Complex sentence: It can be treated by dietary elimination of pristanic and phytanic acid from meats such as beef, lamb, chicken, and dairy products, however compliance to the diet is low due to dietary habits, and loss of weight.
Split into simpler sentences: It can be treated by dietary elimination of pristanic and phytanic acid through reduced intake of dairy products and meats such as beef, lamb, and chicken. However, compliance to the diet is low due to dietary habits, and loss of weight.