Mr Muturi told the lawmakers to ensure they go for the tests before interacting with their constituents.
Firm comes under scrutiny following claims by a number of Kenyans that results of its Covid-19 tests are not credible.
Country recorded a high number of pneumonia cases at the start of this year.
Three more people have died from Covid-19, bringing total virus deaths in the country to 152.
Healthy eating is important for those with underlying conditions like diabetes.