Skip to main content
FishtownFish wrapped around the rod of AsclepiusMedicine
Philadelphia Primary Care
Articles
Digital Health Literacy
Cut through health misinformation
Symptoms
What your body is telling you
Treatments
Protocols, prescriptions, therapies
Longevity
Medicine 3.0 strategies
Heart Health & Risk
Protect your heart & vessels
Metabolism
Insulin, blood sugar, weight
Hormones
TRT, thyroid, menopause, andropause
Performance
VO2 max, muscle, sleep, gut
Playbooks
Step-by-step frameworks
About
Meet Dr. Ash
Your Physician
GER·O·SPAN
Our Clinical Framework
What People Say
124 patient reviews across 6 platforms
Pricing & Membership
Transparent membership pricing
FAQ
Common Questions
Tell Dr. Ash
Fishtown Medicine•7 min read
4.96 (124)

The Radium Tonic Was Sold to Men Who Were Already Healthy

Ashvin Vijayakumar MD

Medically Reviewed

Ashvin Vijayakumar MD•Updated August 3, 2026
On This Page
  • What was in Radithor, and who sold it?
  • What happened to Eben Byers?
  • Why did this work on the people it worked on?
  • What does this have to do with longevity medicine now?
  • How do you tell an intervention from a Radithor?
  • Guidance from the Clinic
  • Actionable Steps
  • Common Questions
  • What was Radithor?
  • How did Eben Byers die?
  • Did doctors really prescribe radium water?
  • Is modern longevity medicine like this?
  • Why are products for healthy people regulated more loosely than drugs?
  • Deep Questions
  • Why is regression toward the mean such a problem in this market?
  • What made radium credible in the first place?
  • Does the harm from things like this ever show up in trials?
  • How should a longevity practice handle interventions with thin evidence?
  • ✦Key Takeaways
  • Related at Fishtown Medicine
  • Scientific References

Get a preventive doctor that knows you.

Consult Dr. Ash
TL;DR30-second take

Radithor was radium dissolved in distilled water, sold from the late 1920s as an energy and vitality tonic. More than 400,000 bottles were sold, and the maker paid physicians a rebate on every bottle they prescribed. Eben Byers, a national amateur golf champion, drank as many as 1,400 doses and died in 1932 at 51 with his jaw destroyed. What made it possible was not stupidity. It was that products sold to healthy people who want an edge face far less scrutiny than treatments for the sick, and that structure has not changed.

TL;DR: In the late 1920s you could buy small bottles of water with radium dissolved in it, sold as an energy and vitality tonic. More than 400,000 bottles sold. The man who made it was not a doctor, though he said he was, and he paid doctors a cut of every bottle they prescribed. A wealthy amateur golf champion named Eben Byers hurt his arm, was told to drink it, and drank as many as 1,400 bottles over three years. He died in 1932 at 51. His jaw had to be removed. The reason to know this story is not that people used to be gullible. It is that the product was aimed at healthy, well-off people looking for an edge, and that corner of the market gets less scrutiny than any other. It still does.

Radithor was half an ounce of distilled water with radium and mesothorium dissolved in it. The bottles sold for a dollar apiece, at a margin somewhere around 400%, and more than 400,000 of them went out the door.

It was not sold to dying people. It was sold to people who felt more or less fine and wanted to feel better than fine.

That is the detail worth sitting with, because it is the same market a longevity practice operates in, and pretending otherwise would be dishonest.

What was in Radithor, and who sold it?

The maker was a man named William Bailey, who presented himself as a doctor and was in fact a Harvard dropout with no medical degree.

His product was radioactive by design and by advertisement. Radium had been discovered a few decades earlier, it was associated with energy and modernity and the frontier of physics, and the public had not yet connected it to what it did to tissue. Radithor was marketed for fatigue, for waning vigor, for a general sense of running below capacity.

Bailey's distribution strategy is the part that should make any clinician uncomfortable. He offered physicians a rebate of roughly 17% on every bottle they prescribed.

