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WARNING: Consuming this product can expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

What is Proposition 65?

As per Proposition 65 which is a legislation in the state of California, we are required to provide warnings to the Californians about significant exposures to chemicals that cause cancer, birth defects or other reproductive problem.

We want to ensure that Californians can make informed decisions about the product they buy and the exposure to these chemicals as per their local regulation.

Why do we feature it on our products?

Metals such as arsenic, cadmium, lead and mercury are naturally occurring chemical compounds. They can be present at various levels in the environment, e.g. soil, water and atmosphere. Metals can also occur as residues in food because of their presence in the environment, as a result of human activities such as farming, industry or car exhausts or from contamination during food processing and storage.  As part of Proposition 65 we are required to inform you about this. 

Should I be concerned?

At Science in Sport our customers are our number one priority. We are committed to providing athletes around with the world with the highest quality products on the market which are safe to consume. All of our products and raw materials are carefully manufactured in the UK according to the principles of Good Manufacturing Practice and HACCP. We also go through an extensive batch testing process which not only has made use an Informed Sport Certified, but ensure we are also compliant with all microbiological and chemical limits in accordance with European Union regulation EC 1881/2006.