Product Label

Vitamin World B-12 100 mcg

Brand: Vitamin World · Form: TABLET [E0155] On Market

Our assessment

The evidence shows that Vitamin World B-12 100 mcg provides a standard dose of vitamin B12, which is essential for nerve function and red blood cell formation. For most adults, the Recommended Dietary Allowance (RDA) for B12 is 2.4 mcg daily, so this 100 mcg supplement provides a substantial amount above that baseline [NIH ODS]. However, data on the specific efficacy of this exact product is limited, and we must rely on general B12 research.

How it works

Vitamin B12 acts as a coenzyme in two critical reactions: it helps convert homocysteine to methionine, supporting cardiovascular health, and it is necessary for the synthesis of myelin, the protective coating around your nerves [NIH ODS]. Think of B12 as a key that unlocks the energy from the food you eat, particularly in the metabolism of fatty acids and amino acids [NIH ODS].

Safety profile

Data on adverse events for this specific product is not available. Generally, B12 is considered very safe, with no established Tolerable Upper Intake Level (UL) due to its low toxicity [NIH ODS]. No specific side effect reports for this product were found in the provided FDA data. However, very high doses from injections may cause mild diarrhea or itching in rare cases.

Our recommendation

If you are a healthy adult with no absorption issues, a 100 mcg daily dose is more than sufficient to meet your needs. However, for most people, a standard multivitamin containing B12 may be adequate. If you are over 50, follow a vegan diet, or have a history of gastric surgery, this supplement can be a practical choice to prevent deficiency. Start with one tablet daily with food [NIH ODS].

AI-assisted analysis. Data sourced from NIH DSLD.

Supplement Facts

BrandVitamin World
Serving Size
Contents250.0 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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