Product Label

Douglas Laboratories Methyl B12 Plus

Brand: Douglas Laboratories · Form: TABLET [E0155]

Our assessment

The evidence shows that Douglas Laboratories Methyl B12 Plus is a supplement providing a specific form of vitamin B12. However, based strictly on the data provided, the only ingredient with detailed information is Calcium, which is not a primary component of a B12-focused product. You should be aware that the data does not contain specific information on methylcobalamin or the other active ingredients in this blend, so our assessment is limited to what is available.

How it works

For the ingredient Calcium, which is listed in the data, its mechanism involves bone mineralization to support bone density and neuromuscular relaxation to support muscle and nerve signaling [NIH ODS]. Without specific data on the Methyl B12 components, we cannot detail how the intended active ingredients function in your body.

Safety profile

Data not available for the specific side effects of Methyl B12 Plus. The FDA has received a total of 592,059 adverse event reports across all supplements, but this number is not specific to this product [FDA data]. For the ingredient Calcium, side effects from high intake include constipation, nausea, weight loss, extreme tiredness, and abnormal heart rhythms [NIH ODS].

Our recommendation

Our recommendation is limited by the available data. You should consult your healthcare provider before starting this supplement, especially since the data does not confirm its specific benefits or risks. If you are seeking a B12 supplement, look for products with published clinical data on their specific formulation.

AI-assisted analysis. Data sourced from NIH DSLD.

Supplement Facts

BrandDouglas Laboratories
Serving Size
Contents90.0 Tablet(s)
Market StatusOff 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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