Ingredients | Amount Per Serving |
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Proprietary Blend
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1000 mg |
(Chamomile )
(aerial parts)
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(flower)
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(root)
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(root)
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Vegetarian Capsule (Form: Hypromellose), Microcrystalline Cellulose, Rice Flour, Magnesium Stearate
Below is general information about the effectiveness of the known ingredients contained in the product STR Concentrate. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.
INSUFFICIENT RELIABLE EVIDENCE to RATE
INSUFFICIENT RELIABLE EVIDENCE to RATE
INSUFFICIENT RELIABLE EVIDENCE to RATE
INSUFFICIENT RELIABLE EVIDENCE to RATE
Below is general information about the safety of the known ingredients contained in the product STR Concentrate. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.
LIKELY SAFE ...when used orally in amounts commonly found in foods. German chamomile has Generally Recognized as Safe (GRAS) status in the US (4912,110318).
POSSIBLY SAFE ...when used orally, for medicinal purposes, short-term. German chamomile has been used with apparent safety at doses of up to 1500 mg daily for up to 26 weeks (6655,12724,12729,13089,19377,19716,104806,111380). ...when applied topically. A lotion containing 0.2% microencapsulated German chamomile extract has been applied to the skin with apparent safety for up to 35 days (108993). ...when used topically as an oral rinse (99853).
CHILDREN: POSSIBLY SAFE
when used orally and appropriately, short-term.
Preliminary clinical research suggests that several multi-ingredient products containing German chamomile are safe in infants when used for up to 4 weeks (16735,19705,19715,96278). ...when used topically and appropriately, short-term. Six drops of oil infused with German chamomile flower has been applied nightly with apparent safety for up to 6 weeks in children 6-18 years old (98621).
PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.
LIKELY SAFE ...when consumed in amounts commonly found in foods. Hops extract and hops oil have Generally Recognized as Safe (GRAS) status in the US (4912).
POSSIBLY SAFE ...when hops extract and hops-derived bitter acids are used orally and appropriately for medicinal purposes, short-term. Hops extract has been used with apparent safety in doses of up to 300 mg daily for 2-3 months. Hops-derived bitter acids have been used with apparent safety at a dose of 35 mg daily for 3 months (12,55338,55370,102899,105953,107813).
PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.
There is insufficient reliable information available about the safety of skullcap.
PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.
Below is general information about the interactions of the known ingredients contained in the product STR Concentrate. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.
Theoretically, concomitant use with drugs with sedative properties may cause additive effects and side effects.
Details
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Theoretically, catnip might reduce excretion and increase levels of lithium.
Details
Catnip is thought to have diuretic properties which might reduce lithium excretion. The dose of lithium might need to be decreased.
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Theoretically, German chamomile might have additive effects when used with CNS depressants.
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Theoretically, large amounts of German chamomile might reduce the effectiveness of oral contraceptives.
Details
In vitro, German chamomile has demonstrated antiestrogenic activity (12728). Theoretically, concomitant use of large amounts of German chamomile might interfere with contraceptive drugs through competition for estrogen receptors.
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Theoretically, German chamomile might inhibit CYP1A2 and increase levels of drugs metabolized by these enzymes.
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Theoretically, German chamomile might inhibit CYP2C9 and increase levels of drugs metabolized by these enzymes.
Details
In vitro evidence shows that German chamomile might inhibit CYP2C9 (19720). So far, this interaction has not been reported in humans. However, there might be an increase in the levels of drugs metabolized by CYP2C9 in patients taking German chamomile.
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Theoretically, German chamomile might inhibit CYP2D6 and increase levels of drugs metabolized by these enzymes.
Details
In vitro evidence shows that German chamomile might inhibit CYP2D6 (19720). So far, this interaction has not been reported in humans. However, there might be an increase in the levels of drugs metabolized by CYP2D6 in patients taking German chamomile.
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Theoretically, German chamomile might inhibit CYP3A4 and increase levels of drugs metabolized by these enzymes.
Details
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Theoretically, large amounts of German chamomile might reduce the effectiveness of estrogens.
Details
In vitro, German chamomile has demonstrated antiestrogenic activity (12728). Theoretically, large amounts of German chamomile might interfere with hormone replacement therapy through competition for estrogen receptors.
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Theoretically, large amounts of German chamomile might interfere with the activity of tamoxifen.
Details
In vitro, German chamomile has demonstrated antiestrogenic activity (12728).
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German chamomile might increase the effects of warfarin and increase the risk of bleeding.
Details
In one case, a 70-year-old female taking warfarin developed retroperitoneal hematoma and bilateral recti muscle bleeding along with an INR of 7.9 following ingestion of German chamomile tea 4-5 cups daily and use of a topical chamomile-based lotion applied 4-5 times daily (14309).
