Vitamin B12, Vitamin C and Selenium: study protocols
6 study groups took Vitamin B12 together with Vitamin C and Selenium. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Vitamin B12
6 study groups in 5 studies say how much Vitamin B12 participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 2.5 mcg to 5 mcg, 83% of 6 study groups.
| Daily dose | Study groups |
|---|---|
| 1 mcg to 2.5 mcg | 1 |
| 2.5 mcg to 5 mcg | 5 |
Dose per serving from research: Vitamin C
5 study groups in 4 studies say how much Vitamin C participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 50 mg to 100 mg, 80% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 50 mg or less | 1 |
| 50 mg to 100 mg | 4 |
Dose per serving from research: Selenium
6 study groups in 5 studies say how much Selenium participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 50 mcg to 100 mcg, 100% of 6 study groups.
| Daily dose | Study groups |
|---|---|
| 50 mcg to 100 mcg | 6 |
Commonly used together
6 of 6 study groups took Vitamin B12, Vitamin C and Selenium with something else. Shown: what 3 or more different studies gave.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Folic Acid | 6 |
| Vitamin E | 6 |
| Vitamin B6 | 5 |
| Copper | 4 |
| Iodine | 4 |
| Vitamin A | 4 |
| Vitamin D | 4 |
| Zinc | 4 |
| Iron | 3 |
6 study groups
| Study | |||||
|---|---|---|---|---|---|
| Antenatal Multiple Micronutrient Supplementation Compared to Iron-Folic Acid Affects Micronutrient Status but Does Not Eliminate Deficiencies in a Randomized Controlled Trial Among Pregnant Women of Rural Bangladesh 2019 · MM · Pregnant women aged 12–45 years in rural Bangladesh | 2.6 mcg | 85 mg | 60 mcg | 165 days | 749 |
| Effects of Souvenaid on plasma micronutrient levels and fatty acid profiles in mild and mild-to-moderate Alzheimer's disease 2015 · Active group (RCT1, RCT2 and RCT3) · Men and women aged 50 years or older with mild or mild-to-moderate Alzheimer's disease; RCT3 participants were on stable approved Alzheimer's medication, while RCT1 and RCT2 participants were drug-free for Alzheimer's medication. | 3 mcg | 80 mg | 60 mcg | 24 weeks | 501 |
| Effects of Souvenaid on plasma micronutrient levels and fatty acid profiles in mild and mild-to-moderate Alzheimer's disease 2015 · Active product during open-label extension (OLE) · Men and women aged 50 years or older with mild Alzheimer's disease who completed RCT2. | 3 mcg | 80 mg | 60 mcg | 24 weeks | 201 |
| Newborn micronutrient status biomarkers in a cluster-randomized trial of antenatal multiple micronutrient compared with iron folic acid supplementation in rural Bangladesh 2020 · MM · Pregnant women in rural Bangladesh; age range not specified; no disease condition specified | 2.6 mcg | 85 mg | 60 mcg | — | 176 |
| Multiple micronutrient supplementation improves vitamin B₁₂ and folate concentrations of HIV infected children in Uganda: a randomized controlled trial 2011 · Multiple micronutrient supplementation (MMS) · HIV-infected children aged 1–5 years | 2.4 mcg | 50 mg | 60 mcg | 26 weeks | 104 |
| A novel nutritional supplement to reduce plasma homocysteine in nonpregnant women: A randomised controlled trial in The Gambia 2019 · UNIMMAP tablet · Nonpregnant, non-lactating healthy women aged 18–45 years in West Kiang, The Gambia; women of reproductive age with common micronutrient deficiencies in the population | 2.6 mcg | — | 65 mcg | 12 weeks | 105 |