Douglas Laboratories Liquid B12
Brand: Douglas Laboratories · Form: LIQUID, SUPPLEMENT FORM [E0165] On Market
Our assessment
The evidence shows that Douglas Laboratories Liquid B12 is a straightforward supplement, but the data provided does not support any specific health claims for this product. Our assessment is that you should focus on the ingredient itself, Vitamin B12, though specific B12 data is not available in the provided information. For a general reference, the mineral calcium has a well-documented role in bone mineralization and neuromuscular relaxation [NIH ODS].
How it works
Think of calcium as a structural builder and signal messenger. It supports bone density and mineral deposition, and it helps your muscles relax and your nerves transmit signals properly [NIH ODS]. Specific mechanisms for B12 are not available in the data provided.
Safety profile
Safety data for this specific product is limited. The FDA has received 592,059 total adverse event reports across all supplement categories [FDA data]. For the mineral calcium, which is included in the data for reference, high intakes may increase the risk of heart disease and prostate cancer. High blood calcium levels can cause poor muscle tone, poor kidney function, constipation, nausea, weight loss, extreme tiredness, frequent urination, abnormal heart rhythms, and a high risk of death from heart disease [NIH ODS]. Specific side effect report counts for this product are not available.
Our recommendation
Based on the data provided, we cannot make a specific recommendation for Douglas Laboratories Liquid B12 due to missing ingredient-specific information. For calcium, which is a related reference mineral, you should be aware that it can reduce the absorption of bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS]. We recommend consulting your healthcare provider to determine if this product meets your individual needs, as data on its efficacy and safety is not available.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Douglas Laboratories |
|---|---|
| Serving Size | |
| Contents | 1.0 fl. Oz. 30.0 mL |
| 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