Datblygwyd y Llwybr mewn partneriaeth â gweithwyr proffesiynol gan gynnwys deietegwyr, maethegwyr, seicolegwyr a meddygon sy'n gweithio ar draws y maes rheoli pwysau gan ddefnyddio'r dystiolaeth ryngwladol orau sydd ar gael.
It has been developed in partnership with professionals including dietitians, nutritionists, psychologists and doctors working in this field across weight management drawing on the best available international evidence.