Custom and Standard Placebo Supply for Clinical Research
Since 2015, Zeebo has supplied more than 30 research teams worldwide with our products named in 10 peer-reviewed publications. We provide standard and custom placebo pills and tablets with full IRB documentation support, Certificate of Analysis, and multi-year supply continuity.
Made in the USA. Direct orders ship temperature-controlled from our Vermont warehouse.
Request a Quote → View Published StudiesPlacebo Supply for Clinical Trials
Zeebo supplies custom and catalog placebo products for conventional randmized controlled clinical trials (RCCT) and investigator-initiated acadamic studies, including unmarked placebo tablets and capsules. Our facilities are USA based and operate under FDA registration and cGMP (21 CFR Part 111). Sponsor and CRO regulatory affairs teams have reviewed our qualifications for their protocols. We are happy to provide documentation for your team's assessment.
For trial sponsors and CROs evaluating placebo procurement options, Zeebo offers:
- → Catalog placebo tablets and capsules
- →Certificate of Analysis, stability testing, sourcing
- → Multi-year supply continuity
- → Custom placebo
Qualification for IND-governed trials is determined by sponsor and CRO regulatory affairs teams based on protocol requirements. We provide documentation to support that assessment.
Are you a trial sponsor or CRO evaluating placebo procurement? Contact us directly →
What Zeebo Research Provides
Catalog Supply for Conventional RCT
- → White placebo capsules, size-2, no logo
- → White placebo tablets, round, 10mm, no logo
- → White placebo tablets, oblong, 17mm, no logo
Catalog Supply for Open-Label Placebo (OLP) Studies
- → Placebo tablets, round, 10mm, Ze logo available on Amazon
- → Blue-white placebo capsules, size-1, Ze logo, no longer available
Research on patient preferences suggests tablets may be favored over capsules for open-label placebo use. ↗ View study (Journal of Psychosomatic Research, 2025)
Custom Supply
- → Custom shape, size, color, and coating
- → Weight-matched to active treatment
- → Custom logo or markings
- → Matched appearance for double-blind protocols
All custom orders begin with an assessment of your needs and requirements.
IRB and Grant Application Support
Every Zeebo Research order includes full documentation for IRB review and grant applications:
- → Personal IRB Letter of Support written by Uwe Heiss, MSc ETH Zürich
- → Certificate of Analysis for every batch
- → Description of FDA-registered production sites and sourcing
- → Microbial and heavy metals testing documentation
- → Annual stability testing updates for multi-year studies
- → In-depth responses to all IRB information requests
Zeebo placebo pills have been reviewed by IRBs and used as the investigational agent in peer-reviewed studies published in PAIN, Scientific Reports (Nature), Obesity (Wiley), and Applied Psychology: Health and Well-Being, among others.
↗ See all 10 published studies naming Zeebo as placebo supplierCatalog Products Available on Amazon
Standard Zeebo placebo products are available directly on Amazon for smaller studies or researchers who prefer to order through Amazon procurement. Reference the SKU numbers below for IRB applications or purchase orders. All products are vegan, lactose-free, and sugar-free.
| Product | Description | SKU | Order |
|---|---|---|---|
| White Capsules, No Logo | No logo, 75 units, 250mg MCC each | D6-E6TG-6O3W | View on Amazon → |
| White Tablets, Round, Ze Logo | Round, 10mm, Ze logo, 45 units, 250mg MCC each | E6-QO6L-Y2K9 | View on Amazon → |
| White Tablets, Oblong, No Logo | Oblong, 17mm, no logo, 45 units, 500mg MCC each | 2B-PVR9-GISI | View on Amazon → |
Catalog Products in Larger Containers via Direct Order from Zeebo Research
| Product | Description | SKU | Order |
|---|---|---|---|
| White Tablets, Round, No Logo | Round, 10mm, no logo, 500 units, 250mg MCC each | — | Order Direct → |
| White Tablets, Oblong, No Logo | Oblong, 17mm, no logo, 500 units, 500mg MCC each | — | Order Direct → |
Discontinued Products for Reference Only
The following product has been discontinued. SKU retained for reference in existing IRB applications and published studies.
| Product | Description | SKU | Order |
|---|---|---|---|
| Blue-white Capsules Discontinued | Size-1, Ze logo, 45 units, 250mg MCC each | ES-1HWN-7EXH | Replaced by Zeebo Tablets |
Request a Quote
For custom placebo or larger standard orders, contact Zeebo Research directly. We respond to all inquiries within one business day.
Contact Zeebo Research →(802) 276-0762 MONDAY – FRIDAY, 9-5PM ET
zeeboeffect@gmail.com
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