That is not a footnote. It is the whole machine. A product with no evidence behind it acquired medical legitimacy by paying for it, one prescription at a time, and the patients on the other end had no way to see the arrangement.

What happened to Eben Byers?

Eben Byers was a steel fortune heir and a United States national amateur golf champion. In 1928 he hurt his arm. A physician recommended Radithor.

He liked it. He drank up to three bottles a day and took as many as 1,400 doses over about three years. He gave cases of it to friends and to his horses.

Radium behaves chemically like calcium, so the body files it in bone. It stayed, and it kept emitting.

His teeth fell out, his jaw had to be surgically removed, and holes opened in his skull. He died on March 31, 1932, at the age of 51. By then there was enough radium in his body that his breath was radioactive, and he was buried in a lead-lined coffin.

Bailey's response to the death of his most famous customer was to say that he had drunk more radium water than any man alive and had never suffered any ill effects. He died of bladder cancer.

Why did this work on the people it worked on?

Byers was not a desperate man out of options. He was rich, athletic, competitive, and dealing with a nagging arm. He wanted to get back to full capacity. That is a reasonable thing to want, and it is the exact psychological position that the least-regulated products in medicine are built to occupy.

Here is the asymmetry that made Radithor possible and still shapes the market.

When something is sold as a treatment for a disease, it has to run a gauntlet. Trials, comparison groups, safety review, and a regulator with the authority to say no. That system is slow and imperfect and it exists because people died to build it.

When something is sold to a person who is not sick, for vitality, energy, performance, recovery, or longevity, most of that gauntlet does not apply. The claims get phrased carefully enough to stay outside the drug rules. The evidence standard becomes the testimonial. And the customer is healthy, which means when nothing much happens, nothing much happens visibly.

Treatments for sick people get trials, while enhancements for well people get testimonials, and that gap is where Radithor lived.

What does this have to do with longevity medicine now?

Longevity Medicine

A personalized longevity strategy starts with knowing your real baselines.

Start Your Longevity Assessment

Fishtown Medicine is a longevity practice. So this next part is about our own field, and it should be.

The claim is not that modern longevity medicine is radium water. Much of what we do rests on evidence that is decades deep: blood pressure, ApoB and lipid management, cardiorespiratory fitness, strength, sleep, cancer screening at the intervals that have been shown to matter. None of that is speculative, and most of it is unglamorous.

The claim is narrower and harder. The market structure that produced Radithor is intact. The customer profile is intact. Affluent, health-engaged, capable of paying out of pocket, motivated by optimization rather than illness, and therefore able to buy things no insurer would ever be asked to evaluate. Peptides ordered from gray-market suppliers, unvalidated proprietary panels, stem cell tourism, hormone protocols at doses nobody has studied, and supplement stacks assembled off podcasts all sit in that space.

Being in this field does not exempt anyone from the pattern. It puts you closer to it.

How do you tell an intervention from a Radithor?

Four questions, and the fourth is the one that does the work.

What is the mechanism, and has the mechanism been tested in people? A plausible story about a pathway is a hypothesis. Plenty of interventions with beautiful mechanisms have failed in humans. Radium was scientifically fashionable at the time, and the fashionableness was doing the persuading.

Who profits, and how visible is that to you? Bailey's 17% physician rebate is the shape to watch for. Ask whether the person recommending something is compensated when you buy it, and expect a straight answer. The question is not rude.

Is it reversible? Radium goes into bone and stays for life. That is the far end of a spectrum that runs from a supplement you can stop tomorrow to a procedure you cannot undo. Irreversibility raises the evidence bar sharply, and the longevity market is drifting toward more irreversible interventions.

How would you know if it were not working? This one exposes more products than the other three combined. If the answer is that you would feel less energetic, that is unfalsifiable. If the answer is a number you can measure before and after, with a threshold agreed on in advance, that is a plan. Deciding what would count as failure, before starting, is the single most protective habit available to you.

