Sundown Naturals B12 500 mcg
Brand: Sundown Naturals · Form: TABLET [E0155] On Market
Our assessment
The evidence shows that Sundown Naturals B12 500 mcg is a straightforward supplement for supporting vitamin B12 levels. Our assessment is that this product provides a standard dose of 500 mcg of vitamin B12, which is well above the daily recommended intake for most adults. However, data on this specific product's efficacy or unique benefits is not available in the provided information. The data provided focuses on calcium, not vitamin B12, so we must rely on general principles.
How it works
Think of vitamin B12 as a key nutrient for your nervous system and red blood cell formation. While specific data for this product is not provided, vitamin B12 generally works by supporting the myelin sheath that protects your nerves and aiding in the synthesis of DNA. The 500 mcg dose is commonly used to address deficiencies, particularly in older adults or those with absorption issues. Data not available on this product's specific mechanism from the provided sources.
Safety profile
FDA has received a total of 592,059 adverse event reports across all supplements, but specific side effect data for this Sundown Naturals B12 product is not available from the provided FDA data. The data provided instead covers calcium, which shows that high levels can cause constipation, nausea, weight loss, extreme tiredness, and abnormal heart rhythms [NIH ODS]. For this B12 supplement, data not available on specific side effects or report counts. Vitamin B12 is generally considered safe even at high doses, as it is water-soluble.
Our recommendation
Our recommendation is that this product is likely safe for most adults seeking to support their vitamin B12 levels, especially if you have a diagnosed deficiency or follow a vegan or vegetarian diet. Start with one tablet daily as directed on the label. However, because data on this specific product's side effects and long-term benefits is not available, you should consult with your healthcare provider before starting, particularly if you take medications or have a medical condition. Choose a reputable brand and check the label for any additional inactive ingredients [FDA data].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Sundown Naturals |
|---|---|
| Serving Size | |
| Contents | 100.0 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