Is giostar legit?
Mostly. HasTrust rates giostar Mixed (60/100), checked 2026-10-24: Therapies are described by an independent stem cell biologist as unproven; No GIOSTAR listings were found on ClinicalTrials.gov, so treatments are not backed by registered trials; A 2020 proposed class action alleges misrepresentation of efficacy, facilities and affiliations.
Our own checks on giostar.com found signals both for and against it. The domain was registered 17 years ago, and it has been on the public web since 2001. Its HTTPS certificate is valid. We rate it Mixed on what we measured ourselves; the score breakdown lists every signal. Reviews and claims from other sites are shown separately and do not count.
What we measured
- ✓Domain registered 17+ years ago
- ✓On the public web since 2001 (Internet Archive)
- ✓Valid HTTPS encryption (certificate by GoDaddy.com)
Why this score?
✓ Pros
- Real physical clinics with published addresses in Ahmedabad and Bengaluru, India, and a listed Glenview, Illinois location
- Has claimed its Trustpilot profile and offers free consultations
⚠ Cons
- Therapies are described by an independent stem cell biologist as unproven
- No GIOSTAR listings were found on ClinicalTrials.gov, so treatments are not backed by registered trials
- A 2020 proposed class action alleges misrepresentation of efficacy, facilities and affiliations
- Very few reviews, and some look promotional, so real patient outcomes are hard to judge
- Treatment is described in the lawsuit as pricey, and no pricing or refund terms are visible in the sources
- Lawsuit allegations (May 2020, California) that Giostar.com claimed stem cells can treat or cure sickle cell anemia, leukemia, lymphoma and thalassemia
- Lawsuit alleges three prominent scientists listed as board members say they have no connection with the company and asked to be removed
- Lawsuit alleges the defendants suggested to patients that FDA review and approval of stem cell therapy is unnecessary
- Independent review questions the credentials of leadership and the claimed research centers
- A Trustpilot review appears to be posted by a 'GIOSTAR Stem Cells' account, which suggests self-promotion
- The Trustpilot address lists a San Diego street address with the country given as India
- BBB profile for GIOSTAR Chicago is not accredited and its latest review describes a disappointing patient interface
- Broad marketing claims for diabetes, Parkinson's, liver disease, arthritis and more
What web sources say (not checked by us)
Third-party ratings
Facts
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What you should do
- Use a payment method you can charge back (credit card or PayPal) — skip bank transfer or "friends & family".
- Place a small first order before trusting it with a big one.
- Search the shop's name plus "reviews" or "scam" for recent experiences before paying.
🔍 What we checked ourselves
Each row is a check HasTrust ran, and the day it ran.
| Check | What we found | How | When |
|---|---|---|---|
| HTTPS certificate | Valid — GoDaddy.com, expires 2026-12-04 | TLS handshake from our servers | |
| Domain registration | 2008-11 (17 years old) | RDAP registry record | |
| First seen on the web | 2001 | Internet Archive | |
| Hosting | SUCURI-SEC - Sucuri, US | IP and AS lookup | |
| Registrar | GoDaddy.com, LLC | RDAP registry record | |
| DNS | domaincontrol.com | Nameserver records | |
| Contact & legal pages | email, phone, address | Read from the site's own pages | |
| Blocklist | Not listed | HasTrust blocklist |
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Frequently asked
Is giostar legit?⌄
Mixed. HasTrust trust score: 60/100. Our own checks on giostar.com found signals both for and against it. The domain was registered 17 years ago, and it has been on the public web since 2001. Its HTTPS certificate is valid. We rate it Mixed on what we measured ourselves; the score breakdown lists every signal. Reviews and claims from other sites are shown separately and do not count.
Is giostar a scam?⌄
Our check surfaced no major scam signals — still verify payment and seller details before you pay.
What is the giostar trust score?⌄
HasTrust rates giostar 60/100 (Mixed). Unsure
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