B-12 1000 mcg

Suggested Use

Directions: As a vitamin supplement; adults take one (1) tablet daily with any meal or as directed by a healthcare provider. Do not exceed recommended dosage.

• 

  21st Century B-12 Prolonged Release Tablets

  Swanson Health Products4.7(2000)

  $7.49
• 

  21ST CENTURY VITAMIN B12 1000 MCG TIME RELASE TABLET (1 Tablet)

  Amazon.com

  $7.80
• 

  21st Century B- 12 1000 Mcg Prolonged Release Tablets 110 Ea

  eBay - sokopovo15.0(5)

  $7.75
• 

  21st Century Vitamin B-12 2500 mcg

  Walmart4.7(1900)

  $11.64
• 

  21st Century B-12 1000Mcg Prolonged Release Tablets 110 Count (3 Pack)

  GoSupps.com4.7(2000)

  $39.99
• 

  21st Century B-100 Complex Prolonged Release Tablets

  iHerb4.8(2200)

  $9.49
• 

  21st Century Quick Dissolve B-12 30 Tablets

  eBay - 2016more4less4.7(1900)

  $29.99
• 

  21st Century B-12 1000Mcg Prolonged Release Tablets 110 Count (6 Pack)

  GoSupps.com4.7(2000)

  $79.99

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

• Fit Pharm Nutrition

  5.0 (33)

  Vitamin & supplements store

  2010 SE Delaware Ave Ste 226, Ankeny, IA 50021

  Directions(515) 965-0195

• GNC

  4.3 (25)

  Vitamin & supplements store

  2005 SE Delaware Ave, Ankeny, IA 50021

  Directions(515) 965-1276

• Nutrition Marketplace and Water to Go

  5.0 (7)

  Vitamin & supplements store

  8830 Swanson Blvd, Clive, IA 50325

  Directions(515) 225-8100

• Campbell's Nutrition

  4.5 (163)

  Vitamin & supplements store

  4040 University Ave, Des Moines, IA 50311

  Directions(515) 277-6351

• 5 Star Nutrition Urbandale

  4.9 (210)

  Vitamin & supplements store

  11881 Hickman Rd Suite 200, Urbandale, IA 50323

  Directions(515) 276-2372

• MorNatural

  4.0 (4)

  Store

  121 SE Shurfine Dr, Ankeny, IA 50021

  Directions(816) 319-2009

• Excel Nutrition

  5.0 (104)

  Health food store

  96 Paine Cir SE #5, Bondurant, IA 50035

  Directions(515) 689-8289

• Fit Pharm Nutrition- Weight Loss, Sports Nutrition, Vitamins,

  4.5 (188)

  Vitamin & supplements store

  6305 Mills Civic Pkwy Suite 3109, West Des Moines, IA 50266

  Directions(515) 225-6976

• Revisiting vitamin B12 deficiency: A clinician's guide for the 21st century

  BJ Wentworth, AP Copland - Pract Gastroenterol, 2018 - practicalgastro.com

  … Vitamin B12 (cobalamin) deficiency is a common disorder encountered across various medical … , and summarizes the available nutritional and medical literature regarding management. …

  201813 citations

• Vitamin B12 deficiency–A 21st century perspective

  MJ Shipton, J Thachil - Clinical medicine, 2015 - Elsevier

  … worldwide, with vitamin B 12 deficiency being recognised as a health concern nearly 100 years … In this review, the terms vitamin B 12 and cobalamin will be used interchangeably, with ‘…

  2015527 citations

• Effects of a Novel Dispersible Supplement Containing 2500 IU of Vitamin D and 1000 µg of B12 in Restoring Vitamin D and B12 Insufficiency: A Multicenter …

  N Angelopoulos, RD Paparodis, I Androulakis… - Nutrients, 2025 - mdpi.com

  … By evaluating the supplement’s impact on serum vitamin levels and associated health … per day for one to two weeks, followed by a maintenance dose of 1000 mcg daily for life [25]…

  2025

• Vitamin B12 in Foods, Food Supplements, and Medicines—A Review of Its Role and Properties with a Focus on Its Stability

  Ž Temova Rakuša, R Roškar, N Hickey, S Geremia - Molecules, 2022 - mdpi.com

  … storage affect B 12 stability in foods, food supplements, and … content-related quality of vitamin B 12 products on the market. … Vitamin B 12 deficiency is an important public health issue, …

  2022155 citations

• Vitamin B12

  HRLMS ChE - Archives of Internal Medicine, 2002 - godfire.net

  … of 1000 micrograms of vitamin B-12 for three consecutive days, then 1000 micrograms weekly … ), which indicates a B-12 deficiency, was found in 23% of the healthy elderly people and in …

  200226 citations

• Comparative bioavailability and utilization of particular forms of B12 supplements with potential to mitigate B12-related genetic polymorphisms

  C Paul, DM Brady - Integrative Medicine: A Clinician's Journal, 2017 - pmc.ncbi.nlm.nih.gov

  … However, a 2010 study assessed B 12 status versus B 12 … vitamin B 12 /d is associated with an adequate vitamin B 12 status… in a healthy population between 18 and 50 years of age.”16 …

  2017156 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2019-08-23. DSLD Label ID: 205562. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.