Natural Factors B12 Methylcobalamin 10,000 mcg Cherry Flavor
Brand: Natural Factors · Form: TABLET [E0155] On Market
Our assessment
The evidence shows that this specific product, Natural Factors B12 Methylcobalamin 10,000 mcg, contains a very high dose of vitamin B12. However, the data provided for the ingredient Calcium does not apply to this product, as it contains B12, not Calcium. For vitamin B12, the specific health benefits and safety data from the provided information are not available. You should not assume that data on Calcium applies to B12.
How it works
Based on the data provided for a different ingredient, Calcium works through bone mineralization by supporting bone density and mineral deposition, and through neuromuscular relaxation by supporting muscle relaxation and nerve signaling [NIH ODS]. For the B12 in your product, specific mechanism data is not provided in the given information. Data not available for B12 mechanism.
Safety profile
For the ingredient Calcium, high intakes might increase the risk of heart disease and prostate cancer. High levels can cause poor muscle tone, poor kidney function, low phosphate levels, constipation, nausea, weight loss, extreme tiredness, frequent need to urinate, abnormal heart rhythms, and a high risk of death from heart disease [NIH ODS]. However, these side effects are for Calcium, not B12. The FDA has received a total of 592,059 adverse event reports across all supplements, but specific reports for this B12 product are not provided [FDA data]. Data not available for B12-specific side effects or report counts.
Our recommendation
Given that the data provided does not include specific information on vitamin B12 methylcobalamin, we cannot make a recommendation based on the supplied evidence. You should consult with your healthcare provider before starting a 10,000 mcg dose of B12, as this is a high amount. Data not available for a recommendation on this specific product.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Natural Factors |
|---|---|
| Serving Size | |
| Contents | 30.0 Chewable Tablet(s) |
| Market Status | On Market |
How to Read This Label
Supplement labels contain several key sections regulated by the FDA:
- Serving Size — The recommended amount per dose. Always check this — some products require multiple capsules per serving.
- Amount Per Serving — Shows the quantity of each nutrient in the product, typically in IU (International Units), mg (milligrams), or mcg (micrograms).
- % Daily Value (%DV) — Indicates how much a nutrient in a serving contributes to a daily diet. 5% DV or less is low; 20% DV or more is high.
- Other Ingredients — Lists inactive ingredients like fillers, binders, and capsule materials (e.g., gelatin, cellulose, magnesium stearate).
- Suggested Use — The manufacturer's recommended directions for taking the supplement, including timing and dosage.
Source: FDA Dietary Supplement Labeling Guide