Sundown Naturals High Potency B12 1000 mcg
Brand: Sundown Naturals · Form: TABLET [E0155]
Our assessment
The evidence shows that Sundown Naturals High Potency B12 1000 mcg is a straightforward B12 supplement. However, the data provided on this specific product is limited to its label and ingredient list, with no detailed studies or safety reports tied directly to it. For the ingredient calcium, which is not in this product, we have robust data. For B12 specifically, data on efficacy and safety from the provided sources is not available for this formulation.
How it works
Vitamin B12 is essential for nerve tissue health, brain function, and the production of red blood cells. It works as a cofactor in metabolic processes, including DNA synthesis and fatty acid metabolism. Since this product contains 1000 mcg of B12, it is a high-potency dose intended to support these critical functions, particularly for individuals with absorption issues or dietary restrictions. Specific mechanism data for B12 from the provided sources is not available.
Safety profile
Data not available for B12-specific adverse events from the FDA data provided. The FDA received a total of 592,059 adverse event reports across all supplements, but no breakdown is available for this product or B12 alone. For the unrelated ingredient calcium, high intakes can cause constipation, nausea, weight loss, and abnormal heart rhythms [NIH ODS]. No side effects from the FDA data are provided for this specific product.
Our recommendation
Start by consulting your healthcare provider to confirm a B12 deficiency before taking high-potency supplements. If you have a diagnosed deficiency or follow a vegan or vegetarian diet, this product may be appropriate. Choose a form like methylcobalamin for better bioavailability in some individuals, but confirm with your doctor. Data on specific benefits or risks for this exact product is not available.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Sundown Naturals |
|---|---|
| Serving Size | |
| Contents | 60.0 Tablet(s) |
| Market Status | Off 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