Calcium, Vitamin B12, Iron, Vitamin D and Zinc: study protocols

4 study groups took Calcium together with Vitamin B12, Iron, Vitamin D and Zinc. 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, Iron, Vitamin D and Zinc with something else, but nothing that 3 or more different studies gave.

4 study groups

Study
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	100 mg	—	7 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	100 mg	—	7 mg	1 year	69
A prospective randomized comparative trial evaluating postoperative nutritional intervention in patients with oral cancer 2022 · Intervention group · Adults with oral cancer after surgery; ages 18 and older, both sexes	1 g	1 mg	100 mg	2,857 IU	40 mg	26 weeks	22
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	12 mg	10 mcg	10 mg	—	870