Ultimate Strength Raspberry Ketone Flush by New Health Corp.

POSSIBLY INEFFECTIVE

• Bowel preparation. Taking cascara sagrada orally with magnesium sulfate or magnesium hydroxide prior to colonoscopy does not appear to improve bowel cleansing when used alone or as an adjunct to polyethylene glycol. Details: Some clinical research shows that taking a specific combination of cascara sagrada plus magnesium sulfate (Pico-Salax) orally along with polyethylene glycol (GoLYTELY) is not more effective than polyethylene glycol alone for bowel preparation prior to colonoscopy (40086). Other clinical research shows that taking cascara sagrada plus magnesium sulfate orally, alone or in combination with polyethylene glycol (GoLYTELY), is actually less effective than polyethylene glycol alone (40087,40088). Additionally, some clinical research shows that taking a combination of cascara sagrada 5 mL plus milk of magnesia 30 mL orally does not improve bowel cleansing or examination quality when compared with no bowel preparation (40090,40093).

INSUFFICIENT RELIABLE EVIDENCE to RATE

• Constipation. It is unclear if oral cascara sagrada is beneficial in patients with constipation. Details: Cascara sagrada has a history of use for its laxative effects in patients with constipation (272). In fact, cascara sagrada was formerly approved by the US Food and Drug Administration (FDA) as a safe and effective over-the-counter (OTC) laxative; however, this designation was removed in 2002 due to a lack of supporting evidence (8229). More evidence is needed to rate cascara sagrada for this use.

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INSUFFICIENT RELIABLE EVIDENCE to RATE

• Alopecia areata. It is unclear if raspberry ketone is beneficial for alopecia areata. Details: Preliminary clinical research shows that applying a raspberry ketone 0.01% solution to the scalp once daily for 5 months increases hair growth in 50% of patients with androgenic alopecia or alopecia areata when compared with baseline (17955). The validity of this finding is limited by the lack of a comparator group.
• Androgenic alopecia. It is unclear if raspberry ketone is beneficial for androgenic alopecia. Details: Preliminary clinical research shows that applying a raspberry ketone 0.01% solution to the scalp once daily for 5 months increases hair growth in 50% of patients with androgenic alopecia or alopecia areata when compared with baseline (17955). The validity of this finding is limited by the lack of a comparator group.
• Obesity. Raspberry ketone has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: One small, uncontrolled clinical trial in healthy adults suggests that taking raspberry ketone 200 mg with vitamin C 1200 mg daily for four weeks reduces body weight and body fat mass (19065). Another clinical study in overweight adults shows that taking a specific product (Prograde Metabolism, Ultimate Wellness Systems) containing 1000 mg of a proprietary blend of raspberry ketone, capsicum extract, caffeine, garlic root, ginger root, bitter orange, L-theanine, and black pepper twice daily for 8 weeks, in conjunction with dieting, reduces body weight, fat mass, and waist and hip circumference when compared with dieting alone (40802). More evidence is needed to rate raspberry ketone for these uses.

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INSUFFICIENT RELIABLE EVIDENCE to RATE

