Each capsule contains GRP6 Matrix brand Proprietary Blend 325 mg: Ficus Benghalensis root, Pueraria thunbergiana b. root, flower, leaf, Eucommiae Cortex cortex, leaf, Dream Sequence Proprietary Blend: Calea Zacatechichi leaf, Ziziphus spinosa leaf, Appetite Control Matrix brand Proprietary Blend: Crocus sativus flower, Litchi chinensis (fruit). Other Ingredients: Gelatin, Microcrystalline Cellulose, Magnesium Stearate, FD&C Blue No. 1, Titanium Dioxide.
Brand name products often contain multiple ingredients. To read detailed information about each ingredient, click on the link for the individual ingredient shown above.
Below is general information about the effectiveness of the known ingredients contained in the product GRP5. 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
There is insufficient reliable information available about the effectiveness of lychee.
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 GRP5. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.
POSSIBLY UNSAFE ...when used orally or by inhalation. The safety of Calea zacatechichi has not been evaluated in clinical trials; however, it is illegal to use in certain jurisdictions due to hallucinogenic and hypnotic effects (23604).
PREGNANCY AND LACTATION:
Insufficient reliable evidence; avoid using.
POSSIBLY SAFE ...when used orally and appropriately. Kudzu appears to be safe for up to 4 months (10386,11386,92257). ...when used intravaginally and appropriately. Kudzu 5% to 6% gel has been used with apparent safety for up to 12 weeks (96740,105521,110702).
PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.
LIKELY SAFE ...when the ripe fruit is used orally in amounts commonly found in foods. There is insufficient reliable information available about the safety of lychee when used orally in medicinal amounts.
PREGNANCY AND LACTATION:
Insufficient reliable information is available; avoid using.
LIKELY SAFE ...when used orally in amounts commonly found in foods. Saffron has Generally Recognized as Safe (GRAS) status in the US for use as a spice or food coloring agent (4912).
POSSIBLY SAFE ...when used orally and appropriately in larger amounts, short-term. Saffron extracts have been used with apparent safety in clinical trials at doses of up to 100 mg daily for up to 26 weeks (11024,13103,16555,17214,17401,18102,93395,93397,93400,93403)(93407,97359,99436,100135,100138,100140,100658,100659). The saffron constituent crocin has been used with apparent safety at a dose of up to 30 mg daily for up to 3 months (93410,100139,105616).
POSSIBLY UNSAFE ...when used orally in high doses or for longer than 26 weeks. Taking 5 grams or more of saffron can cause severe side effects. Doses of 12-20 grams can be lethal (12,18). There is insufficient reliable information available about the safety of saffron when used topically.
PREGNANCY: LIKELY UNSAFE
when used orally in amounts exceeding those commonly found in foods.
Larger amounts of saffron have uterine stimulant and abortifacient effects (18); avoid using.
LACTATION:
Insufficient reliable information available; avoid using.
LIKELY SAFE ...when zizyphus fruit is consumed in the amounts typically found in foods.
POSSIBLY SAFE ...when zizyphus fruit or seed is used orally and appropriately, short-term. Zizyphus fruit powder has been used with apparent safety at doses up to 30 grams daily for up to 12 weeks (93317,104507). Zizyphus fruit extract has been used with apparent safety at a dose of 20-40 drops daily for up to 12 weeks (93316). Zizyphus seed extract has been used with apparent safety at a dose of 2 grams daily for 4 weeks (107921). There is insufficient reliable information available about the safety of zizyphus when used topically.
PREGNANCY AND LACTATION: LIKELY SAFE
when zizyphus fruit is consumed in the amounts typically found in foods.
There is insufficient reliable information available about the safety of zizyphus fruit in amounts greater than those found in foods; avoid using.
Below is general information about the interactions of the known ingredients contained in the product GRP5. 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, taking Calea zacatechichi with antidiabetes drugs might increase the risk of hypoglycemia.
Details
Animal research shows that Calea zacatechichi lowers blood glucose levels (23603). Theoretically, combining Calea zacatechichi with antidiabetes drugs might result in additive effects.
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Theoretically, Calea zacatechichi might increase the sedative effects of CNS depressants.
Details
Calea zacatechichi can cause CNS depression in animals and humans (23602).
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Theoretically, kudzu may increase the risk of bleeding if used with antiplatelet or anticoagulant drugs.
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Theoretically, taking kudzu with antidiabetes drugs might increase the risk of hypoglycemia.
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Theoretically, taking kudzu with caffeine might increase levels of caffeine.
Details
In healthy males injected with the kudzu constituent puerarin, caffeine clearance and metabolism is inhibited (23583). This effect has been attributed to inhibition of cytochrome P450 1A2 (CYP1A2) enzyme, which is involved in caffeine metabolism. It is unclear if taking kudzu orally would have this same effect.
