Open to All

Healthy Volunteers Earn
$50–$200

Every medical study needs a control group. Your healthy blood is the baseline that makes all other research possible.

✓ No Conditions Required ✓ Most Frequent Opportunities ✓ 18+ Welcome ✓ Fast Pay

Why Healthy Donors Matter

You're the unsung hero of medical research.

Without healthy blood to compare against, researchers can't identify what's different in disease samples. Control samples are essential — they're the baseline that makes every other finding meaningful.

When a cancer researcher finds elevated ctDNA in a patient's blood, they need to know what "normal" looks like. When a diabetes study measures insulin resistance, they need healthy metabolic profiles for comparison. When an autoimmune study maps cytokine levels, they need your immune baseline.

Healthy donors have the most frequent donation opportunities because control samples are needed for nearly every active study across every research institution. Lower per-donation pay, but the highest volume of available studies in the network.

What You'll Earn

Pay scales with specimen type and collection complexity.

Whole Blood $50 – $100

White Blood Cells (Buffy Coat) $100 – $150

Leukopak (High WBC Count) $150 – $200

Amounts are estimates. Final compensation is set by the study sponsor and confirmed before your appointment.

What the Donation Involves

The simplest path from sign-up to payment.

Screen

Share basic health info — age, medications, medical history. Takes about 5 minutes. No insurance needed.

Match

We match your profile to studies needing healthy controls. You choose which to join and see your pay upfront.

Donate & Earn

Visit a local collection site. Standard blood draw takes 10-15 minutes. Get paid within days.

Eligibility

The bar is straightforward.

Age 18 or older. No upper age limit for most studies.

No current diagnosis of chronic conditions. This includes diabetes, autoimmune disorders, cancer, HIV, and other ongoing conditions. If you do have a condition, check our condition-specific pages — you likely qualify for higher pay.

No active medications for chronic conditions. OTC medications (ibuprofen, allergy meds, vitamins) are generally fine. Your screening determines exact eligibility.

Some studies have specific requirements. Certain research needs donors of specific age ranges, biological sex, or ethnic backgrounds. More matching criteria means more opportunities.

Healthy Volunteer FAQs

Common questions from healthy donors.

What counts as "healthy"?

No active diagnosis of chronic disease. Some OTC medications and minor conditions are OK — your screening determines eligibility. You don't need to be in perfect health, just free of the specific conditions a study is researching. Seasonal allergies, past injuries, and minor issues typically don't disqualify you.

Can I move to condition-based donation later?

Yes. If you're diagnosed with a qualifying condition in the future, your pay tier adjusts automatically. Many donors start as healthy volunteers and later qualify for higher-paying condition-specific studies. Your profile stays active and we re-match you as your health profile changes.

How often can I donate as a healthy volunteer?

Standard whole-blood draws are available every 2 weeks. Healthy volunteers often have the most frequent donation opportunities because control samples are needed for nearly every active study. Consistent donors can build a reliable recurring income stream.

Is the pay negotiable?

Pay is set by study sponsors, not Helio. But healthy volunteers have the most frequent donation opportunities — the volume of available studies means consistent earning potential even at lower per-donation rates. Some donors earn more per month than condition-specific donors simply through frequency.

Healthy Volunteers Earn$50–$200