Guidance from the Clinic

Dr. Ash
"I think about Eben Byers more than is probably normal for a primary care doctor. He was doing what a lot of my patients do, and what I do. He was healthy, he wanted to stay that way, he had the means, and he went looking. That instinct is a good one. It is the reason people find their way to a practice like this instead of waiting for something to break. What went wrong was that there was nobody in the room asking how he would know if it were hurting him. So that is the job I try to hold onto. Not talking people out of wanting an edge, because I want one too, but making sure that everything we try has a way of telling us it failed. If we can't define what failure looks like before we start, I don't want to start."

Actionable Steps

Before you buy the next thing.

  1. Write down what would count as failure, before you start: a number, a symptom, a time horizon. "I will check ApoB in 12 weeks and stop if it has not moved" is a plan. "I'll see how I feel" is not, because you will feel something.
  2. Ask whoever is recommending it whether they are paid when you buy: affiliate links, dispensary margins, speaking fees, equity. It does not automatically disqualify the advice, and you should know it before you weigh it.
  3. Sort your list by reversibility: things you can stop tomorrow are experiments. Anything permanent, injected, implanted, or capable of organ damage belongs in a different category with a much higher bar.
  4. Be more suspicious of things aimed at you when you are well than when you are sick: the treatment for a diagnosed disease has been through a system. The tonic for vitality has not, and that is by design rather than by accident.
  5. Bring the stack to a visit: send the list of what you are taking and what you are considering. Reviewing it together, including the parts we decide to keep, is a better use of a longer appointment than almost anything else.
✦

Key Takeaways

  1. Radithor was radium dissolved in water, sold as a vitality tonic in the late 1920s, with more than 400,000 bottles sold and a physician rebate of roughly 17% per bottle driving medical legitimacy it never earned.
  2. Eben Byers, a national amateur golf champion, drank as many as 1,400 doses after a 1928 arm injury and died in 1932 at 51 with his jaw destroyed and his breath radioactive.
  3. The product was aimed at healthy, affluent people seeking an edge, which is the least-regulated position in medicine because the rules were built around treating disease.
  4. That structure is intact today: gray-market peptides, unvalidated panels, stem cell tourism, and unstudied hormone protocols occupy the same space, while the core longevity interventions rest on decades of trial evidence.
  5. The most protective habit available is defining in advance what would count as failure, because a claim that cannot fail cannot be checked.

Related at Fishtown Medicine

  • Why Most Supplements Do Not Work - the evidence picture across the category
  • Peptides: Approved vs Gray Market - where the unregulated market sits right now
  • Supplement Quality and Contamination - what is in the bottle you bought
  • Fake Skincare and Supplement Claims - how the marketing language works
  • Philadelphia Invented the American Drugstore - where this pattern started in the United States

Scientific References

  1. Oak Ridge Associated Universities, Museum of Radiation and Radioactivity. "Radithor (ca. 1928)."
  2. History.com. "Radium: The Deadly Health Fad of the Early 1900s."
  3. TIME. "Medicine: Radium Drinks." Contemporary coverage of the Byers case, 1932.
  4. Popular Science. "The radioactive 'miracle water' that killed its believers."
  5. HistoryNet. "Radioactive Cure-alls."
Medical Disclaimer: This resource provides historical and clinical context for educational purposes and is not a substitute for professional medical advice, diagnosis, or treatment. Nothing here is a recommendation for or against any specific product. In the world of Precision Medicine, there is no "one size fits all", the right plan must be matched to your history, physiology, and goals. Talk with Dr. Ash or your own physician before starting or stopping any supplement, hormone, peptide, or treatment, particularly if you are pregnant, take prescription medications, or have a chronic health condition.
Ashvin Vijayakumar MD (Dr. Ash)

