DESC: 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 therapy of shingles. Hyland's Homeopathic Since 1903. Kali Phos. 30X. Stress or nervousness due to overwork or anxiety.. (KALI PHOS by Hylands)