Professional Formulas Renal drops is a homeopathic formula offering sarcode support for the kidneys. For the temporary relief of minor nausea or vomiting, mild abdominal pain, changes in appetite, fatigue, disturbed sleep, or muscle cramps. Recommended Use: Place drops under tongue 30 minutes before/after meals. Adults and children 12 years and over: Take 10 drops up to 3 times per day. Consult a physician for use in children under 12 years of age.