Pay in 4 interest-free payments of $5.85 Learn more
Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
Without enough B12, the body may struggle to produce enough energy to sustain normal bodily functions, leading to tiredness and lethargy during the day and difficulty sleeping at night
Certain medications can also hinder B12 absorption , and older adults have a higher likelihood of developing a B12 deficiency
Samson RR, McClelland DB
Participants in a study, or even researchers themselves, generally prefer a pill or capsule over an injection
The decision depends on individual response and priorities
US$ 27.16
US$ 29.07
US$ 27.52
US$ 24.83
US$ 20.80
US$ 27.52
US$ 21.35
