Bio-Tech Pharmacal B12-Methyl
Brand: Bio-Tech Pharmacal · Form: CAPSULE [E0159]
Our assessment
The evidence shows that Bio-Tech Pharmacal B12-Methyl is a product you should approach with caution. While the label lists it as a source of methylcobalamin (B12), the specific data provided does not include any studies or detailed safety information for this ingredient. Our assessment is based on the calcium content that appears in the data, not on the B12 itself. For a general audience, the key takeaway is that the data on this specific product is extremely limited, and we cannot confirm its effectiveness or safety without more information.
How it works
Think of calcium as a structural and signaling mineral — it supports bone mineralization by helping deposit minerals into your skeleton, and it aids neuromuscular relaxation by allowing your muscles to relax and your nerves to send signals properly [NIH ODS]. However, for the B12 content of this product, data on its mechanism is not available.
Safety profile
FDA received a total of 592,059 adverse event reports across all supplements. For the calcium component, high levels in your blood and urine can cause poor muscle tone, poor kidney function, low phosphate levels, constipation, nausea, weight loss, extreme tiredness, frequent need to urinate, abnormal heart rhythms, and a high risk of death from heart disease [FDA data] [NIH ODS]. Some research also suggests that high calcium intakes might increase the risk of heart disease and prostate cancer [NIH ODS]. Additionally, calcium can reduce the absorption of medications such as bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS]. For the B12 component specifically, safety data is not available.
Our recommendation
We recommend you do not rely on this product as your primary source of B12. The data provided does not contain any studies, journal names, or years to support its use. If you are considering a B12 supplement, choose a product with published clinical evidence and a clear safety profile. For calcium, be mindful of your total intake from food and supplements, as excessive levels pose serious risks [NIH ODS]. Always consult your healthcare provider before starting any new supplement, especially if you take prescription medications.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Bio-Tech Pharmacal |
|---|---|
| Serving Size | |
| Contents | 100.0 Vegetable Capsule(s) |
| Market Status | Off 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