Sundown Naturals B12 500 mcg
Brand: Sundown Naturals · Form: TABLET [E0155]
Our assessment
The evidence shows that Sundown Naturals B12 500 mcg is a straightforward supplement, but we must be honest: the data provided is for calcium, not for vitamin B12. You are asking about B12, but the available scientific data from the provided sources covers calcium only. This means we cannot make specific claims about B12’s effectiveness or interactions based on the data you have shared. Data not available for B12-specific studies from the provided list.
How it works
Based on the data provided, we can only discuss how calcium works. Calcium supports bone mineralization by helping maintain bone density and mineral deposition, and it also aids neuromuscular relaxation by supporting muscle relaxation and nerve signaling [NIH ODS]. For B12, its mechanism of action in supporting nerve health and red blood cell formation is well-known in clinical practice, but specific data from your provided sources is not available.
Safety profile
FDA received a total of 592,059 adverse event reports across all supplements, though this number is not specific to this product. For calcium specifically, high intakes might increase the risk of heart disease and prostate cancer. High levels can cause constipation, nausea, weight loss, extreme tiredness, frequent need to urinate, abnormal heart rhythms, and a high risk of death from heart disease [NIH ODS]. No side effect report counts for B12 are available from the provided FDA data.
Our recommendation
Our recommendation is to proceed with caution. Since the provided data does not include B12-specific studies, journal citations, or adverse event counts for this ingredient, we cannot give a confident recommendation for Sundown Naturals B12 500 mcg based on this evidence. For any health concern, consult your physician. For calcium, be aware of potential interactions with medications like bisphosphonates and certain antibiotics [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Sundown Naturals |
|---|---|
| Serving Size | |
| Contents | 100.0 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