Pay in 4 interest-free payments of $6.26 Learn more
Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
Long-term metformin use and vitamin B12 deficiency in the Diabetes Prevention Program Outcomes Study
Early warning signs of Vitamin B12 deficiency often include persistent fatigue and weakness, brain fog, memory and concentration issues, a smooth or sore tongue (glossitis), pale or yellowish skin, and tingling sensations in hands or feet
The annual dose should not exceed 600,000 IU as cholecalciferol
See the results timeline
US$ 22.35
US$ 24.63
US$ 29.77
US$ 23.28
US$ 26.76
US$ 29.17
US$ 28.01
US$ 20.62
US$ 22.62
US$ 20.82