• Aging skin. Topical red raspberry leaf has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Clinical research in females aged 30-65 years shows that applying a specific liquid (Antioxidant and Collagen Booster Serum, Max Biocare Pty Ltd.) containing red raspberry leaf cell culture extract 0.0005%, vitamin C 20%, and vitamin E 1% to the face nightly for 8 weeks, in addition to regular facial skin products, improves skin color, elasticity, radiance, smoothness, and appearance of wrinkles when compared with regular facial skin products alone (102355).
• Cardiovascular disease (CVD). Although there has been interest in using oral red raspberry leaf for CVD, there is insufficient reliable information about the clinical effects of red raspberry for this purpose.
• Congestive heart failure (CHF). Although there has been interest in using oral red raspberry leaf for CHF, there is insufficient reliable information about the clinical effects of red raspberry for this purpose.
• Diabetes. Although there has been interest in using oral red raspberry leaf for diabetes, there is insufficient reliable information about the clinical effects of red raspberry for this purpose.
• Dysmenorrhea. Although there has been interest in using oral red raspberry leaf for dysmenorrhea, there is insufficient reliable information about the clinical effects of red raspberry for this purpose.
• Hypertension. Although there has been interest in using oral red raspberry leaf for hypertension, there is insufficient reliable information about the clinical effects of red raspberry for this purpose.
• Influenza. Although there has been interest in using oral red raspberry leaf for influenza, there is insufficient reliable information about the clinical effects of red raspberry for this purpose.
• Labor pain. Some research suggests that oral red raspberry leaf does not reduce analgesic use during labor. Details: Clinical research shows that taking red raspberry leaf 2.4 grams daily, beginning at 32 weeks' gestation and continuing until delivery, does not decrease the need for analgesics in the perinatal time period when compared with placebo (9796). A systematic review of retrospective studies also supports these findings, showing no improvement in perineal outcomes in patients consuming red raspberry leaf prior to labor (108005).
• Menorrhagia. Although there has been interest in using oral red raspberry leaf for menorrhagia, there is insufficient reliable information about the clinical effects of red raspberry for this purpose.
• Obesity. It is unclear if oral red raspberry fruit is beneficial in patients with obesity. Details: Preliminary clinical research in overweight and obese adults shows that consuming frozen red raspberry fruit 280 grams daily for 8 weeks does not reduce body mass index or waist circumference when compared with control (105873).
• Osteoarthritis. It is unclear if oral red raspberry leaf extract is beneficial for knee osteoarthritis. Details: A moderate-sized clinical study in patients with knee osteoarthritis shows that taking red raspberry leaf extract 200 or 400 mg once daily for 12 weeks reduces pain at the higher dose when measured by the visual analog scale, but does not improve physical performance, physical activity, walking distance, or Western Ontario McMaster osteoarthritis index (WOMAC) global score or pain, stiffness, and function subscores when compared with placebo (112127).
• Parturition. Some research suggests that oral red raspberry leaf does not shorten the duration of labor. Details: Clinical research shows that taking red raspberry leaf 2.4 grams daily, beginning at 32 weeks' gestation and continuing until delivery, does not reduce the length of labor when compared with placebo (108005). Traditionally, doses of up to 4 grams daily have been recommended for this purpose; however, doses greater than 2.4 grams daily have not been evaluated for safety or efficacy. Further high-quality research is needed to determine the optimal dose, duration, and formulation, if any, of red raspberry leaf for this purpose.
• Pharyngitis. Although there has been interest in using topical red raspberry leaf for pharyngitis, there is insufficient reliable information about the clinical effects of red raspberry for this purpose.
• Pregnancy-induced nausea and vomiting. Although there has been interest in using oral red raspberry leaf for pregnancy-induced nausea and vomiting, there is insufficient reliable information about the clinical effects of red raspberry for this purpose.
• Respiratory tract infections. Although there has been interest in using oral red raspberry leaf for respiratory tract infections, there is insufficient reliable information about the clinical effects of red raspberry for this purpose. More evidence is needed to rate red raspberry leaf for this use.

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POSSIBLY SAFE ...when used orally and appropriately, short-term. Cascara sagrada seems to be safe when used for less than one week (272,25023,40087). Cascara sagrada was formerly approved by the US Food and Drug Administration (FDA) as a safe and effective over-the-counter (OTC) laxative, but this designation was removed in 2002 due to a lack of supporting evidence (8229).

POSSIBLY UNSAFE ...when used orally, long-term. Using cascara sagrada for more than 1-2 weeks can lead to dependence, electrolyte loss, and hypokalemia (272).

CHILDREN: POSSIBLY UNSAFE
when used orally in children. Cascara sagrada should be used cautiously in children due to the risk of electrolyte loss and hypokalemia (272).

PREGNANCY:
Insufficient reliable information available; avoid using.

LACTATION: POSSIBLY UNSAFE
when used orally. Cascara sagrada is excreted into breast milk and might cause diarrhea (272).

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LIKELY SAFE ...when used orally in food amounts. Raspberry ketone has Generally Recognized as Safe (GRAS) status for use as a food additive (102356,102358). There is insufficient reliable information available about the safety of raspberry ketone when used in medicinal amounts. However, raspberry ketone is structurally similar to synephrine, a known stimulant agent. Orally, cases of heart palpitations, tachycardia, elevated blood pressure, coronary vasospasm, sweating, feelings of shakiness, and diarrhea are reported after taking raspberry ketone (17961,112386,112400). In one case report, pulseless electrical activity arrest followed by resistant polymorphic ventricular tachycardia occurred in a patient taking raspberry ketone (112386).

