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21st Century, B-12, 500 mcg, 110 Tablets


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21st Century, B-12, 500 mcg, 110 Tablets

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21st Century, B-12, 500 mcg, 110 Tablets

In Stock
500 mcg
500 mcg
1,000 mcg
2500 mcg
  • Expiration Date: 04/2020
  • Shipping Weight:
    0.08 kg
    Switch to Imperial units
  • Product Code: CEN-22309
  • UPC Code: 740985223093
  • Package Quantity: 110 Tablets
  • Dimensions:
    4.6 x 6.1 x 9.4 cm , 0.07 kg
    Switch to Imperial units
Frequently Purchased Together
    Product Overview


    • 10% Free
    • Vitamin Supplement
    • Promotes Tissue Growth & Maintenance and is Essential for Red Blood Cell Formulation
    • Easy-to-Swallow Smaller Tablet
    • 21st Century...for a Healthier Future
    • Gluten Free
    • Laboratory Tested - Guaranteed Quality

    21st Century Vitamin B-12 (Cyanocobalamin) promotes maintenance and growth of tissue and is essential for red blood cell formation.

    Suggested Use

    Take one (1) tablet daily with any meal for maximum results, or as directed by your healthcare provider. Do not exceed recommended dosage.

    Other Ingredients

    Cellulose, stearic acid, croscarmellose sodium, silicon dioxide, magnesium stearate.

    No added sugar, yeast, preservatives, artificial flavors or colors.


    Keep out of reach of children. Do not use if product appears to be tampered with or seal is broken. Store at room temperature.

    Supplement Facts
    Serving Size: 1 Tablet
      Amount Per Serving: %DV†
    Vitamin B-12
    (as Cyanocobalamin)
    500 mcg 8333%
    Calcium (as Calcium Carbonate) 100 mg 10%
    † Percent Daily Value (DV) based on a 2,000 calorie diet.
    iHerb Customer Reviews

    Good product, good price.

    Posted by iHerb Customer on Dec 29, 2017 | Verified Purchase

    Good product and good price.

    Thanks for your feedback!

    The prodact is great. Satisfied.

    Posted by iHerb Customer on Dec 12, 2017 | Verified Purchase

    The prodact is great. Satisfied.

    Thanks for your feedback!

    Huge pack

    Posted by iHerb Customer on Dec 10, 2017 | Verified Purchase

    I need some time to see if the vitamins are good, but so far so good.

    Thanks for your feedback!


    Posted by iHerb Customer on Dec 06, 2017 | Verified Purchase

    Small pills - easy to take. I´m very satisfied!

    Thanks for your feedback!

    B-12 will cure your damaged nerves

    Posted by iHerb Customer on Nov 08, 2017 | Verified Purchase

    It's a miracle really , my back injury damaged the nerves and I had severe pain, I was told to try B-vitamin complex for 6 months. It changed my life, the pain went away so I could avoid surgery . B-12 is the most important of all the B-vitamins. I take one every day , I trust this product.

    Thanks for your feedback!