Pay in 4 interest-free payments of $6.32 Learn more
Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
The average diet supplies about 5 to 15 mcg/day of vitamin B 12in a protein-bound form that is available for absorption after normal digestion
Stamler JS, Osborne JA, Jaraki O, Rabbani LE, Mullins M, Singel D, and Loscalzo J (1993)
Food audit (35 days): log portions
The reality is that enforcement has not been uniform
Skip to Main Content
Its a good idea to ask your doctor about having your B-12 level checked if you are a strict vegetarian or have had weight-loss surgery or have a condition that interferes with the absorption of food
US$ 21.25
US$ 25.50
US$ 27.79
US$ 25.99
US$ 26.76
US$ 20.55
US$ 26.85
US$ 28.16
