Pay in 4 interest-free payments of $7.41 Learn more
Ships within 48 hours · Estimated delivery Sep 6 - Sep 11
Side effects are rare and usually mild, such as slight discomfort at the injection site
Ready for Research
Taking a proton pump inhibitor or other medications that reduce stomach acid for reflux or ulcers, as well as taking metformin for diabetes, can reduce absorption of B12 in food or supplements
Avoid Excessive Dosages Increasing the dose beyond recommended levels rarely improves results and may increase health risks
US$ 20.34
US$ 23.00
US$ 24.30
US$ 20.22
US$ 28.21
US$ 28.26
US$ 24.39
US$ 21.41
US$ 24.01
US$ 25.06
US$ 29.40
US$ 20.30
US$ 26.43