PREGNANCY AND LACTATION:
There is insufficient reliable information available about the safety of raspberry ketone; avoid using.

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LIKELY SAFE ...when the fruit is used orally in amounts commonly found in foods (13622).

POSSIBLY SAFE ...when the fruit is used orally and appropriately in medicinal amounts (6481,9796). There is insufficient reliable information available about the safety of red raspberry leaf when used orally or topically.

PREGNANCY: LIKELY SAFE
when the fruit is used orally in amounts commonly found in foods (13622).

PREGNANCY: POSSIBLY SAFE
when red raspberry leaf is used orally and appropriately in medicinal amounts during late pregnancy under the supervision of a healthcare provider. Red raspberry leaf is used by nurse midwives to facilitate delivery. There is some evidence that red raspberry leaf in doses of up to 2.4 grams daily, beginning at 32 weeks' gestation and continued until delivery, can be safely used for this purpose (6481,9796). Make sure patients do not use red raspberry leaf without the guidance of a healthcare professional.

PREGNANCY: LIKELY UNSAFE
when red raspberry leaf is used orally in medicinal amounts throughout pregnancy or for self-treatment. Red raspberry leaf might have estrogenic effects (6180). These effects can adversely affect pregnancy. Tell pregnant patients not to use red raspberry leaf at any time during pregnancy without the close supervision of a healthcare provider.

LACTATION: LIKELY SAFE
when the fruit is used orally in amounts commonly found in foods (13622). There is insufficient reliable information available about the safety of red raspberry leaf; avoid using.

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CORTICOSTEROIDS Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Theoretically, cascara sagrada might increase the risk of hypokalemia when taken with corticosteroids.  Details Cascara sagrada has stimulant laxative effects, and long-term use has been associated with hypokalemia (2,4).

CYTOCHROME P450 3A4 (CYP3A4) SUBSTRATES Interaction Rating = Minor Be watchful with this combination. Severity = Insignificant •  Occurrence = Possible •  Level of Evidence = D Theoretically, cascara sagrada might decrease the effects of CYP3A4 substrates.  Details In vitro research suggests that cascara sagrada can induce CYP3A4 enzymes, albeit to a much lower degree than rifampin, a known CYP3A4 inducer (110704).

DIGOXIN (Lanoxin) Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Theoretically, cascara sagrada might cause hypokalemia, potentially increasing the risk of digoxin toxicity.  Details Cascara sagrada has stimulant laxative effects, and long-term use has been associated with hypokalemia (4,19).

DIURETIC DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Theoretically, cascara sagrada might increase the risk of hypokalemia when taken with diuretic drugs.  Details Cascara sagrada has stimulant laxative effects, and long-term use has been associated with hypokalemia (4,19).

STIMULANT LAXATIVES Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Theoretically, cascara sagrada might have additive adverse effects when taken with stimulant laxatives.  Details Cascara sagrada has stimulant laxative effects and might compound fluid and electrolyte losses when taken with stimulant laxatives (19).

WARFARIN (Coumadin) Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Theoretically, cascara sagrada might increase the risk of bleeding when taken with warfarin.  Details Cascara sagrada has stimulant laxative effects (19). In some people, cascara sagrada can cause diarrhea. Diarrhea can increase the effects of warfarin, increase international normalized ratio (INR), and increase the risk of bleeding.

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STIMULANT DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, raspberry ketone might increase the risk of adverse cardiovascular effects with stimulant drugs.  Details Structurally, raspberry ketone resembles synephrine, a known stimulant agent. Heart palpitations, elevated blood pressure, coronary vasospasm, pulseless electrical activity arrest, and resistant polymorphic ventricular tachycardia have been reported in patients taking raspberry ketone (17961,112386,112400).

WARFARIN (Coumadin) Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Theoretically, raspberry ketone might increase warfarin dose requirements.  Details In one case report, a patient taking warfarin 55 mg per week had a decrease in INR over a period of one month while taking raspberry ketone 250 mg daily. A warfarin dose increase to 70 mg per week was necessary to maintain a therapeutic INR while taking raspberry ketone (17962). The mechanism for this potential interaction is not known.

