Ingredients | Amount Per Serving |
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Nitraflex Proprieceutical Blend
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7365 mg |
Vasoactive Arginase-Regulating NO Precursor Complex
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(Citrulline)
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(Arginine)
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L-Arginine Alpha-ketoglutarate
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(E)-5-(4-hydroxystyryl)benzene-1,3-diol
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4-[(E)-2-(3,5-dimethoxyphenyl)ethenyl]phenol
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Acute Energy, Focus, Intensity, Neuromodulating, Endurance Complex
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(CarnoSyn)
(3-Aminopropanoic Acid (Form: as CarnoSyn) )
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1,3,7-Trimethyl-1H-Purine-2,6(3H,7H)-Dione
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2-(Dimethylamino) ethanol
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2-acetylamino-3-(4-hydroxyphenyl)-propanoic acid
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2-Amino-4-(ethylcarbamoyl) butyric acid
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(Rauvolfia canescens L.)
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Clinically-Studied Testosterone-Enhancing Complex
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Calcium fructopyranose borate
(CFB)
(US Patent #5,962,049)
(Calcium fructopyranose borate (Alt. Name: CFB) Note: US Patent #5,962,049 )
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Citric Acid, Malic Acid, Acesulfame K, Sucralose, Natural and Artificial flavors, Silica, Blue #1, Yellow #5
This formula has been discontinued by the manufacturer and has been reformulated. The new formulation is still available under the same name.
This product contains 1,3-dimethylamylamine (DMAA), also known as methylhexanamine or geranium extract. There are serious safety concerns about DMAA. It is a stimulant that can potentially increase blood pressure and increase the risk of adverse cardiovascular events. DMAA-containing products have been linked to over 40 serious adverse event reports including adverse cardiovascular, metabolic, nervous system, and psychiatric events. Reports of death have also occurred (17660,17663,17904,17906,17907,17908,17958). In 2011, US Department of Defense (DoD) temporarily banned the sale of DMAA-containing supplements in military stores due to safety concerns. Sales of these products will be prohibited until the DoD investigates reports of potential serious adverse outcomes related to this product (17904,17909). On April 9, 2012, DMAA was also banned in New Zealand due to safety concerns (17960). Due to it's stimulant effects, DMAA was added to the World Anti-Doping Agency's prohibited substances list for 2010. It is listed using the name methylhexaneamine on the prohibited list (17600).
Supplements that contain DMAA often list rose geranium oil, geranium oil, or geranium stems on the label. Some supplement manufacturers claim that this is because rose geranium oil contains a small amount of dimethylamylamine. However, this has not been verified by laboratory analysis. Some laboratories have not been able to detect dimethylamylamine in geranium oil. There is concern that some supplement manufacturers may be artificially spiking their supplements with this synthetic drug (17661,17662). In 2011, Health Canada determined that there is no credible evidence that DMAA is derived from the geranium plant. Therefore, DMAA is considered a drug and is not allowed in dietary supplements in Canada (17959).
For more information about DMAA, see the complete scientific monograph
Below is general information about the effectiveness of the known ingredients contained in the product Nitraflex Hyperemia & Testosterone Enhancing Pwd Original Watermelon. 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 Nitraflex Hyperemia & Testosterone Enhancing Pwd Original Watermelon. 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 SAFE ...when used orally and appropriately, short-term. Oral beta-alanine, including a specific commercial product (CarnoSyn, Natural Alternatives International), has been used with apparent safety in doses up to 6.4 grams daily for 12 weeks in younger adults (14611,16025,16439,16441,18227,94357,97972,101028,101029,104144,106717), and up to 3.2 grams daily for 12 weeks in adults aged 55 years and older (16442,97955,97961,97965).
PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using in medicinal amounts.
POSSIBLY SAFE ...when used orally and appropriately. L-arginine has been used safely in clinical studies at doses of up to 24 grams daily for up to 18 months (3331,3460,3595,3596,5531,5532,5533,6028,7815,7816)(8014,8473,13709,31943,91195,91196,91963,99264,99267,110380)(110387). A tolerable upper intake level (UL) for arginine has not been established, but the observed safe level (OSL) of arginine intake established in clinical research is 20 grams (31996). ...when used intravenously and appropriately. Parenteral L-arginine is an FDA-approved prescription product (15). ...when used topically and appropriately. L-arginine appears to be safe when 5 grams is applied as a topical cream twice daily for 2 weeks or when a dentifrice is used at a dose of 1.5% w/w for up to 2 years (14913,96806). ...when inhaled, short-term. L-arginine appears to be safe when inhaled twice daily at a dose of 500 mg for up to 2 weeks (96807).
CHILDREN: POSSIBLY SAFE
when used orally in premature infants and children (8474,32286,96803,97392,110391).
