Vitamin B12 Normal level
Normal values are 118 to 701 picomoles per liter (pmol/L) or 160 to 950 picograms per milliliter (pg/mL). Normal value ranges may vary a bit among various laboratories. Some labs utilize quite variable measurements or might test various samples. Talk to your giver regarding what is your certain test changes mean.
How much vitamin B12 per day for all ages, gender, and pregnancy
Daily intake recommendations for vitamin B12 and other nutrients are present in the dietary reference intakes (DRIs) list by the Food and Nutrition Board (FNB). DRI is the most common term for a set of reference values that you can use for assessing and planning your intakes for vitamin B12. The recommended values might change depending upon the age and sex of different individuals. However, it is important to understand the following terms:
- Recommended Dietary Allowance (RDA): Average daily amount of intake that is important meet the nutrient requirements of 97% to 98% of the healthy individuals.
- Adequate Intake (AI): These intakes at these levels assume to cover up nutritional adequacy.
Recommended Dietary Allowances (RDAs) for Vitamin B12
|
Age |
Male | Female | Pregnancy | Lactation |
| Birth to 6 months* | 0.4 mcg | 0.4 mcg | ||
| 7–12 months* | 0.5 mcg | 0.5 mcg | ||
| 1–3 years | 0.9 mcg | 0.9 mcg | ||
| 4–8 years | 1.2 mcg | 1.2 mcg | ||
| 9–13 years | 1.8 mcg | 1.8 mcg | ||
| 14–18 years | 2.4 mcg | 2.4 mcg | 2.6 mcg | 2.8 mcg |
| 19+ years | 2.4 mcg | 2.4 mcg | 2.6 mcg | 2.8 mcg |
* Adequate Intake (AI)