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Theoretically, kudzu might alter the effects of estrogen therapy.
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Theoretically, concomitant use might have additive hepatotoxic effects.
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Theoretically, taking kudzu with methotrexate might increase the risk of methotrexate toxicity.
Details
Preclinical research suggests that kudzu extract greatly reduces the elimination and increases the toxicity of methotrexate. Kudzu might inhibit organic anion transporters (OATs) that are responsible for hepatobiliary and renal excretion of anions, similar to the interaction between methotrexate and non-steroidal anti-inflammatory drugs (NSAIDs) (13296).
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Theoretically, kudzu might interfere with tamoxifen activity.
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Theoretically, lychee seed might increase the risk of hypoglycemia when used with antidiabetes drugs.
Details
Animal research suggests that an aqueous extract of lychee seed reduces fasting and 2-hour postprandial blood glucose and improves impaired glucose tolerance in rats with type 2 diabetes (26960). Additionally, retrospective research in children has found an association between lychee consumption and increased odds of acute hypoglycemic encephalopathy (96612).
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Theoretically, lychee might reduce the effectiveness of immunosuppressant drugs.
Details
In vitro, flavonoids extracted from lychee show immunostimulant effects (26961). So far, this effect has not been reported in humans.
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Theoretically, concomitant use of saffron with antidiabetes drugs might increase the risk of hypoglycemia.
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Theoretically, concomitant use of saffron with antihypertensive drugs might have additive effects.
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Theoretically, saffron might inhibit the metabolism of caffeine.
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A small clinical study suggests that taking saffron powder 300 mg in 150 mL water daily for 5 days and then taking caffeine 200 mg seems to reduce caffeine metabolite levels in the saliva and urine in males, but not females. Theoretically, this may be due to the inhibition of cytochrome P450 1A2 by saffron (100130).
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Theoretically, concomitant use of saffron and CNS depressants might have additive sedative effects.
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Theoretically, zizyphus might increase the risk of hypoglycemia when taken with antidiabetes drugs.
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Theoretically, zizyphus might cause additive sedative effects when taken with CNS depressants.
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Theoretically, zizyphus might decrease the levels and clinical effects of drugs metabolized by CYP1A2.
Details
Animal research shows that zizyphus induces CYP1A2 enzymes (93311). However, this effect has not been reported in humans.
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Below is general information about the adverse effects of the known ingredients contained in the product GRP5. 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 ...There is currently a limited amount of information on the adverse effects of Calea zacatechichi. Observations in healthy volunteers indicate that it is bitter tasting and may cause vomiting and somnolence.
Gastrointestinal ...Observations in healthy volunteers indicate that Calea zacatechichi is bitter tasting and can cause nausea, vomiting, and retching (23602).
Neurologic/CNS ...In healthy volunteers, a methanol extract of Calea zacatechichi produces somnolence with short periods of light sleep and decreases in deep slow-wave sleep and rapid eye movement (REM) sleep (23602).
General
...Orally and intravaginally, kudzu seems to be well tolerated.
Serious Adverse Effects (Rare):
Orally: Elevated liver transaminases.
Cardiovascular ...Orally, side effects of kudzu reported in clinical trials have included palpitations and chest discomfort; however, these effects did not occur more frequently than with placebo (57924,57927).
Dermatologic ...Orally, a side effect of kudzu reported in one clinical trial has included urticaria; however, this effect did not occur more frequently than with placebo (57924). There is one case report of allergic reaction following use of a combination herbal product (Kakkonto) containing kudzu involving a maculopapular eruption starting on the thighs and spreading over the entire body (13111,57886).
Gastrointestinal ...Orally, some side effects of kudzu reported in clinical trials have included nausea, dyspepsia, and bloating; however, these effects did not occur more frequently than with placebo (57927,57942).
Genitourinary ...Intravaginally, irritation of the vulva has been reported with kudzu gel. These cases were generally mild and transient (110702).
Hematologic ...Intravenously, the kudzu derivative, puerarin, has caused intravascular hemolysis (13298,15025,57947).
Hepatic ...Orally, there are several cases reports of liver injury following use of kudzu involving elevated aspartate aminotransferase (AST) and alanine aminotransferase (ALT) levels (88777,92260).
Neurologic/CNS ...Orally, a side effect of kudzu reported in one clinical trial has included dizziness; however, this effect did not occur more frequently than with placebo (57924).
Other ...Orally, a side effect of kudzu reported in one clinical trial has included mastodynia; however, this effect did not occur more frequently than with placebo (57942).
General
...There is limited reliable information available about the adverse effects of lychee.
Serious Adverse Effects (Rare):
Orally and topically: Allergic reactions.
Immunologic
...Orally, lychee can cause allergic reactions such as urticaria, dermatitis, tongue and lip swelling, shortness of breath, and anaphylaxis (26955,26956,26957,96614).