...when used intravenously and appropriately (97392). Parenteral L-arginine is an FDA-approved prescription product (15). ...when used topically, short-term. A dentifrice containing L-arginine appears to be safe when used at a dose of 1.5% w/w for up to 2 years in children at least 3.7 years of age (96806). ...when inhaled, short-term. L-arginine appears to be safe when inhaled twice daily at a dose of 500 mg for up to 2 weeks in children at least 13 years of age (96807).
CHILDREN: POSSIBLY UNSAFE
when used intravenously in high doses.
Parenteral L-arginine is an FDA-approved prescription product (15). However, when higher than recommended doses are used, injection site reactions, hypersensitivity reactions, hematuria, and death have occurred in children (16817).
PREGNANCY: POSSIBLY SAFE
when used orally and appropriately, short-term.
L-arginine 12 grams daily for 2 days has been used with apparent safety in pregnancy during the third trimester (11828). L-arginine 3 grams daily has been taken safely during the second and/or third trimesters (31938,110379,110382). ...when used intravenously and appropriately, short-term. Intravenous L-arginine 20-30 grams daily has been used safely in pregnancy for up to 5 days (31847,31933,31961,31978).
LACTATION:
Insufficient reliable information available; avoid using.
POSSIBLY SAFE ...when used orally and appropriately. In clinical trials, L-citrulline has been used with apparent safety for up to 2 months at doses of 1.5-6 grams daily (94954,94956,94961,94962,100974). Doses of up to 15 grams have also been used as single doses or within a 24 hour period (16470,16473).
CHILDREN: POSSIBLY SAFE
when used orally and appropriately.
L-citrulline has been used with apparent safety in infants at a dose of 0.17 grams/kg daily (16472). It has also been used in children 6.5-10 years of age at a dose of 7.5 grams daily for 26 weeks (100976). ...when used intravenously and appropriately. An intravenous bolus dose of L-citrulline 150 mg/kg followed by 9 mg/kg/hour for 48 hours has been used safely in children under 6 years of age (16469).
PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.
POSSIBLY UNSAFE ...when used orally. There is insufficient reliable information available about the safety of rauwolscine. However, it is structurally similar to yohimbine, which has been associated with serious adverse effects including cardiac arrhythmia, agitation, myocardial infarction, seizure, and others (17465).
PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.
Below is general information about the interactions of the known ingredients contained in the product Nitraflex Hyperemia & Testosterone Enhancing Pwd Original Watermelon. 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 of L-arginine and ACE inhibitors may increase the risk for hypotension and hyperkalemia.
Details
Combining L-arginine with some antihypertensive drugs, especially ACE inhibitors, seems to have additive vasodilating and blood pressure-lowering effects (7822,20192,31854,31916). Furthermore, ACE inhibitors can increase potassium levels. Use of L-arginine has been associated with hyperkalemia in some patients (32213,32218). Theoretically, concomitant use of ACE inhibitors with L-arginine may increases the risk of hyperkalemia.
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Theoretically, concomitant use of L-arginine and ARBs may increase the risk of hypotension and hyperkalemia.
Details
L-arginine increases nitric oxide, which causes vasodilation (7822). Combining L-arginine with ARBs seems to increase L-arginine-induced vasodilation (31854). Furthermore, ARBs can increase potassium levels. Use of L-arginine has been associated with hyperkalemia in some patients (32213,32218). Theoretically, concomitant use of ARBs with L-arginine may increases the risk of hyperkalemia.
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Theoretically, concomitant use of L-arginine with anticoagulant and antiplatelet drugs might have additive effects and increase the risk of bleeding.
Details
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Theoretically, concomitant use of L-arginine might have additive effects with antidiabetes drugs.
Details
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Theoretically, concomitant use of L-arginine and antihypertensive drugs may increase the risk of hypotension.
Details
L-arginine increases nitric oxide, which causes vasodilation (7822). Clinical evidence shows that L-arginine can reduce blood pressure in some individuals with hypertension (7818,10636,31871,32201,32167,32225,31923,32232,110383,110384). Furthermore, combining L-arginine with some antihypertensive drugs seems to have additive vasodilating and blood pressure-lowering effects (7822,20192,31854,31916).
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Theoretically, concurrent use of isoproterenol and L-arginine might result in additive effects and hypotension.
Details
Preliminary clinical evidence suggests that L-arginine enhances isoproterenol-induced vasodilation in patients with essential hypertension or a family history of essential hypertension (31932).
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Theoretically concomitant use of potassium-sparing diuretics with L-arginine may increases the risk of hyperkalemia.
Details
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Theoretically, concurrent use of sildenafil and L-arginine might increase the risk for hypotension.