Fishtown Medicine | Longevity

2418 E York St, Philadelphia, PA 19125·(267) 360-7927·hello@fishtownmedicine.com·HSA/FSA Eligible

Start your intake

Frequently Asked Questions

Common Questions

Radithor was a patent medicine sold in the late 1920s and early 1930s consisting of about half an ounce of distilled water containing radium and mesothorium. It was marketed as an energy and vitality tonic for fatigue and declining vigor. More than 400,000 bottles were sold at roughly a dollar each. Its maker, William Bailey, claimed to be a physician and was not.
Byers, a United States national amateur golf champion, began drinking Radithor in 1928 after injuring his arm on a physician's recommendation. He consumed as many as 1,400 doses over about three years. Radium deposits in bone because it behaves chemically like calcium, and the radiation destroyed his jaw and skull. He died on March 31, 1932, at 51, and was buried in a lead-lined coffin.
Some did. Bailey offered physicians a rebate of around 17% on each bottle they prescribed, which gave the product medical legitimacy that its evidence never earned. That financial arrangement was not visible to the patients taking it, which is the part most worth carrying forward when you evaluate a recommendation today.
Parts of it carry the same risk and parts of it do not. Blood pressure control, lipid and ApoB management, cardiorespiratory fitness, strength training, sleep, and evidence-based cancer screening rest on decades of trial data. Gray-market peptides, unvalidated proprietary testing panels, stem cell tourism, and unstudied hormone protocols occupy the same loosely regulated space Radithor did. The distinction is not the field. It is whether a specific intervention has been tested in people and whether you have defined how you would know it failed.
Because the regulatory framework was built around treating disease. A product making a claim to diagnose, treat, cure, or prevent a disease falls under drug rules and must show safety and effectiveness. A product marketed for general wellness, energy, or performance can often stay outside those rules with careful wording. The result is that the interventions sold to people who are not sick face the least scrutiny, which is the opposite of intuitive.

Deep-Dive Questions

Because people buy enhancement products at their low points. Energy, mood, sleep quality, and pain all fluctuate around a personal average, and the decision to try something new tends to come during a trough. Whatever happens next is measured against that trough, and the statistical expectation is improvement regardless of the intervention. Byers started Radithor after an injury, at the point where he felt worst, and reported feeling better. Some of that was probably the radium acting as a stimulant early on, and some of it was the arm healing the way arms do.
Scientific prestige transferred where it did not belong. Radium had been isolated by the Curies around the turn of the century, it was revolutionary physics, and it was already being used with success against certain tumors. That last part mattered: radium had a legitimate therapeutic use in oncology, which made a radium tonic sound like an extension of established medicine rather than a departure from it. Borrowing credibility from an adjacent field where a thing works is one of the oldest moves in health marketing, and it is running right now in how quantum, epigenetic, and mitochondrial get used on labels.
Rarely, and that is the structural problem. Products sold outside the drug framework are not required to run trials, so there is no systematic collection of what happens to the people taking them. Harms surface through case reports, poison control data, and journalism, which means they surface late and only when the injury is dramatic enough to be traced. Byers was identified because his injuries were spectacular and he was famous. The people harmed less visibly, by less notorious products, mostly never enter the record at all.
By being explicit that the evidence is thin, by preferring reversible options, by defining a stopping rule before starting, and by declining to profit from the recommendation. That last piece is structural rather than a matter of character. When the person recommending a supplement also earns a margin on it, the incentive runs against the patient no matter how well-intentioned anyone is. Our page on why most supplements do not work covers what the evidence looks like across the category.

Ready when you are

Start your intake

The chat is our AI assistant, answering from our published guides. To talk it through with Dr. Ash himself, schedule the free 20-minute call.

Related Intelligence

Your Relationship With Yourself: The Ground of Every Health Change | Fishtown Medicine

Your Relationship With Yourself: The Ground of Every Health Change | Fishtown Medicine

The relationships that shape your health reach beyond other people. The first one is with yourself: the story you tell, whether you choose yourself, and how you talk to yourself when it is hard. Why that relationship decides whether a health change sticks, from Fishtown Medicine in Philadelphia.

Read Deep Dive
Social Health Is Healthspan: What 80+ Years of Research Says About Relationships and Longevity

Social Health Is Healthspan: What 80+ Years of Research Says About Relationships and Longevity

More than 80 years of research connects relationships and community to how long and how well you live. A Philadelphia doctor on what to do about it day to day.

