Self-treatment with natural products for more serious conditions is of greater concern because of the increased potential for interactions with prescription drugs as well as the replacement or delay of proven therapies. Table 1 lists some natural products and their common indications. This form is generally the cheapest. They are prepared by steeping fresh or dried herbs in boiled water for about 10 minutes. Infusions are stronger teas made by steeping for at least 20 minutes.
Decoctions are stronger than infusions.
They are made by boiling then simmering the plant material in water for 20-30 minutes and then strained. Tinctures are made by extracting bulk herbs with a mix of water and alcohol or glycerin and can be taken straight or added to beverages such as fruit juices. Capsules and tablets are popular because of their convenience. Most any form of the herb can be used to produce a highly concentrated extract. Regulation From a regulatory perspective, natural products are dietary supplements and have the legal status of asparagus.