Product Label

Douglas Laboratories B12 500 mcg

Brand: Douglas Laboratories · Form: TABLET [E0155] On Market

Our assessment

The evidence shows that this product, Douglas Laboratories B12 500 mcg, is a straightforward vitamin B12 supplement. Our assessment is that it can be a useful tool for maintaining healthy B12 levels, but its benefits are highly dependent on your individual needs, such as age, diet, and absorption capacity. Data on the specific ingredient in this product is limited in the provided data, so we must rely on general principles of vitamin B12 supplementation.

How it works

Vitamin B12 is a crucial nutrient that your body uses for red blood cell formation, neurological function, and DNA synthesis. It works by helping to maintain the health of your nerve cells and is required for the production of energy from fats and proteins. While the exact mechanism for this specific product is not detailed in the provided data, the general function of B12 is well-established.

Safety profile

Data not available for specific adverse event reports for this product. However, the FDA has received a total of 592,059 adverse event reports across all dietary supplements. Vitamin B12 is generally considered safe, even at high doses, as it is a water-soluble vitamin. The provided data does not include specific side effects or report counts for this ingredient, so a detailed safety profile cannot be constructed from the information given.

Our recommendation

Unless you have a diagnosed deficiency, a restrictive diet (such as veganism), or a condition that impairs absorption, a 500 mcg supplement may be more than you need. Most adults can meet their B12 needs through diet alone. If you are considering this supplement, it is best to discuss it with your healthcare provider first. Data not available to support a specific dosage or usage recommendation for this product from the provided information.

AI-assisted analysis. Data sourced from NIH DSLD.

Supplement Facts

BrandDouglas Laboratories
Serving Size
Contents100.0 Tablet(s)
Market StatusOn 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

Original Label

View Full DSLD Label (PDF)

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