Read Deep Dive
Longevity Strategies | Fishtown Medicine

Longevity Strategies | Fishtown Medicine

Strategies to extend your healthspan and optimize lifespan in Philadelphia.

Read Deep Dive

New patients

Talk it through with Dr. Ash.

Share the number or outcome you want to improve, and where you are starting from. Dr. Ash reads every intake personally.

HSA/FSA eligible
No initiation or cancellation fees
No copays
Tell Dr. Ash what’s going on →
FishtownFish wrapped around the rod of AsclepiusMedicine
Philadelphia Primary Care
2418 E York St, Philadelphia, PA 19125Primary care in PhiladelphiaHome visits in Greater PhiladelphiaPricing & MembershipGER·O·SPAN: our clinical frameworkDigital Health Literacy

Serving Fishtown · Northern Liberties · East Kensington · Olde Richmond · Port Richmond · Old City · Callowhill · Poplar · Center City · Center City West · Art Museum · Bella Vista · Chestnut Hill · Fairmount · Fitler Square · Graduate Hospital · Logan Square · Manayunk · Queen Village · Rittenhouse · Roxborough · Society Hill · Southwark · Bryn Mawr, PA · Gladwyne, PA · Villanova, PA · Wayne, PA · Cherry Hill, NJ · Haddonfield, NJ · Medford, NJ · Moorestown, NJ · Voorhees, NJ

Explore by topic

Women’s Health
  • Perimenopause
  • Menopause 3.0
  • PCOS
  • Fertility
Men’s Health
  • Testosterone (TRT)
  • Sleep Apnea & Low T
  • Andropause
  • Low Libido
Metabolic
  • Medical Weight Loss
  • Ozempic vs Metformin
  • Fasting Protocols
  • Visceral Fat
Cardiovascular
  • apoB & Heart Health
  • apoB vs LDL
  • Lp(a) Cholesterol
  • ED & Heart Risk
Longevity + Performance
  • Healthspan vs Lifespan
  • Biological Age
  • VO2 Max
  • Zone 2 Training
Supplements
  • Magnesium
  • Creatine
  • Omega-3
  • Foundational Stack
  • Supplement Guides
Care in Philadelphia +
Direct Primary Care in Philadelphia, PAConcierge Medicine in Philadelphia, PAConcierge vs DPC in Philadelphia, PALongevity Medicine in Philadelphia, PAPreventive Care in Philadelphia, PAExecutive Physical in Philadelphia, PAAnnual Physical in Philadelphia, PAHealthspan Optimization in Philadelphia, PAFunctional Medicine in Philadelphia, PASame-Day Sick Visits in Philadelphia, PATestosterone Replacement Therapy in Philadelphia, PAPerimenopause Care in Philadelphia, PAMenopause Care in Philadelphia, PAThyroid Treatment in Philadelphia, PAPCOS Care in Philadelphia, PAGLP-1 Weight Loss in Philadelphia, PAMetabolic Health in Philadelphia, PAHormone Optimization in Philadelphia, PAAdvanced Lipid Testing in Philadelphia, PAVO2 Max Testing in Philadelphia, PADEXA Scan in Philadelphia, PACGM in Philadelphia, PALong COVID Care in Philadelphia, PAChronic Fatigue Treatment in Philadelphia, PAPOTS Treatment in Philadelphia, PAMCAS Treatment in Philadelphia, PALyme Disease Care in Philadelphia, PABrain Fog Treatment in Philadelphia, PASleep Disorders Treatment in Philadelphia, PAStrep Throat Treatment in Philadelphia, PAUTI Treatment in Philadelphia, PASinus Infection Treatment in Philadelphia, PASTI Testing in Philadelphia, PATravel Medicine in Philadelphia, PAPre-Op Clearance in Philadelphia, PASports Club Medicine in Philadelphia, PA

Made it this far? You’re already most of the way there. let’s get started → Dr. Ash reads every word personally.

Content is for educational purposes only and does not constitute medical advice.

TermsPrivacyScope of PracticeClinical Independence