Exchange Select X Folic Acid 400 mcg
Brand: Exchange Select X · Form: TABLET [E0155]
Our assessment
The evidence shows that taking a folic acid supplement like this one is a well-supported practice, particularly for women of childbearing age. Our assessment is that this product provides the standard 400 mcg dose, which aligns with the Daily Value for most adults. However, the data provided does not include specific information on folic acid itself, so we must rely on general supplement safety principles.
How it works
Think of folic acid as a key building block for your body. It is a B vitamin that helps your body make new cells, which is critical during periods of rapid growth like pregnancy. The data provided does not include a specific mechanism of action for folic acid, but it is well established as essential for DNA synthesis and red blood cell formation.
Safety profile
Data not available for folic acid specifically. However, the FDA database reports a total of 592,059 adverse event reports across all supplements. For the ingredient calcium, which is listed in the data, side effects include constipation, nausea, weight loss, extreme tiredness, frequent need to urinate, and abnormal heart rhythms at very high levels [FDA data] [NIH ODS].
Our recommendation
We recommend taking this product as directed, typically one tablet daily with food. Because calcium can reduce absorption of certain medications like tetracycline antibiotics, levothyroxine, and phenytoin, you should take this supplement at least two hours apart from those drugs [NIH ODS]. Always consult your healthcare provider before starting any new supplement, especially if you are pregnant, nursing, or taking prescription medication.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Exchange Select X |
|---|---|
| Serving Size | |
| Contents | 250.0 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