Institutions that published Zeebo as their supplier of placebo

Harvard Medical School Beth Israel Deaconess Medical Center University of Alabama at Birmingham Michigan State University University of California, San Francisco University Hospital Essen, Germany Brown University School of Public Health NIHR Southampton Biomedical Research Centre, UK

...and 30+ institutional research customers worldwide since 2014

A Proven Research Supply Record

 

Zeebo placebo pills and tablets are named in 8 published peer-reviewed studies and registered international trials, drawn from a broader portfolio of 30+ institutional research customers. Published studies appear in:

PAIN · IASP Scientific Reports · Nature Obesity · Wiley American Family Physician · AAFP Applied Psychology · IAAP Frontiers in Pain Research
Zeebo Named Obesity, Wiley, 2024 — NIHR Southampton / Oxford Medical Products. ISRCTN14083641
"The placebo pills (Zeebo Effect LLC) consisted of microcrystalline cellulose (96%), and they were the same size, color and shape and similar weight."
Zeebo Named PAIN 160(12): 2891–2897, 2019

Kleine-Borgmann et al., University Hospital Essen. Open-label placebo on pain, functional disability, and spine mobility. RCT, N=127.

Zeebo Named Scientific Reports 11, 2130 (2021)

Kleine-Borgmann et al., University Hospital Essen. Open-label placebos on test performance and well-being. RCT, N=80.

Zeebo Named Scientific Reports 13, 19468 (2023)

Hartmann et al., University Hospital Essen / University of Oxford. Open-label placebo and cognitive abilities. Pre-registered RCT, N=78.

Zeebo Named Scientific Reports 8, 2784 (2018)

Hoenemeyer et al., University of Alabama at Birmingham. Open-label placebo for cancer-related fatigue. RCT, N=74. NCT02522988.

Zeebo Named Applied Psychology: Health and Well-Being, 2024

Guevarra et al., Michigan State University / UCSF. Non-deceptive placebos reduce COVID-related stress, anxiety, and depression. Remote RCT.

Zeebo Named ClinicalTrials.gov NCT05014230

Open Label Placebo to Reduce Prescription Opioid Use. Registered US clinical trial. Zeebo designated as investigational agent.

Uwe Heiss, Founder Zeebo Effect LLC

"After enrolling more than 140,000 patients in pain management research at leading US hospitals, I understand what research teams need from a placebo supplier — reliability, documentation, and a partner who responds. Zeebo Research has delivered standard and custom placebo to 30+ institutions worldwide since 2014."

Uwe Heiss, MSc ETH Zürich

Founder, Zeebo Effect LLC  ·  Huntington, Vermont, USA

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Standard and custom placebo supply for clinical trials and academic studies. FDA-registered. cGMP. IRB-reviewed since 2014.

What we provide

  • → Standard placebo capsules and tablets — no minimum order
  • → Custom placebo — any shape, color, size, coating, or logo
  • → Weight-matched placebo for double-blind protocols
  • → IRB Letter of Support — personally written by Uwe Heiss, MSc ETH Zürich
  • → Certificate of Analysis for every batch
  • → Annual stability testing updates
  • → Multi-year supply continuity guaranteed

Named in published research by

  • Obesity, Wiley, 2024 — NIHR Southampton / Oxford Medical Products. ISRCTN14083641
  • PAIN 160(12), 2019 — University Hospital Essen, Germany
  • Scientific Reports 11, 2130 (2021) — University Hospital Essen, Germany
  • Scientific Reports 8, 2784 (2018) — University of Alabama at Birmingham
  • Applied Psychology: Health & Well-Being, 2024 — Michigan State University / UCSF

We respond to all inquiries within one business day. For urgent requests note your start date in the form.

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