Each 1 scoop (30 grams) serving contains: Whey Protein concentrate 28.4 grams • Whey Fat 1 gram • Lactose 0.5 grams • Stevia 0.1 grams.
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Below is general information about the effectiveness of the known ingredients contained in the product PureWhey Natural. 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
Below is general information about the safety of the known ingredients contained in the product PureWhey Natural. 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 certain stevia constituents, including stevioside and rebaudiosides A, D, and M, are used orally as sweeteners in foods. These constituents have generally recognized as safe (GRAS) status in the US for this purpose (16699,16700,16702,16705,16706,108049). The stevia constituent stevioside has been safely used in doses of up to 1500 mg daily for 2 years (11809,11810,11811). There is insufficient reliable information available about the safety of whole stevia or stevia extracts when used orally. The European Food Safety Authority (EFSA) has determined that the acceptable intake of steviol glycosides is 4 mg/kg daily (106456); however, it is unclear how this relates to the use of whole stevia or stevia extract.
PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.
LIKELY SAFE ...when used orally and appropriately. Whey protein up to 30 grams has been safely used in clinical trials for up to 6 months (4930,16728,16729,105587).
CHILDREN: LIKELY SAFE
when used orally and appropriately as a dietary protein in food or infant formula.
Hydrolyzed whey protein-based formula has been safely used in infants for up to 6 months in clinical trials (4927,105585,105594).
PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.
Below is general information about the interactions of the known ingredients contained in the product PureWhey Natural. 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, stevia might increase the risk for hypoglycemia when combined with antidiabetes drugs.
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Preliminary clinical research in patients with type 2 diabetes suggests that taking a single dose of stevia extract 1000 mg reduces postprandial blood glucose levels when taken with a meal (11812). However, other clinical research in patients with type 1 or type 2 diabetes suggests that taking stevioside 250 mg three times daily does not significantly affect blood glucose levels or glycated hemoglobin (HbA1C) after three months of treatment (16705).
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Theoretically, combining stevia or stevia constituents with antihypertensive agents might increase the risk of hypotension.
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Theoretically, stevia might decrease clearance and increase levels of lithium.
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Theoretically, whey protein might reduce the absorption of bisphosphonates.
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Theoretically, whey protein might decrease levodopa absorption.
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Theoretically, whey protein might decrease quinolone absorption.
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Theoretically, whey protein might decrease tetracycline absorption.
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Below is general information about the adverse effects of the known ingredients contained in the product PureWhey Natural. 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, stevia and steviol glycosides appear to be well tolerated.
Most minor adverse effects seem to resolve after the first week of use.
Most Common Adverse Effects:
Abdominal bloating, dizziness, headache, myalgia, nausea, and numbness.
Serious Adverse Effects (Rare):
Allergic reactions.
Gastrointestinal ...Orally, stevia and steviol glycosides such as stevioside, can cause gastrointestinal adverse effects such as abdominal fullness and nausea. However, these generally resolve after the first week of use (11809,11810).
Immunologic ...Theoretically, stevia might cause allergic reactions in individuals sensitive to plants in the Asteraceae/Compositae family (11811). Members of this family include ragweed, chrysanthemums, marigolds, daisies, and many other herbs.
Musculoskeletal ...Orally, stevia and steviol glycosides may cause myalgia, but this generally resolves after the first week of use (11809,11810).
Neurologic/CNS ...Orally, stevia and steviol glycosides may cause headache, dizziness, and numbness (11809,11810).
General
...Orally, whey protein is generally well tolerated.
Most Common Adverse Effects:
Orally: Acne, bloating, cramps, diarrhea, fatigue, headache, nausea, reflux, reduced appetite, and thirst. Most adverse effects are dose-related.
Cardiovascular ...In one case report, use of an unclear quantity of whey protein over one month was thought to be probably responsible for the development of coronary embolism in three coronary arteries in a 33-year-old male with no history of atherosclerosis risk factors. The patient required treatment with intravenous glycoprotein IIb/IIIa inhibitor and heparin (96023).
Dermatologic ...Orally, whey protein has been reported to trigger the onset or worsening of acne. Multiple case reports in teenagers and young adults have associated intake of whey protein with the development of acne or the worsening of existing acneiform lesions. In these reports, the discontinuation of whey protein was typically associated with the clearance of acne lesions. In some cases, patients who were unresponsive to acne treatments while using whey protein became responsive after whey protein discontinuation (103965,103970,103971). Cow's milk, which is comprised of 20% whey protein, is also thought to exacerbate acne. It is theorized that this effect may be due to the growth factor and alpha-lactalbumin content of whey protein (103971,103982).
Gastrointestinal ...Orally, whey protein, especially in higher doses of 2. 3-6.5 grams/kg daily, may cause increased bowel movements, nausea, thirst, bloating, esophageal reflux, cramps, and reduced appetite (2640,85961,85702,86043,86074,86075,86084,86089,86095).
Hepatic ...In two case reports, acute cholestatic liver injury occurred after consumption of the combination of whey protein and creatine supplements (46701,90319).
Musculoskeletal ...In one case report, a 26-year-old male experienced fasciitis, or swelling of the forearms, hands, and legs, after consuming the supplement Pure Whey (85895).
Neurologic/CNS ...Orally, high doses of whey protein may cause tiredness or fatigue and headache (2640). Mild drowsiness has also been reported (86089,86092,86124).