Topically, contact with lychee fruit can cause allergic contact dermatitis (96614).
Neurologic/CNS ...Orally, lychee has been linked to hypoglycemic encephalopathy. A 20-year retrospective review of cases from India, Vietnam, and Bangladesh found an association between lychee consumption and increased risk of acute hypoglycemic encephalopathy in children, especially in those who were malnourished. They presented with seizures and other neurological symptoms and had a high mortality rate (96609,96610,96612,96613). The association has been questioned, but is supported by the presence in the children's urine of hypoglycin A (MCPA) and methylenecyclopropylglycine (MCPG), constituents of unripe lychee fruit, which can cause hypoglycemic encephalopathy in animal models (96609,96610,96611,96613,96615).
General
...Orally, saffron extract seems to be generally well tolerated.
Most Common Adverse Effects:
Orally: Gastrointestinal complaints, nausea, sedation, vomiting.
Serious Adverse Effects (Rare):
Orally: Anaphylaxis.
Dermatologic ...Orally, sweating and flushing have been reported in clinical research for patients taking saffron 30-60 mg daily (93402,93409). Saffron poisoning can occur with oral intake of doses of 5 grams or more and symptoms include yellow appearance of the skin (2,11).
Gastrointestinal ...Orally, saffron has been associated with changes in appetite, nausea, and vomiting when given at doses of 30 mg twice daily for 26 weeks, or when the saffron constituent crocin was given as 15 mg twice daily for 12 weeks (18102,105616). At lower doses of 30 mg daily, the occurrence rate of these and other adverse events such as dry mouth, dyspepsia, diarrhea, and constipation was rare or similar to placebo (13103,93395,93402,93409). Saffron poisoning can occur with oral intake of doses of 5 grams or more and symptoms include yellow appearance of the mucous membranes (mimicking icterus), vomiting, and bloody diarrhea (2,11).
Genitourinary
...One report of excessive uterine bleeding occurred in a clinical trial.
The patient was taking the saffron constituent crocin 15 mg twice daily. It is unclear whether this event was related to treatment with the saffron constituent (93410).
Saffron poisoning can occur with oral intake of doses of 5 grams or more; symptoms include bleeding from the uterus (2,11).
Hematologic
...Orally, saffron extract has been reported to cause decreases in platelet, white blood cell, and red blood cell counts after 7 days to 12 weeks of use with doses of 60-200 mg daily.
Many of these decreases were only significant when compared to baseline but did not maintain significance when compared to placebo. These reductions were not considered clinically significant (18102,72473,93403,93409).
Saffron poisoning can occur with oral intake of doses of 5 grams or more; symptoms include bloody diarrhea, hematuria, bleeding from the nose, lips, eyelids or uterus, and thrombocytopenic purpura (2,11).
Immunologic ...Allergy to oral saffron has been reported in clinical trials (93404). Anaphylactic reactions can occur within minutes of eating food prepared with saffron (4107,72555). Occupational exposure to saffron has been associated with the development of rhinoconjunctivitis and allergy-induced asthma (4106).
Neurologic/CNS ...Orally, saffron has been reported to cause drowsiness, headache, agitation, and sedation when given at doses of 30 mg twice daily for up to 26 weeks or when crocin is given as 15 mg twice daily for 12 weeks (18102,105616). At doses of 30 mg daily for 6 weeks, the side effect occurrence rate was similar to placebo (13103). Saffron poisoning can occur with oral intake of doses of 5 grams or more; symptoms include vertigo and numbness (2,11).
Ocular/Otic ...Orally, saffron poisoning with oral intake of doses of 5 grams or more can cause ocular symptoms such as yellow appearance of the sclera (2,11).
Psychiatric ...Orally, saffron has been reported to cause anxiety and hypomania when given at doses of 30 mg twice daily for 26 weeks (18102). At doses of 30 mg daily for 6 weeks, the occurrence rate was similar to placebo (13103,93395). One report of agitation occurred in a clinical trial. The patient was taking the saffron constituent crocin 15 mg twice daily. It is unclear whether this event was related to treatment with the saffron constituent (93410).
Renal ...Orally, the saffron constituent crocin given as 15 mg twice daily for 12 week was associated with one case of urinary incontinence (105616). Saffron poisoning can occur with oral intake of doses of 5 grams or more; symptoms include hematuria and uremic collapse (2,11).
General ...Orally, zizyphus fruit extract and powder seem to be well tolerated.
Gastrointestinal ...Orally, zizyphus fruit extract was associated with three cases of mild diarrhea in newborn infants (93306). Zizyphus seed extract was associated with one case of dry mouth and one case of increased bowel movements in a small clinical study (107921).
Neurologic/CNS ...Orally, zizyphus seed extract was associated with two cases of headache in a small clinical study (107921).