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 supplement. However, the specific ingredient data provided is for calcium, not vitamin B12. For B12-specific efficacy and safety data, information is limited in the provided materials. Our assessment is that this product delivers a high dose of B12, but we cannot verify its specific health claims using the data supplied.
How it works
Based on the data available, which pertains to calcium, the mechanism of action is unrelated to B12. For calcium, the mechanism involves bone mineralization to support bone density and neuromuscular relaxation to support muscle relaxation and nerve signaling [NIH ODS]. For B12 specifically, mechanism of action data is not available in the provided documents.
Safety profile
The FDA has received a total of 592,059 adverse event reports across all supplements, but specific report counts for this B12 product are not provided [FDA data]. For the ingredient calcium, side effects from high intake include constipation, nausea, weight loss, extreme tiredness, and abnormal heart rhythms [NIH ODS]. For B12, specific side effect data with report counts are not available from the provided FDA data.
Our recommendation
Data not available for a specific recommendation on this B12 product. For general guidance, you should consult your healthcare provider before starting any new supplement, especially at high potencies. The calcium data shows that supplements can interact with medications like bisphosphonates and levothyroxine, highlighting the need for professional oversight [NIH ODS].
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