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ANTICOAGULANT/ANTIPLATELET DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Theoretically, taking red raspberry leaf with anticoagulant/antiplatelet drugs might increase the risk of bleeding.  Details In vitro research suggests that red raspberry leaf extract has antiplatelet activity and enhances the in vitro effects of the antiplatelet medication cangrelor (96300). This interaction has not been reported in humans.

INSULIN Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Red raspberry leaf might reduce glucose levels in patients being treated with insulin.  Details In one case report, a 38-year-old patient with gestational diabetes, whose blood glucose was being controlled with medical nutrition therapy and insulin, developed hypoglycemia after consuming two servings of raspberry leaf tea daily for 3 days beginning at 32 weeks' gestation. The patient required an insulin dose reduction. The hypoglycemia was considered to be probably related to use of red raspberry leaf tea (96299).

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General ...Orally, cascara sagrada seem to be well tolerated when used appropriately, short-term.
Most Common Adverse Effects:
Orally: Mild abdominal discomfort and cramps.
Serious Adverse Effects (Rare):
Orally: Hepatotoxicity. Fresh or improperly aged cascara sagrada bark can cause severe vomiting.

Endocrine ...Orally, long-term use of cascara sagrada can lead to potassium depletion (4).

Gastrointestinal ...Orally, cascara sagrada can commonly cause mild abdominal discomfort, colic, and cramps (4). In some cases, chronic use can cause pseudomelanosis coli. Pseudomelanosis coli (pigment spots in intestinal mucosa) is believed to be harmless, usually reverses with discontinuation, and is not directly associated with an increased risk of developing colorectal adenoma or carcinoma (6138).
Fresh or improperly aged cascara sagrada bark can cause severe vomiting due to the presence of free anthrone constituents (2,92307).

Genitourinary ...Orally, long-term use of cascara sagrada can lead to albuminuria and hematuria (4).

Hepatic ...There is some concern about potential liver problems with cascara sagrada. In some cases, cascara sagrada bark 750-1275 mg (containing approximately 21 mg cascaroside) daily in divided doses for three days resulted in cholestatic hepatitis, ascites, and portal hypertension. Symptoms resolved following discontinuation of cascara sagrada (6895,92306).

Musculoskeletal ...Orally, long-term use of cascara sagrada can lead to muscle weakness and finger clubbing (4).

Other ...Orally, long-term use of cascara sagrada can lead to cachexia (4).

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General ...Orally, a thorough evaluation of safety outcomes for raspberry ketone has not been conducted. Structurally, raspberry ketone resembles synephrine, a known stimulant agent.

Cardiovascular ...Structurally, raspberry ketone resembles synephrine, a known stimulant agent. Although not well studied in humans, stimulant-related side effects are possible. Orally, cases of heart palpitations, tachycardia, elevated blood pressure, coronary vasospasm are reported after taking raspberry ketone (17961,112386,112400). In one case report, pulseless electrical activity arrest followed by resistant polymorphic ventricular tachycardia occurred in a patient taking raspberry ketone. The arrhythmia resolved after numerous defibrillation shocks and placement of a temporary transvenous pacemaker with overdrive pacing (112386). In another case report, 5 episodes of ST elevation occurred over 2 days following ingestion of raspberry ketone (112400).

Neurologic/CNS ...Structurally, raspberry ketone resembles synephrine, a known stimulant agent. Although not well studied in humans, stimulant-related side effects are possible. Two case reports describe symptoms of sweating, diarrhea, and feelings of shakiness after oral use of raspberry ketone (17961,112400).

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General ...Orally, red raspberry fruit is well tolerated. There is currently a limited amount of information on the adverse effects of red raspberry leaf.
Most Common Adverse Effects:
Orally: Diarrhea, gastrointestinal upset, and epigastric pain. However, these adverse effects do not commonly occur with typical doses.

Dermatologic ...A liquid containing red raspberry leaf cell culture extract 0. 0005%, vitamin C 20%, and vitamin E 1% (Antioxidant and Collagen Booster Serum, Max Biocare Pty Ltd.) has been reported to cause mild tingling and skin tightness (102355). It is unclear if these effects are due to red raspberry leaf, the other ingredients, or the combination.

Gastrointestinal ...Orally, red raspberry may cause gastrointestinal upset, diarrhea, and epigastric pain (112127).

Pulmonary/Respiratory ...A case of occupational asthma due to the inhalation of red raspberry powder has been reported for a 35-year-old female. Symptoms included wheezing and shortness of breath (70370).

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