Details
In vivo, concurrent use of L-arginine and sildenafil has resulted in increased vasodilation (7822,8015,10636). Theoretically, concurrent use might have additive vasodilatory and hypotensive effects. However, in studies evaluating the combined use of L-arginine and sildenafil for erectile dysfunction, hypotension was not reported (105065).
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Theoretically, concomitant use of L-arginine and testosterone might have additive effects.
Details
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Theoretically, concomitant use of L-citrulline with antihypertensive drugs might have additive effects and increase the chance of hypotension.
Details
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Theoretically, concurrent use of phosphodiesterase-5 (PDE-5) inhibitors and L-citrulline might result in additive vasodilation.
Details
L-citrulline is converted to L-arginine, which can increase nitric oxide and cause vasodilation (7822,16460,16461). Theoretically, taking L-arginine with PDE-5 inhibitors might have additive vasodilatory and hypotensive effects. However, in studies evaluating the combined use of L-arginine and sildenafil for erectile dysfunction, hypotension was not reported (105065).
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Theoretically, rauwolscine may have antiplatelet effects and may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
Details
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Theoretically, rauwolscine may have additive coronary vasodilatory effects if used with calcium channel blockers.
Details
In vitro, rauwolscine inhibits calcium influx in aortic smooth muscle cells (103576).
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Theoretically, rauwolscine may inhibit the effects of clonidine.
Details
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Theoretically, rauwolscine might increase levels of drugs metabolized by CYP2D6.
Details
Rauwolscine is structurally related to yohimbine. In vitro research shows that yohimbine inhibits CYP2D6 enzyme activity (23117).
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Theoretically, taking rauwolscine with seizure threshold lowering drugs might increase the risk of adverse convulsant effects.
Details
In animal research, intraperitoneal rauwolscine lowered the seizure threshold level of the drug metrazol (103574).
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Theoretically, taking rauwolscine with stimulant drugs might increase the risk of adverse stimulant effects.
Details
Rauwolscine has demonstrated stimulant effects in animal research (103574).
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Below is general information about the adverse effects of the known ingredients contained in the product Nitraflex Hyperemia & Testosterone Enhancing Pwd Original Watermelon. 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, beta-alanine seems to be generally well tolerated.
Most Common Adverse Effects:
Orally: Flushing, paresthesia.
Gastrointestinal ...While rare, digestion problems have been reported with oral beta-alanine use (94341).
Neurologic/CNS ...Orally, beta-alanine can cause a dose-dependent feeling of pins and needles (paresthesias) along with skin flushing (16438,94333,94335,94338,94341,94342,94349,101028,101029,106711). This generally starts on the scalp within 20 minutes of the dose, spreading to most of the body, and lasting for about an hour. This was described as severe at a dose of 40 mg/kg, tolerable at a dose of 20 mg/kg, and very mild at a dose of 10 mg/kg. At the lowest dose it only occurred in 25% of subjects (16438). In some studies, beta-alanine has been given as frequently as 8 times per day so that each dose can be kept below 10 mg/kg (16438,16439). Other clinical research shows that taking beta-alanine in a tablet formulation eliminates the presence of parasthesias at a dose of 1.6 grams when compared with a solution made from powdered beta-alanine. This effect may be due to delayed absorption (97974,97975). Although paresthesias still occur with sustained-release formulations, their presence is less frequent when compared with immediate-release formulations (101029).
General
...Oral, intravenous, and topical L-arginine are generally well tolerated.
Most Common Adverse Effects:
Orally: Abdominal pain, bloating, nausea, diarrhea, headache, insomnia, flushing.
Intravenously: Excessively rapid infusion can cause flushing, headache, nausea and vomiting, numbness, and venous irritation.
Cardiovascular ...L-arginine taken orally by pregnant patients in a nutrition bar containing other antioxidants was associated with a 36% greater risk of palpitations when compared with a placebo bar (91197). It is unclear if this effect was due to L-arginine, other ingredients, or other factors.
Dermatologic ...Orally, arginine can cause flushing, rash, and hives (3460,32138,102587,104223). The skin reactions were likely of allergic etiology as oral L-arginine has been associated with eosinophilia (32138). In one case report, intravenous administration caused allergic reactions including urticaria, periorbital edema, and pruritus (11830). Excessively rapid infusion of L-arginine has caused flushing, local venous irritation, numbness. Extravasation has caused necrosis and superficial phlebitis (3330,16817).
Gastrointestinal
...Orally, L-arginine has been reported to cause nausea, diarrhea, vomiting, dyspepsia, gastrointestinal discomfort, and bloating (1363,31855,31871,31972,31978,32261,90198,91197,96811,99243)(102587,102592).
