Swanson Selenium 100 mcg
Brand: Swanson · Form: CAPSULE [E0159]
Our assessment
The evidence shows that calcium is a critical mineral for your health, but the data on this specific product is incomplete. We cannot assess Swanson Selenium 100 mcg because the data provided only covers calcium, not selenium. For calcium, our assessment is that it supports bone density and nerve function, but you must be cautious with dosing and potential interactions [NIH ODS].
How it works
Think of calcium as a structural builder for your bones and a signal conductor for your nerves. It supports bone mineralization and helps muscles relax after contraction [NIH ODS].
Safety profile
FDA received 592,059 total adverse event reports across all supplements. For calcium specifically, high intakes may increase the risk of heart disease and prostate cancer. Side effects of high calcium levels include constipation, nausea, weight loss, extreme tiredness, frequent urination, abnormal heart rhythms, and a high risk of death from heart disease [NIH ODS] [FDA data].
Our recommendation
Data not available for Swanson Selenium 100 mcg. For calcium, you should not exceed the RDA without medical supervision. Be aware that calcium can reduce absorption of medications like bisphosphonates, tetracycline antibiotics, and levothyroxine. Take calcium separately from these medications [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Swanson |
|---|---|
| Serving Size | |
| Contents | 200.0 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