Selenium Intake Calculator

Check selenium intake vs RDA — see mcg/day, % of RDA and food sources.

Selenium Intake Calculator

Check selenium intake vs RDA — see mcg/day, % of RDA and food sources.

Daily selenium (mcg)

Enter values above and click Calculate — results will appear here with the formula explained.

RDA: 55 mcg 19+; % = intake/55*100

How does this work?

RDA for selenium is 55 mcg adults. This checks intake vs RDA.

Brazil nuts, seafood, meats are high. One Brazil nut ~90 mcg.

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Disclaimer: Results are estimates for informational purposes only and do not constitute professional medical advice. Consult a qualified professional for decisions.

What is Selenium Intake?

RDA for selenium is 55 mcg adults. This checks intake vs RDA. Formula: RDA: 55 mcg 19+; % = intake/55*100

Quick Answer

Selenium Intake Calculator: Check selenium intake vs RDA — see mcg/day, % of RDA and food sources. Formula: RDA: 55 mcg 19+. Example: With 70mcg intake: RDA 55, 127% — more than enough.

What it does: Check selenium intake vs RDA — see mcg/day, % of RDA and food sources.
Formula: RDA: 55 mcg 19+; % = intake/55*100
Inputs: Daily selenium (mcg)
Example: With 70mcg intake: RDA 55, 127% — more than enough.

Calculator Inputs at a Glance

Field	What to enter
Daily selenium (mcg)	e.g. 70

All fields use the exact formulas shown below — results include step-by-step breakdowns you can verify by hand.

How to Use This Calculator

1Enter daily selenium mcg.
2Calculate to see % of RDA.
3If low, add Brazil nuts, seafood.

Formula Used

RDA: 55 mcg 19+; % = intake/55*100

RDA for selenium is 55 mcg adults. This checks intake vs RDA.

Brazil nuts, seafood, meats are high. One Brazil nut ~90 mcg.

AdSense ready — add NEXT_PUBLIC_GOOGLE_ADSENSE_PUBLISHER_ID

728×90 — AdSense

Worked Example

With 70mcg intake: RDA 55, 127% — more than enough.

AdSense ready — add NEXT_PUBLIC_GOOGLE_ADSENSE_PUBLISHER_ID

728×90 — AdSense

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Frequently Asked Questions

QWhat is RDA?

55 mcg adults.

QToo much?

UL 400 mcg. Over may cause hair loss, garlic breath.

QBrazil nuts?

One ~90 mcg, so 1-2 covers RDA.

Quick Answer

Selenium Intake Calculator: Check selenium intake vs RDA — see mcg/day, % of RDA and food sources. Formula: RDA: 55 mcg 19+. Example: With 70mcg intake: RDA 55, 127% — more than enough.

What it does: Check selenium intake vs RDA — see mcg/day, % of RDA and food sources.

Formula: RDA: 55 mcg 19+; % = intake/55*100

Inputs: Daily selenium (mcg)

Example: With 70mcg intake: RDA 55, 127% — more than enough.

Field

What to enter

Daily selenium (mcg)

e.g. 70