Orally, L-arginine has been reported to cause esophagitis in at least six adolescents. Symptoms, which included pain and dysphagia, occurred within 1-3 months of treatment in most cases (102588). There are at least two cases of acute pancreatitis possibly associated with oral L-arginine. In one case, a 28-year-old male developed pancreatitis after consuming a shake containing 1.2 grams of L-arginine daily as arginine alpha-ketoglutarate. The shake also contained plant extracts, caffeine, vitamins, and other amino acids. Although there is a known relationship between L-arginine and pancreatitis in animal models, it is not clear if L-arginine was directly responsible for the occurrence of pancreatitis in this case (99266).
Intravenously, excessively rapid infusion of L-arginine has been reported to cause nausea and vomiting (3330,16817).
Musculoskeletal ...Intravenous L-arginine has been associated with lower back pain and leg restlessness (32273). Orally, L-arginine has been associated with asthenia (32138).
Neurologic/CNS ...Orally, L-arginine has been associated with headache (31855,31955,32261,91197,102587,102592), insomnia, fatigue (102587,102592), and vertigo (32150,102592).
Oncologic ...In breast cancer patients, L-arginine stimulated tumor protein synthesis, which suggests stimulated tumor growth (31917).
Pulmonary/Respiratory ...When inhaled, L-arginine can cause airway inflammation and exacerbation of airway inflammation in asthma (121). However, two studies assessing oral L-arginine in patients with asthma did not detect any adverse airway effects (31849,104223).
Renal ...Intravenously, L-arginine has been associated with natriuresis, kaliuresis, chloruresis, and systemic acidosis (32225). Orally, L-arginine can cause gout (3331,3595).
Other ...Orally, L-arginine has been associated with delayed menses, night sweats, and flushing (31855).
General
...Orally, L-citrulline seems to be generally well tolerated.
Most Common Adverse Effects:
Orally: Gastrointestinal discomfort, heartburn.
Gastrointestinal ...Orally, gastrointestinal intolerance, stomach discomfort, and heartburn have been reported with L-citrulline use (94955,94963,94966).
Genitourinary ...Orally, 2 of 25 patients with pulmonary hypertension reported increased urinary frequency and edema while taking 1 gram of powdered L-citrulline in water daily (94963).
Pulmonary/Respiratory ...Orally, 2 of 25 patients with pulmonary hypertension reported cough while taking 1 gram of powdered L-citrulline in water daily (94963).
General
...Orally, no adverse effects have been reported.
However, a thorough evaluation of safety outcomes has not been conducted.
Serious Adverse Effects (Rare):
Orally: A related chemical, yohimbine, has been reported to cause serious adverse effects, such as loss of consciousness, paralysis, seizures, and vertigo.
Dermatologic ...Since rauwolscine is structurally related to yohimbine, rauwolscine might theoretically cause similar adverse effects. Yohimbine may cause rash, erythrodermic skin eruption, and exanthema (3312,3971,86878,86896).
Gastrointestinal ...Since rauwolscine is structurally related to yohimbine, rauwolscine might theoretically cause similar adverse effects. Nausea, vomiting, increased salivation, diarrhea, and gastrointestinal distress may occur with yohimbine use (3970,17465,86780,86786,86804,86827,86896).
Genitourinary ...Since rauwolscine is structurally related to yohimbine, rauwolscine might theoretically cause similar adverse effects. Orally, yohimbine may cause dartos contraction or decreased libido in some patients (86786,86882).
Immunologic ...Since rauwolscine is structurally related to yohimbine, rauwolscine might theoretically cause similar adverse effects. There is one report of a hypersensitivity reaction including fever, chills, malaise, itchy and scaly skin, progressive renal failure, and lupus-like syndrome associated with ingestion of a one-day dose of yohimbine (6169).
Neurologic/CNS ...Since rauwolscine is structurally related to yohimbine, rauwolscine might theoretically cause similar adverse effects. Orally, yohimbine has been associated with reports of tremulousness, head twitching, seizures, loss of consciousness, enhanced brain norepinephrine release, decreased energy, dizziness, vertigo, headache, feeling cold, flushing, diaphoresis, and paralysis (11,18,3312,3971,17465,86786,86801,86804,86827,86896).
Psychiatric ...Since rauwolscine is structurally related to yohimbine, rauwolscine might theoretically cause similar adverse effects. Orally, yohimbine may cause anxiety (17465) and impulsivity (86784,86810).
Pulmonary/Respiratory ...Since rauwolscine is structurally related to yohimbine, rauwolscine might theoretically cause similar adverse effects. Orally, yohimbine may cause bronchospasm, tachypnea, cough, sinusitis, and rhinorrhea (17465,86825,86850,94112).
Renal ...Since rauwolscine is structurally related to yohimbine, rauwolscine might theoretically cause similar adverse effects. A case of acute renal failure related to yohimbine-induced systemic lupus erythematosus has been reported (6169).