I would not say that lack of nutrients can cause ED, but there are foods that prevent ED, and foods that contribute to ED.
Foods high in lycopene, which is found in red fruits and vegetables can help prevent ED, while foods high in fat and trans-fats can cause ED.
lack of nutrients
A lack of vital nutrients can cause or increase Fibromyalgia symptoms.
lack of nutrients in the diet may cause deficiency diseases
A lack of nutrients
Hair
Eating disorders cause of lack of nutrients and vitamins and chemicals that your body systems need to function. Without the necessary nutrients (etc), the organs begin to weaken and then shut down. The liver, pancreas, kidneys are at a great risk of this and are vital to your survival. It can also cause minor symptoms such as greasier hair faster and acid reflux or other GI problems. Also, because of the lack of nutrients, in girls their menstrual cycle usually stops and can very likely cause infertility later.
No nutrients helps hair grow faster, but lack of nutrients may cause your hair to grow slower. Generally, your hair cells need the same nutrients your normal cells need, plus more protein as hair is covered with keratin, a protein combination.
Lack of protein and nutrients.
Deficiency
Kwashiorkor is cause by a lack of proteins in the diet
Stress can lead to ED, but it's not exactly that straight forward. Prolonged stress can cause High Blood Pressure, which can then cause ED.
None, all nutrients can easily be found in foods other than meat.