Vitamin K and Vitamin B12: study protocols
3 study groups took Vitamin K together with Vitamin B12. 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
3 of 3 study groups took Vitamin K and Vitamin B12 with something else, but nothing that 3 or more different studies gave.
3 study groups
| Study | ||||
|---|---|---|---|---|
| Effects of maternal micronutrient supplementation on fetal loss and infant mortality: a cluster-randomized trial in Nepal 2003 · Multiple micronutrients · Pregnant women in rural Nepal | 64 mcg | 2.6 mcg | — | — |
| Assessment of vitamin A, vitamin B(2), vitamin B(12), vitamin K, folate, and choline status following 4 months of multinutrient supplementation in healthy vegans: a randomised, double-blind, placebo-controlled trial 2025 · INT (intervention group; standard and double omega-3 dosage subgroups) · Healthy adults aged 18 years or older who had followed a vegan diet for at least 1 year; no diagnosed vitamin or mineral deficiency | 50 mcg | 100 mcg | 120 days | 35 |
| Randomised Controlled Trial of Nutritional Supplement on Bone Turnover Markers in Indian Premenopausal Women 2021 · test group · Premenopausal Indian women aged 25–45 years in good general health, with BMI 18–30 kg/m² | 55 mcg | 1 mcg | 180 days | 57 |