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Welcome to The Human Engine Clinic
Chiropractic Services and Diabetes Help Center

Your Success Starts With You - and Us - Together!

The Human Engine Clinic is located in San Jose, California. Headed by Dr. Richard F. Gringeri, a chiropractor, digestive specialist and board-eligible chiropractic neurologist. The Human Engine Clinic works with people from all walks of life to help them achieve their health goals. From pain management and Type 2 diabetes care to sports injury rehabilitation or personal injury, we have the tools to get you on the right path to wellness.

We Added Some New Pages

We made some updates and also added new pages. Take a look!

Case Studies

We are documenting the success of some our patients. As we get more completed we will launch a landing page that shows all the case studies. For now, take a look at Margaret's success.


Find some of your favorite pages on the Resources page:

Educate Yourself


Success Videos

Buy Book


Media & Public Relations

Patient Forms

We now have patient forms for you to download. This makes it easier for new patients to fill out forms at their convenience before coming to their appointment.

Free Educational Seminars

Dr. Gringeri is doing in-person "Type 2 Diabetes" and "More Complete Stroke Recovery" Seminars! More information about upcoming seminar dates can be found on the Free Seminars page.



Hundreds of Type 2 diabetes patients helped.


Over 90% success rate for those completing a diabetes program.


Majority of Type 2 diabetes patients doing a program said it was easy.

This information is mind-blowing and very relevent for all people. Dr. Gringeri provides much information regarding several medical issues that are skyrocketing. The issue of Type 2 diabetes can be addressd and this is a very hopeful outcome.

M. Browning
Seminar attendee


Get Your Copy Today!

ON SALE NOW - $24.95


You can purchase two ways - Available on Amazon, or purchase through our office and also get a signed copy and bonus materials. Buy your copy today!

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