Kali Phosphoricum (Potassium Phosphate) feeds the nerves and the cell salt is indicated for nervous conditions such as upset stomach, nervous headache, sleeplessness, grumpiness, and may also be beneficial in the treatment of shingles. Hyland"s Homeopathic Since 1903. Kali Phos. 30X. Stress or nervousness due to overwork or anxiety. Body Part: Muscles, Nerves, Skin.Function: Nerve nutrient, aids breathing, contributes to a contented disposition, sharpens mental faculties.Symptoms: Nervous headaches, lack of pep, ill humor, skin ailments, occasional sleeplessness, timidity, tantrums. • Kali Phosphoricum 30X