Calcium, Vitamin B12, Folic Acid and Iron: study protocols

4 study groups took Calcium together with Vitamin B12, Folic Acid and Iron. These are the doses the studies gave. They are not a recommendation.

Fewer than 5 study groups in one unit match, too few to draw the chart.

Commonly used together

4 of 4 study groups took Calcium, Vitamin B12, Folic Acid and Iron with something else, but nothing that 3 or more different studies gave.

4 study groups

Study
Lower rate of preeclampsia after antioxidant supplementation in pregnant women with low antioxidant status 2006 · supplementation group · Pregnant women screened positive for low antioxidant status at 8 to 12 weeks of gestation	800 mg	—	—	30 mg	—	29
A smartphone application to improve adherence to vitamin and mineral supplementation after bariatric surgery 2022 · Intervention group · Adults aged over 18 to 60 years undergoing gastric bypass or sleeve gastrectomy	1 g	1 mg	400 mcg	100 mg	1 year	71
A smartphone application to improve adherence to vitamin and mineral supplementation after bariatric surgery 2022 · Control group · Adults aged over 18 to 60 years undergoing gastric bypass or sleeve gastrectomy	1 g	1 mg	400 mcg	100 mg	1 year	69
Maternal B-vitamin and vitamin D status before, during, and after pregnancy and the influence of supplementation preconception and during pregnancy: Prespecified secondary analysis of the NiPPeR double-blind randomized controlled trial 2023 · intervention · Women planning pregnancy; generally healthy, recruited before conception	150 mg	5.2 mcg	400 mcg	12 mg	—	870