Gymnema can help in blood sugar control.

Hawthorn can support the circulatory system as well as the health of the heart.

Hops aids in supporting the gastrointestinal system.

Horse chestnut treats vein problems and should not be used by individuals with kidney disease. It is a good vein-strengthening remedy.

Horseradish can be used to support skin health as a topical treatment.

Horsetail promotes bone health.

Inosine works in the nervous system to prevent neurologic injuries and support the growth of nerve cells.

Inositol has effects on the activity of insulin of production.

Iodine is naturally produced in trace amounts by the human body.