Around one in seven Manx residents could be suffering from dairy intolerance.
According to research, just 4% of people who experience regular bloating, stomach upsets and rashes have been diagnosed with the condition.
Nutritionist Angela Dowden says many people mistake the symptoms with IBS, stress or menstruation.
She advises people to keep a food diary:
Manx political system forces party politics but with no cohesion, says MHK
Manx Labour Party leader believes CoMin and backbenchers end up acting as the two opposing parties
Up to further £2.5m sought for patient air transfer service
Funds would address 'additional costs' in 25/26 financial year
Tramway Terrace building 'still shifting and moving'
Infrastructure minister gives update on future of registered building
Final work by Manx sculptor to be unveiled at Tynwald National Park
Unveiling to be followed by series of talks