Pay in 4 interest-free payments of $5.33 Learn more
Ships within 48 hours · Estimated delivery Sep 24 - Sep 29
You may be at higher risk if you: Follow a vegan or vegetarian diet Eat very little meat, fish, eggs, or dairy Are over the age of 50 Have digestive conditions affecting absorption Take certain medications, such as metformin or acid-reducing medicines Have had certain stomach or bowel surgery Have pernicious anaemia or absorption problems People in higher-risk groups may benefit from advice, testing, or treatment depending on their symptoms and medical history
doi: 10.1111/obr.13885 145 DoDLeeTPeasahSKGoodCBInnehAPatelU
C., Tadayon, S., Vergs, B., & Marre, M
We pride ourselves on our safety record
US$ 23.65
US$ 25.71
US$ 24.39
US$ 26.70
US$ 22.09
US$ 27.22
