UK and International  patent applications cover the VCAL technology.

Because VCAL is protected by a UK patent application (GB 0904584.0) and International Patent Application number PCT/GB10/050231, consumers who see the VCAL logo on products can be assured of the quality and efficacy of the product.

Products claiming to use chelated calcium to improve behaviour, trainability or performance and not showing the VCAL logo on packaging and advertising may not be meeting our exacting quality standards. They are also breaching our intellectual property rights.

People who believe they have seen products breaching these rights are requested to report their concerns to


Click here to continue
the step-by-step guide

Or contact us for free advice


Buy products containing VCAL

VCAL is designed and supplied by EquiFeast, a division of:

Calinnova Ltd
21-22 Spring Mill Ind Est
United Kingdom.

Tel from UK: 0845 230 1086
(local call charge from UK landlines)
Or: 01453 836974

Tel from overseas: +44 1453 836976
Fax: +44 (0)1453 834302

Vcal Home
Introduction to Vcal
What is Vcal ?
The importance of calcium to the brain
A bit of science
How Vcal helps horses
Concentration vs Calming
How Vcal makes riding safer
Calcium, pasture and soil
Some tips for using Vcal
Vcal Patents
How to find products containg Vcal
Info for manufacturers
Contact us
About us