FCS is an ultra-rare genetic condition. People with FCS can't eat fat as they don't have the enzyme which breaks it down, or what enzyme they have doesn't work properly.
Take the FCS 10g Challenge
It’s time for our annual FCS 10g Challenge to raise awareness of FCS. Can you take the challenge?
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Learn more about FCS and its diagnosis
Learn more about the symptoms of FCS
Learn how FCS is treated
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