Buy Zeebo Placebo Tablets, Placebo Pills for Clinical Research

Zeebo Placebo Tablets and Placebo pills for research are unmarked, they do not feature the Zeebo logo.  Custom production is available. Zeebo placebo pills and placebo tablets contain Microcrystalline Cellulose, an inert fiber. A Letter of Support and Certificate of Analysis are available for clinical studies. Our research support service ensures that our placebo pills and placebo tablets are tested for microbes and heavy metals, followed by annual stability testing. We supply identical product throughout your clinical study.

We have placebo tablets available. As needed, we design and produce custom placebo on demand. Examples:

  • White Placebo Tablets, round, clear coating, 250mg each, 10mm diameter
  • Yellow Placebo Tablets, round, yellow coating, 250mg each, 10mm diameter
  • White Placebo Tablets, oblong
  • Custom design of any type

Our retail options can also be ordered from us directly for research:

  • Blue-white capsules with zeebo logo, size-1, SKU: ES-1HWN-7EXH
  • White capsules without logo, size-1, SKU: D6-E6TG-6O3W
  • White tablets with Ze logo – 10mm diameter, round, SKU: E6-QO6L-Y2K9

Zeebo pills and tablets are produced at FDA registered manufacturing sites in the USA following Good Manufacturing Practice. Request a quote now. We look forward to working with you.

Uwe Heiss

Zeebo Founder, Master of Science ETH Zürich

What is Zeebo Effect - The Honest Placebo Effect?

 All you can expect from a placebo is a placebo effect. We do not promise anything else. What is Zeebo about? Two things: Whether you get a placebo effect, or not, matters. For symptom management, the placebo effect can make up as much as 80% of the total treatment effect. You really want to make sure that get that 80% if it is available. Second, people can experience a placebo effect, even when they know they are taking a placebo - and especially when they understand what a placebo is. We at Zeebo are all about raising awareness about the placebo effect and want to support people in skillfully obtaining the maximum placebo effect possible. Every healthcare professional should strive for that. That's why we made Zeebo. We only offer placebo, but your placebo response is what matters. It is about your mindset, expectations, previous conditioning, your body's ability to help itself, the design of the placebo experience, and some other aspects that are currently explored by placebo research. It might be helpful to think about it as a mind-body integration effect.

Uwe Heiss, Founder Zeebo Effect

Peer-reviewed Clinical Research Studies Using Zeebo® Placebo Pills as Honest Placebo

We at Zeebo do not make any claims. How could we? Our products do not perform better than placebo. It is in the placebo space itself where we operate. Our comparison is honest placebo vs doing nothing. In the clinical studies linked below, Zeebo was used as an honest placebo. One group of participants received Zeebo capsules with "zeebo" printed on the capsules. They were told that Zeebo is a placebo and they understood that it contains no active ingredients. A control group did not receive a placebo. In these studies, the groups that received honest placebo did better than the control group. These studies looked at chronic back pain, test performance, and anxiety during covid. It would not make sense to say that Zeebo works. What works is your mind and body engaged in a placebo experience. A branded placebo that is safe and clean can help with creating that experience. The studies were done in groups, but not every individual in the honest placebo group responded to placebo. It is difficult to predict who will benefit from placebo, but you can increase your odds by designing your placebo experience well. You don't need to believe that placebo will work for you, but such a belief can help. In the case of the study on test performance, a group of students who expected that taking an honest placebo could help them, did actually do better on the test. Have a look yourself. The publications are linked. The exact same placebo that was used in these studies is available on this page.

Zeebo® Placebo Pills and Placebo Tablets for Research

Request a quote for placebo pills or placebo tablets for research studies and clinical trials. For large orders we can custom manufacture placebo pills and placebo tablets. The CEO of Zeebo Effect LLC, Uwe Heiss, will provide a personalized Letter of Support for your application.

What does Zeebo® offer to research teams besides placebo pills and placebo tablets?

Custom Placebos

The Zeebo® production team designs and manufactures custom placebo pills and placebo tablets for your research study. Zeebo placebo pills for research have been reviewed by IRBs and used in clinical studies since 2014.  Minimum batch sizes apply.

Grant Applications

We provide you with a Letter of Support for your IRB (Institutional Review Board), Certificate of Analysis, description of our FDA registered production sites in the USA, sourcing of materials, and customer references. We reply in depth to information requests from your IRB . 

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