Health Guide 2026

Plasma Donation Iron Levels Guide

Complete Iron Guide
12 min read

Key Requirement

38%+

Minimum hematocrit for most plasma centers

Iron and Plasma Donation

Your iron levels (measured as hematocrit or hemoglobin) are checked at every plasma donation. Low iron is one of the most common reasons donors are deferred.

Why Iron Matters

Iron Requirements for Donation

Hematocrit Levels

GenderMinimumMaximum
Males39%54%
Females38%54%

Hemoglobin Levels

GenderMinimumMaximum
Males13.0 g/dL18.0 g/dL
Females12.5 g/dL18.0 g/dL

What These Numbers Mean

How to Boost Iron Levels

Short-Term (Days Before)

  1. Eat iron-rich foods: Red meat, spinach, beans
  2. Add vitamin C: Helps iron absorption
  3. Avoid calcium with iron: Calcium blocks absorption
  4. Cook in cast iron: Adds iron to food

Long-Term (Regular Donors)

  1. Iron supplements: Talk to doctor about daily iron
  2. Consistent diet: Maintain iron-rich eating habits
  3. Track your levels: Know your baseline
  4. Space donations: Allow full recovery between donations

Best Foods for Iron

Heme Iron (Best Absorbed)

Non-Heme Iron (Plant Sources)

Iron Absorption Tips

What If You're Rejected for Low Iron?

Same Day

Repeated Deferrals

Special Considerations

Women

Vegetarians/Vegans

Regular Donors

Calculate Your Earnings

See how much you can earn with regular donations

Use Calculator
Disclaimer

This is general information, not medical advice. Consult your doctor about iron supplementation and any concerns about your iron levels.

📚 Want the Complete Picture?

This is just one piece of the puzzle. For everything you need to know about plasma donation in 2026—earnings, centers, eligibility, and pro tips—check out our comprehensive resource:

Read the Ultimate 2026 Plasma Donation Guide →