From starvation to time-restricted eating: a review of fasting physiology
A material may achieve a high purity result while still containing contaminants, inconsistencies, or other quality concerns that are not identified through purity testing alone
Roma: Edizioni Internazionali
In general, essential fatty acid deficiency (i.e., deficiency of both ALA and LA) has been observed only in patients with chronic fat malabsorption, cystic fibrosis, or those on parenteral nutrition without PUFA (86, 95) (see the article on Essential Fatty Acids)
however, it has associated side effects of weight gain and adverse metabolic effects (increasing the potential risk of high cholesterol or diabetes)
Also, it's a good idea to keep your head elevated for the first few nights, especially if you're considering filler