Strawberry Leaf Mint Flavor by TerraVita

INSUFFICIENT RELIABLE EVIDENCE to RATE

• Cardiovascular disease (CVD). Pooled analyses of clinical research show that taking freeze-dried strawberry powder or eating fresh strawberries for 3-12 weeks can reduce levels of C-reactive protein, a marker of inflammation and risk factor for CVD, by 0.47-0.63 mg/L when compared with placebo. These analyses report conflicting effects on blood pressure and lipid levels (103881,103882), with one analysis reporting small improvements that are not clinically significant (103881). It is unclear whether strawberry can prevent CVD or related outcomes.
• Diabetes. Preliminary clinical research in adults with type 2 diabetes shows that taking freeze-dried strawberry powder 50 grams daily for 6 weeks reduces glycated hemoglobin (HbA1c) by 0.47% compared to an increase of 0.15% with placebo. However, there were no changes in serum glucose, anthropometric measurements, blood lipids, or blood pressure. Also, the short duration of supplementation makes it unclear whether the change in HbA1c was due to strawberry (100113,100119).
• Hyperlipidemia. Data on the effects of strawberry on serum lipids are conflicting. Clinical research in adults with abdominal obesity and elevated serum lipids shows that taking freeze-dried strawberry powder 50 grams daily for 12 weeks reduces total and low-density lipoprotein (LDL) cholesterol when compared with either placebo or taking 25 grams of freeze-dried strawberry daily. In those taking 50 grams daily, levels of LDL cholesterol decreased by approximately 21% from baseline, compared with a 2% reduction in those taking placebo. However, strawberry did not improve levels of high-density lipoprotein (HDL) cholesterol or triglycerides (100109). Another study also reported reduced levels of total and LDL cholesterol (112318), while others report no changes in any lipid levels (112320,112321). In a meta-analysis, strawberry was associated with mean decreases of 11 mg/dL in LDL levels, and 12 mg/dL in total cholesterol, as well as increases in high-density lipoprotein (HDL) cholesterol (112323).
• Hypertension. Preliminary clinical research in postmenopausal women with pre- or stage I hypertension shows that taking freeze-dried strawberry powder 25 or 50 grams daily for 8 weeks does not reduce blood pressure when compared with placebo. However, over 50% of the included women were also taking at least one blood pressure lowering medication (100111).
• Obesity. Clinical research in adults with obesity or abdominal obesity and elevated serum lipids shows that taking freeze-dried strawberry powder 50 grams daily for 12 weeks does not reduce body weight or adiposity when compared with either placebo or freeze-dried strawberries 25 grams daily (100109,100116). Similarly, preliminary clinical research in adults with type 2 diabetes who are overweight or obese shows that taking freeze-dried strawberry powder 50 grams daily for 6 weeks does not improve weight loss when compared with placebo (100113). Evidence from mainly small, lower-quality studies is mixed as to whether taking strawberries has beneficial effects on cardiovascular risk factors when compared to control in obese individuals (100109,100116,100118).
• Osteoarthritis. Preliminary clinical research in obese adults with osteoarthritis shows that taking freeze-dried strawberry powder 50 grams daily for 12 weeks reduces some, but not all, measures of pain by up to 45%, compared to no change in those taking placebo (100116). More evidence is needed to rate strawberry for these uses.

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ANTICOAGULANT/ANTIPLATELET DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D In vitro and animal research suggests that strawberry extract can inhibit platelet aggregation due to its phenolic content (76472,76488). Theoretically, strawberry might increase the risk of bleeding when used with antiplatelet or anticoagulant drugs.  Details Some anticoagulant or antiplatelet drugs include aspirin, clopidogrel (Plavix), dalteparin (Fragmin), enoxaparin (Lovenox), heparin, ticlopidine (Ticlid), warfarin (Coumadin), and others.

P-GLYCOPROTEIN SUBSTRATES Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D In vitro research suggests that strawberry extract can inhibit p-glycoprotein efflux (76474,76476). Theoretically, strawberry might inhibit p-glycoprotein mediated drug efflux and potentially increase levels of drugs that are substrates of p-glycoprotein. Until more is known, strawberry should be used cautiously in people taking p-glycoprotein substrates.  Details Drugs that might be affected include some chemotherapeutic agents (etoposide, paclitaxel, vinblastine, vincristine, vindesine), antifungals (ketoconazole, itraconazole), protease inhibitors (amprenavir, indinavir, nelfinavir, saquinavir), H2 antagonists (cimetidine, ranitidine), some calcium channel blockers (diltiazem, verapamil), corticosteroids, erythromycin, cisapride (Propulsid), fexofenadine (Allegra), cyclosporine, loperamide (Imodium), quinidine, and others.

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General ...Orally, strawberry is well tolerated when taken in the amounts commonly found in food. When taken in medicinal amounts, strawberry seems to be generally well tolerated (100109,100113,100116,100119). Rarely, strawberry has been reported to cause nausea and allergic reactions, including oral allergy syndrome and skin reactions (100113,100119,103880).
Topically, strawberry can cause contact dermatitis (13637).

Gastrointestinal ...Orally, taking freeze-dried strawberry powder 50 grams daily has been reported to cause nausea in clinical trials (100113,100119).

Immunologic ...Orally, consuming strawberry has been reported to cause allergic reactions, including oral allergy syndrome and skin reactions, in some patients. (103880). Topically, strawberry has caused contact urticaria in one case report (13637). Overall, allergy to strawberry appears to be rare (103880).

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