The U.S. paid-plasma industry runs on a simple fact: the people who need the money most are the ones who donate. That's not an accident of geography โ it's the design.
Ask who benefits from plasma and you'll get a long list: patients who need immune globulin, hospitals that treat them, and the fractionators who sell it. Ask who pays and the answer is narrower. The cost of the U.S. paid-donation model lands disproportionately on people with low incomes โ the donors whose health is spent to supply the world's plasma. Europe looked at this trade and decided it was unethical. The United States decided it was a market.
This page is about that gap: who the centers are built around, what a donation costs someone who can't afford to eat well, and why the rest of the developed world refused to build an industry this way.
The first thing to understand is where plasma centers choose to open. They are not distributed evenly across a city. They cluster in lower-income neighborhoods โ and the reason is straightforward.
It's not that the poor happen to donate. The centers are placed where the poor live. The geography isn't a side effect of the business model โ it is the business model.
The U.S. plays an outsized role here precisely because of this paid model. It collects roughly 70% of the world's plasma supply โ a share that international reporting keeps flagging, most recently in coverage of how dependent other countries have become on American donors. The countries that use the plasma are, to a large degree, not the ones whose poor people supply it.
Here's the part that rarely gets said out loud. To the industry, a donation is a donation โ a fixed volume of plasma, worth the same at the top of the chain no matter whose arm it came from. But to the donor, the cost of that donation is not fixed. It depends on what you ate.
Every donation removes 50โ80 grams of protein, on top of the immunoglobulins (IgG, which takes weeks to rebuild, with a roughly 21-day half-life) and iron stored as ferritin. Your body has to replace all of that from your diet. That's where your income shows up.
Eats enough protein, gets it back from food, recovers in days. The donation is an inconvenience, not a loss. The center's "safe" rate of up to twice a week is genuinely sustainable for them.
Buys the cheapest calories โ carbs, filler, little protein โ and runs a protein deficit. The body then cannibalizes its own muscle and immune function to replace what left. Same donation, far higher cost.
So the industry's safety claims rest on an assumption it doesn't provide for: that the donor can eat well enough to keep up. The two-per-week maximum that looks fine in a healthy, well-fed sample is not fine for a food-insecure donor who is donating precisely because they need the money. The same milliliter of plasma costs a poor donor their muscle and their immune reserve โ the "poverty premium" built into every visit. (For how that plays out in the clinic, see how centers work.)
The clearest proof that this is a choice, not an inevitability, is that the rest of the developed world refused to make it. Europe banned paid plasma donation.
The United States has to work around the obvious problem that it's doing something other countries consider a human-rights violation. It does this with language: the FDA classifies the payment as compensation, not purchase. Under 21 CFR Part 640, the rules governing source plasma treat the donor as compensated rather than as selling a product. That framing keeps the practice legal and even sounds benign โ you're not buying a body part, you're paying someone for their time and inconvenience. But the money functions exactly like a price, and it's the price that decides who donates.
The European stance is an explicit acknowledgment that this is a moral question. The United States decided it was a supply-chain question instead.
Strip the industry's language away and you're left with a transaction. On one side of the scale:
And on the other side of the scale, what the industry does with it: the same plasma becomes $1,000+ immune globulin infusions and a whole $50 billion world supply. (Follow that money in the money trail.)
Who wins? The industry wins: an irreplaceable raw material, bought at grocery money, sold at drug prices. The patient wins: a therapy that doesn't exist without donors. The donor โ especially the low-income donor โ is the one whose budget and body both absorb the cost.
That's the genuine trade. It isn't that donors are fools โ it's that the system prices a hard choice so that the people least able to say no are the ones who carry it. Europe decided the vulnerable shouldn't be put in that position. The U.S. decided to reward the people who were.
Facts above are drawn from the sources below. Figures on compensation and volume reflect published 2025โ2026 ranges; rates vary by center and region.