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Theoretically, concomitant use of hops with sedative drugs might cause additive sedation.
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Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Details
In vitro research suggests that flavonoid constituents of hops inhibit CYP1A2 enzyme activity (10686). However, a pharmacokinetic study in healthy postmenopausal patients shows that taking a standardized extract of spent hops containing prenylated phenols, as 59.5 mg twice daily for 2 weeks, does not affect levels of caffeine, a CYP1A2 probe substrate (105954).
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Theoretically, hops extract might alter metabolism of CYP3A4 substrates; however, this effect may not be clinically significant.
Details
Animal research suggests that specific constituents of hops, called lupulones, can induce hepatic CYP3A4 enzyme activity (55325). However, a pharmacokinetic study in healthy postmenopausal patients with normal metabolism shows that taking a standardized extract of spent hops containing prenylated phenols, as 59.5 mg twice daily for 2 weeks, decreases the concentration of alprazolam, a CYP3A4 probe substrate, by 7.6%. This reduction is unlikely to be clinically relevant (105954).
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Theoretically, concomitant use of large amounts of hops might interfere with hormone replacement therapy due to competition for estrogen receptors.
Details
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Theoretically, skullcap can have additive effects when used with other CNS depressants.
Details
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Below is general information about the adverse effects of the known ingredients contained in the product STR Concentrate. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.
General
...Orally, catnip is generally well-tolerated when used in appropriate amounts.
Most Common Adverse Effects:
Orally: Headache, malaise, vomiting.
Gastrointestinal ...Orally, large amounts of catnip might cause stomachache and vomiting (6,2596).
Neurologic/CNS ...Orally, taking too much catnip may result in headache and malaise (6). In one case, a toddler developed a stomachache and irritability, followed by lethargy and a hypnotic state, after ingesting raisins soaked in catnip tea and chewing on the tea bag (5,2596).
General
...Orally and topically, German chamomile is well tolerated.
Most Common Adverse Effects:
Orally and topically: Allergic reactions and irritation.
Dermatologic ...Topically, German chamomile may cause allergic dermatitis and eczema (9766,9768,10377,110318).
Gastrointestinal ...When used topically as an oral rinse, German chamomile has been reported to cause nausea and burning in the mouth in some patients (99853).
Immunologic ...Orally, German chamomile tea can cause allergic reactions including severe hypersensitivity reactions and anaphylaxis in some patients (567). In one case report, a 47-year-old female who tolerated drinking chamomile tea, reported sneezing, nasal and ocular itching, red and watery eyes, and severe rhinorrhea after 10 years of occupational exposure to German chamomile dust (90542).
Ocular/Otic ...If used near the eyes, German chamomile can cause irritation (10377).
General
...Orally, hops extract and oil are generally well tolerated when used in food amounts.
Hops extract also seems to be well tolerated when used in supplemental amounts.
Most Common Adverse Effects:
Orally: Drowsiness, sedation.
Dermatologic ...Topically, allergic reactions have been reported after contact with the fresh hops plant and plant dust. Contact dermatitis is attributed to the pollen (4,12,105930).
Genitourinary ...Orally, supplements containing hops and soy have been associated with 4 cases of postmenopausal bleeding (55404). It is unclear if this effect is due to hops, soy, or the combination. Also, menstrual disturbances have been reported in female workers harvesting hops (10684,55405).
Neurologic/CNS ...Orally, hops might cause drowsiness and sedation. Historically, hops are thought to have sedative effects, since workers harvesting hops were observed to tire easily after oral contact with hop resin. The European Medicines Agency states that hops may have sedative effects; however, there is a lack of clinical research confirming that hops extract causes drowsiness and sedation (105930).
Pulmonary/Respiratory ...Occupational exposure to dust from hops, usually in combination with dust from other products, is associated with chronic respiratory symptoms such as dry cough, dyspnea, chronic bronchitis, and other occupational respiratory diseases (55333,55414).
General
...There is currently a limited amount of information available on the adverse effects of skullcap.
Most Common Adverse Effects:
Orally: Cognitive impairment, digestive disturbances, sedation.
Gastrointestinal ...Orally, mild digestive disturbances were reported in around 9% of patients taking skullcap 350 mg three times daily for 2 weeks (91690).
Hepatic ...There are four reports of hepatotoxicity associated with products thought to contain skullcap. However, it is uncertain whether the products actually contained skullcap. It is thought that the products might have been contaminated with an adulterant such as germander (515), which is known to cause liver damage.
Neurologic/CNS ...A single skullcap extract dose of 100 mg does not seem to have adverse CNS effects. However, a higher dose of 200 mg might cause sedation and cognitive impairment (12216). One patient taking skullcap 350 mg three times daily for 2 weeks reported vivid dreams (91690). It is unclear if this event was associated with skullcap.