
5.0
verified purchase

Been using this for around 3 weeks now and honestly I noticed less hair shedding first before any growth. The capsules are small and easy to take, no weird taste or stomach issues. Too early to say dramatic results but my nails definitely feel stronger already. Good price for the amount too.

5/10/2026
5.0
verified purchase
Best

supplements are commonly used to support overall health and address nutritional deficiencies. They may contain vitamins, minerals, herbal extracts, or other bioactive compounds that contribute to improved energy levels, immune function, or general well-being. When used appropriately, supplements can be beneficial, especially for individuals with increased nutritional needs or limited dietary intake. However, supplements should not replace a balanced diet, and excessive or unsupervised use may lead to adverse effects or interactions with medications. Therefore, it is important to use supplements responsibly and seek professional advice when necessary.

12/27/2025
5.0
verified purchase
perfect

quality is perfect, ingredient very good .it recommended for 30 years age and above. have high value of glucosamine and package is fine as well .its has good benefit on my healt as its seems joint improvement as cartilage absorption and connective tissue .finally has no taste.

11/13/2025
5.0
verified purchase
wow

product is fantastic! It boasts excellent quality and well-chosen ingredients. Nighttime use is recommended for optimal results. The packaging is also and cohesive. Plus, it Rewards

11/8/2025
5.0
verified purchase
Good

I’ve been shopping on iHerb for a few months now, and every order has been smooth and reliable. Most recently, I purchased California Gold Nutrition Omega-3 and Herbal Immune Support Tea. Both products arrived in perfect condition, well-packaged, and with expiration dates that are far into the future — something I really value when buying supplements online.

10/16/2025