While herbs in capsules are also convenient, their essential components are neither as readily available as those in tinctures nor are they assimilated as easily. Shelf Life Alcohol also acts as a preservative. Dosage Proper dosage is paramount. When using a tincture, try a few drops first to see whether you are allergic to it, then increase the dosage to your needs. Ma-Huang and Valerian are the most likely to cause allergic reactions.
Most herbalists believe herbs work best when taken regularly, in small doses over a period of time.
One must be very careful about giving young children certain herbs. Check with a local herbalist or Naturopathic physician if you have any doubts. Many tinctures are concentrated herbal teas, a food product. They are not sold as medicines or remedies. Nevertheless, many people will attempt to use them as such.