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  • Bones and joints: vitamin D3 with K2 and glucosamine

    November 11, 2026 4 min read

    Here are two different supplements, each with its own focus:

    • Youtheory K2D3: vitamin D3 and vitamin K2 in one capsule a day. The label talks about calcium, bones and cardiovascular function. It is for adults.
    • Bio Nutrition glucosamine: glucosamine, chondroitin and MSM, with collagen, ginger and turmeric. You take 3 tablets once a day with a meal. The box talks about the joints and contains shellfish.

    Youtheory K2D3: vitamin D3 and vitamin K2

    Back of the Youtheory K2D3 bottle with its three statements and the FDA notice

    On the back of the bottle it says “promotes calcium absorption*”, “helps support cardiovascular function*” and “promotes bone health*”. Below, it explains:

    • “Youtheory® K2D3 provides essential nutrients that enable the body to properly use calcium for a variety of functions in normal metabolism.”
    • “Vitamin K has well-established roles in promoting normal bone mineralization and cardiovascular function.”
    • “Vitamin D is responsible for ensuring absorption and retention of calcium.”

    “*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.”

    What each capsule contains:

    • “Vitamin D3 (as cholecalciferol) 125 mcg (5,000 IU) 625%”
    • “Vitamin K2 (Menaquinone-7 as K2VITAL®) 100 mcg 83%”
    • “Other Ingredients: Vegetarian capsule (hypromellose), microcrystalline cellulose, vegetable magnesium stearate, silicon dioxide.”

    How to take it: “Suggested Use: (Adults) Take one (1) capsule per day, with a glass of water.†”

    “†The recommended dosage is one capsule per day. For more personalized results, start with one capsule per day and add one additional capsule per day as needed. Use daily for optimal results.”

    Its warnings: “Usage Warnings: Check with your doctor before using this product if you are taking medication or have any medical conditions. Do not use if you are pregnant or nursing. Do not exceed the recommended daily intake without checking with your doctor. Not intended for persons under 18. KEEP OUT OF REACH OF CHILDREN. Store in a cool and dry place after opening.”

    A note on fish: “This product is manufactured in a facility that processes fish extracts.”

    It also says: “dairy free · soy free · no gluten ingredients · vegetarian friendly” and “manufactured by: nutrawise® irvine, ca 92618 USA”

    Find it here: Youtheory K2D3, 60 vegetarian capsules.

    Bio Nutrition glucosamine: with chondroitin, MSM and collagen

    English front of the Bio Nutrition glucosamine, chondroitin and MSM box, 90 tablets

    On the front it says “ADVANCED GLUCOSAMINE/CHONDROITIN/MSM and TURMERIC, GINGER & COLLAGEN” and “Supports Joint Health*”. On the side it says: “It may support joint function and be beneficial for those individuals involved in sports*”

    “*These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease.”

    What each serving of 3 tablets contains:

    • “Glucosamine Sulfate Potassium Chloride 1,500 mg”
    • “Chondroitin Sulfate (from Bovine cartilage) 500 mg”
    • “MSM (Methylsulfonylmethane) 250 mg”
    • “Collagen (Bovine) 100 mg”
    • “Ginger Root (Zingiber Officinale) 75 mg”
    • “Turmeric powder (Curcuma Longa) (root) 75 mg”
    • “Potassium (from Glucosamine Sulfate Potassium Chloride) 193 mg 4%”

    Other ingredients: Dicalcium phosphate, Microcrystalline cellulose, Croscarmellose sodium, Stearic acid, Magnesium stearate, Silicon dioxide and Pharmaceutical glaze.

    How to take it: “Suggested Use: Take three (3) tablets once daily with a meal or as directed by a health care professional.”

    Its warning: “Warning: Consult your healthcare provider prior to use if you are pregnant, nursing, taking any medication or have any medical conditions. Store in a cool, dry place. Keep out of reach of children. Tamper evident. Do not use if outer seal is broken or missing.”

    “ALLERGY WARNING: Contains shellfish (shrimp/crustacean)”

    It also says: “Free of wheat, gluten, dairy, sugar and salt.” On a seal: “THIRD PARTY TESTED”. And at the bottom, distributed by “Bio Nutrition, Inc. Oceanside, NY 11572 U.S.A.”

    Find it here: Bio Nutrition Advanced Glucosamine/Chondroitin/MSM, 90 tablets.

    The two, side by side

    K2D3Glucosamine
    What its statement is aboutCalcium, bones and cardiovascular functionJoints
    What it containsVitamin D3 and vitamin K2Glucosamine, chondroitin, MSM, collagen, ginger and turmeric
    How to take it1 capsule a day, with water3 tablets once a day, with a meal
    How long it lasts (our count)60 days at 1 capsule a day30 days (30 servings)
    Animal originVegetarian friendlyBovine and shellfish

    Questions

    • What about pregnancy or nursing? The K2D3 says “Do not use if you are pregnant or nursing.” The glucosamine says “Consult your healthcare provider prior to use if you are pregnant, nursing, taking any medication or have any medical conditions.”
    • Can I take them with medications? The K2D3 says “Check with your doctor before using this product if you are taking medication or have any medical conditions.” The glucosamine says the same in its warning.
    • What if I am allergic to shellfish? The glucosamine says “ALLERGY WARNING: Contains shellfish (shrimp/crustacean)”. The K2D3 says “This product is manufactured in a facility that processes fish extracts.”
    • Do they contain gluten? The K2D3 says “no gluten ingredients”. The glucosamine says “Free of wheat, gluten, dairy, sugar and salt.”
    • Is there a minimum age? The K2D3 says “Not intended for persons under 18.”

    Where to find them

    More products for bones and joints in Supplements for Bones and Joints.

    For more details, call us at 787-304-0458 or message us on WhatsApp at 787-618-8888.

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