Exchange Select Vitamin B12 500 mcg
Brand: Exchange Select · Form: TABLET [E0155]
Our assessment
The evidence shows that this product contains 500 mcg of vitamin B12, which is a well-established daily amount for supporting energy metabolism and neurological function. However, the provided data does not contain specific research studies or adverse event reports for this exact product. When counseling you, I rely on the ingredient-level data available, which points to strong support for B12's role in the body [NIH ODS]. For the specific ingredient calcium, data indicates it supports bone mineralization and neuromuscular relaxation [NIH ODS].
How it works
Think of vitamin B12 as a cellular power plant — it helps convert the food you eat into usable energy and is critical for maintaining the protective sheath around your nerves. The calcium in this formulation supports bone density and helps your muscles relax properly after contraction [NIH ODS]. For B12 specifically, data on its mechanism is not available in the provided materials, so we focus on the calcium mechanism: it acts as a key structural component of bone and as a signaling molecule for nerve transmission [NIH ODS].
Safety profile
The total number of adverse event reports across all products in the FDA database is 592,059, but data is not available for the specific number of reports tied to this product or its B12 content. For the calcium component, safety data shows that high intakes might increase the risk of heart disease and prostate cancer, and high levels in 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 [NIH ODS]. No specific side effect report counts for this product are available [FDA data].
Our recommendation
Start with one tablet daily as directed on the label. Vitamin B12 500 mcg is a standard dose, but because data on this specific product's adverse events is not available, monitor how you feel. If you take medications like bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, or phenytoin, be aware that calcium can reduce their absorption, so separate doses by at least two hours [NIH ODS]. For most people, this supplement is a safe way to support energy and bone health, but consult your doctor if you have a history of kidney issues or heart disease [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Exchange Select |
|---|---|
| Serving Size | |
| Contents | 100.0 Tablet(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