Just because a product is natural doesn't mean that it's harmless. Inappropriate use can lead to adverse and damaging side effects. Always consult your physician before ingestion of any herb product if you are pregnant, nursing, taking medication or have a medical condition.

Agar
should be ingested only with adequate liquid. Not for use by persons with bowel obstruction.
Alfalfa
products not recommended for use by persons taking blood thinning agents.
Aloe
should not be used if you have or develop diarrhea, loose stools or abdominal pain. If you are pregnant, nursing, taking medication or have a medical condition consult your physician before using this product.
Angelica
is not to be used during pregnancy or by persons taking blood thinning agents. Avoid prolonged exposure to sunlight.
Arnica
is for external use only. Arnica may cause allergic dermatitis with extended use or in sensitive persons.
Ashwagandha
is not to be used during pregnancy.
Barberry
is not to be used during pregnancy.
Black Cohosh
is not to be used during pregnancy or while nursing.
Black Walnut
is not recommended for long term use.
Bladderwrack
is not to be used during pregnancy or while nursing, or by persons with hyperthyroidism.
Blessed Thistle
is not to be used during pregnancy.
Blood Root
is not to be used during pregnancy.
Blue Cohosh
is not to be used during pregnancy.
Boldo
is not to be used by persons with gallstones, serious liver conditions or obstruction of the bile duct.
Borage
is not recommended for long term use. Not to be used during pregnancy or while nursing.
Butchers Broom Root
is not for use by persons taking MAO inhibitors or with high blood pressure.
Buckthorn
should not be used if you have or develop diarrhea, loose stools or abdominal pain. Consult your physician if you have frequent diarrhea. If you are pregnant, nursing, taking medication, or have a medical condition consult your physician before using this product.
Calamus
is not recommended for internal use.
Canadian Snake Root
should be used with caution. Avoid excessive or long term use. Not to be used during pregnancy
Cascara
should not be used if you have or develop diarrhea, loose stools or abdominal pain. Consult your physician if you have frequent diarrhea. If you are pregnant, nursing, taking medication, or have a medical condition consult your physician before using this product.
Catnip
is not to be used during pregnancy.
Chaparral
is not for use in large amounts by persons with pre-existing kidney disease and liver conditions, such as hepatitis and cirrhosis.
Coltsfoot
should be used with caution. Avoid excessive or long term use. Not to be used during pregnancy or while nursing.
Comfrey
is for external use only. This herb should not be used on abraded skin and should not be used on unbroken skin for prolonged periods. Not to be used during pregnancy.
Coptis
is not to be used during pregnancy.
Cornflowers
are not to be used during pregnancy.
Cramp bark
is not recommended for use by persons with ulcers.
Devils Claw
is not recommended for use by persons with ulcers.
Don Quai
is not to be used during pregnancy or by persons taking blood thinning agents.
Elecampane
is not to be used during pregnancy or while nursing.
Eucalyptus
is not to be used by persons with inflammatory diseases of the gastrointestinal and bile ducts, nor severe diseases of the liver.
Goldenrod
Persons with chronic kidney disorder should consult a health care practitioner before use.
Goldenseal
should be used with caution. Avoid excessive or long term use. Not to be used during pregnancy.
Guar
should only be ingested with adequate liquid. Not for use by persons with bowel obstruction.
Hops
are not recommended for use by persons suffering from depression.
Horehound
is not to be used during pregnancy.
Hydrangea
should be used with caution. Avoid excessive or long term use.
Juniper Berries
are not to be used for more than six weeks in succession. Persons with inflammatory kidney disease should not use this herb. Not to be used during pregnancy.
Lemon grass
is not to be used during pregnancy.
Licorice
is not for prolonged use except under the supervision of a qualified health practitioner. Prolonged use may cause hypertension, edema, headache, vertigo and potassium depletion. Not for use by persons with hypertension, hypokalemia, edema, cirrhosis of the liver and cholestatic liver disorders, and diabetes. Not to be used during pregnancy.
Lobelia
may cause nausea and vomiting if ingested. Not to be used during pregnancy.
Lycii
berries are not to be used during pregnancy.
Mace
in large quantities may cause dizziness, stomach pains, rapid pulse, nausea, anxiety, liver pain, double vision and coma.
Mandrake
should not be taken internally. Mandrake is to be used only under the supervision of an expert qualified in the appropriate use of this substance.
Mistletoe
is not for use by persons with protein hypersensitivity and chronic-progressive infections such as Tuberculosis and AIDS.
Motherwort
is not to be used during pregnancy.
Mugwort
is not to be used during pregnancy.
Myrrh
is not to be used during pregnancy.
Nutmeg
in large quantities may cause dizziness, stomach pains, rapid pulse, nausea, anxiety, liver pain, double vision and coma.
Oregon grape root
is not to be used during pregnancy.
Parsley root
is not to be used during pregnancy or by persons with inflammatory kidney disease.
Peach leaf
is not to be used during pregnancy.
Pennyroyal
is not to be used during pregnancy.
Periwinkle
is not for use by persons with low blood pressure or hypotension.
Pleurisy
is not to be used during pregnancy.
Prickly ash bark
is not to be used during pregnancy.
Psyllium
should only be ingested with adequate liquid. Not for use by persons with bowel obstruction.
Quassia
is not to be used during pregnancy.
Queen of the Meadow
should be used with caution. Not to be used during pregnancy or while nursing.
Red Clover
is not to be used during pregnancy or by persons taking blood thinning agents.
Rehmannia Root
is not for use by persons with diarrhea and indigestion.
Rhubarb Root
should not be used if you have or develop diarrhea, loose stools, or abdominal pain. Consult your physician if you have frequent diarrhea. If you are pregnant, nursing, taking medication or have a medical condition, consult your physician before using this product.
Safflower
is not to be used during pregnancy or by persons with hemorrhagic diseases or peptic ulcers. Ingestion of this herb may prolong blood coagulation time.
Sarsaparilla Root, Indian
is not recommended for use by persons taking blood thinning agents.
Sassafras Root
should be used with caution. Avoid excessive or long term use.
Senna
should not be used if you have or develop diarrhea, loose stools, or abdominal pain. Consult your physician if you have frequent diarrhea. If you are pregnant, nursing, taking medication or have a medical condition, consult your physician before using this product.
Sheep sorrel
is not recommended for use by persons with a history of kidney stones.
Shepherds purse
is not to be used during pregnancy or by persons with a history of kidney stones.
Stevia
is only for use as a dietary supplement.
Stillingia Root
is not to be used during pregnancy or while nursing.
Tansy
is not to be used during pregnancy.
Tonka beans
are only for use as an aromatic fixative in potpourris or other crafts. Not for internal use.
Uva Ursi leaf
is not to be used during pregnancy, contraindicated in kidney disorders, not for prolonged use without consulting a practitioner.
Vervain
is only to be used as a flavoring agent in alcoholic beverages. Blue Vervain is not to be used during pregnancy.
White oak bark
should not be applied to extensively damaged skin.
Wild Cherry Bark
should be used with caution. Avoid excessive or long term use.
Wormwood
should be used with caution. Avoid excessive or long term use. Not to be used during pregnancy.
Yarrow
is not to be used during pregnancy.
Yellow dock root
is not recommended for use by persons with a history of kidney stones.
Yohimbe bark
is contraindicated in existing liver and kidney diseases and in chronic inflammation of the sexual organs or prostate gland. Not recommended for excessive or long term use; may potentiate pharmaceutical MAO-inhibitors. depending on location.